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The Serial Peripheral Interface is essentially a shift register that serially transmits data bits to other SPI devices.
During a data transfer, one SPI system acts as the “host”' which controls the data flow, while the other devices act
as “clients'' which have data shifted into and out by the host. Different CPUs can take turn being hosts (multiple host
protocol, contrary to single host protocol where one CPU is always the host while all of the others are always clients).
One host can simultaneously shift data into multiple clients. However, only one client can drive its output to write data
back to the host at any given time.

A client device is selected when the host asserts its NSS signal. If multiple client devices exist, the host generates a
separate client select signal for each client (NPCS).

The SPI system consists of two data lines and two control lines:

• Host Out Client In (MOSI)—This data line supplies the output data from the host shifted into the input(s) of the

client(s).

• Host In Client Out (MISO)—This data line supplies the output data from a client to the input of the host. There

may be no more than one client transmitting data during any particular transfer.

• Serial Clock (SPCK)—This control line is driven by the host and regulates the flow of the data bits. The host can

transmit data at a variety of baud rates; there is one SPCK pulse for each bit that is transmitted.

• Client Select (NSS)—This control line allows clients to be turned on and off by hardware.

Table 4-5. SPI Interface Configurations

Interface Instance

IO set

Pin #

PIO

Pin Name

Comments

SPI0

1

21

PA14

SPI0_SPCK

SPI0

1

22

PA15

SPI0_MOSI

SPI0

1

23

PA16

SPI0_MISO

SPI0

1

24

PA17

SPI0_NPCS0

SPI0

2

76

PA30

SPI0_NPCS0

SPI0

2

75

PA31

SPI0_MISO

SPI0

2

81

PB00

SPI0_MOSI

SPI0

2

80

PB01

SPI0_SPCK

SPI0

1

18

PC01

SPI1_SPCK

SPI1

1

17

PC02

SPI1_MOSI

SPI1

1

16

PC03

SPI1_MISO

SPI1

1

19

PC04

SPI1_NPCS0

SPI1

1

20

PC05

SPI1_NPCS1

SPI1

1

176

PC06

SPI1_NPCS2

SPI1

1

177

PC07

SPI1_NPCS3

SPI1

3

132

PD25

SPI1_SPCK

SPI1

3

127

PD26

SPI1_MOSI

SPI1

3

123

PD27

SPI1_MISO

SPI1

3

124

PD28

SPI1_NPCS0

SPI1

3

131

PD29

SPI1_NPCS1

SPI1

3

130

PD30

SPI1_NPCS2

 SAMA5D27 Wireless SOM1

Functional Description

©

 2021 Microchip Technology Inc.

and its subsidiaries

 Complete Datasheet

DS60001590D-page 41

Содержание ATSAMA5D27-WLSOM1

Страница 1: ...Wi Fi BT Wireless module The ATSAMA5D27 WLSOM1 is built on a common set of proven Microchip components to reduce time to market by simplifying hardware design and software development The ATSAMA5D27 W...

Страница 2: ...y for Prototyping 94 I Os Up to 7 Tamper Pins One USB Device one USB Host and one HSIC Interface Shutdown and Reset Control Pins Independent Power Supplies Available for Camera Sensor for SD Card and...

Страница 3: ...48 5 3 DC Characteristics 48 5 4 Power Consumption 49 5 5 Radio Performance 51 6 Mechanical Characteristics 52 6 1 Module Outline Drawings 52 6 2 Module Land Pattern Host Board PCB Footprint 54 6 3 Ot...

Страница 4: ...roduct Change Notification Service 69 Customer Support 69 Product Identification System 70 Microchip Devices Code Protection Feature 70 Legal Notice 70 Trademarks 71 Quality Management System 71 World...

Страница 5: ...oducts en SST26VF064BEUI MCP16502 https www microchip com wwwproducts en MCP16502 MIC841 2 https www microchip com wwwproducts en MIC842 DSC60XXB www microchip com wwwproducts en DSC6000B DSC61XXB www...

Страница 6: ...ce TWI Interface Camera Interface 64 channel Touch Up to 6 ADC Inputs SMC 8 bit Interface 5 UART Interfaces 4 FLEXCOM Interfaces 18 bit LCD Interface SSC Interface Mono PDMIC Interface I S Interface J...

Страница 7: ...E 160 GND 159 VDDANA 158 GND 157 HSIC_STROBE 156 HSIC_DATA 155 GND 154 USBB_P 153 USBB_N 152 USBA_P 151 USBA_N 150 VDDSDHC 149 GND 148 PIOBU6 147 PIOBU4 146 PIOBU1 145 CLK_AUDIO 144 GND 143 VDDBU 142...

Страница 8: ...QSPI0_CS O 1 F D1 I O 2 W12 VDDSDHC GPIO_EMMC PA2 I O A SDMMC0_DAT0 I O 1 PIO I PU ST B QSPI0_IO0 I O 1 F D2 I O 2 V11 VDDSDHC GPIO_EMMC PA3 I O A SDMMC0_DAT1 I O 1 PIO I PU ST B QSPI0_IO1 I O 1 F D3...

Страница 9: ...Note 2 B QSPI1_IO3 I O 1 D TIOB4 I O 1 E FLEXCOM2_IO4 O 1 F A21 NANDALE O 2 L18 VDD_3V3 GPIO PA11 I O A SDMMC0_VDDSEL O 1 PIO I PU ST B QSPI1_CS O 1 D TCLK4 I 1 F A22 NANDCLE O 2 T16 VDD_3V3 GPIO PA12...

Страница 10: ...AC 3 Limited feature compared to SAMA5D2 due to the use of a part of the functionality for other features in the WLSOM1 for example GMAC ISC FLEXCOM etc 3 2 2 PIOB Pin Description Table 3 2 PIOB Pin D...

Страница 11: ...I PU ST Note 2 Note 3 C PWMFI1 I 1 D QSPI1_IO2 I O 2 G6 VDD_3V3 GPIO_IO PB10 I O A TIOB3 I O 1 PIO I PU ST Note 2 Note 3 C PWMEXTRG1 I 1 D QSPI1_IO3 I O 2 B5 VDD_3V3 GPIO PB11 I O C URXD3 I 3 PIO I PU...

Страница 12: ...C ISC FLEXCOM etc 3 2 3 PIOC Pin Description Table 3 3 PIOC Pin Description Pad No Power Rail I O Type Primary Alternate PIO Peripheral Reset State Signal Dir PU PD HiZ ST Note Signal Dir Signal Dir F...

Страница 13: ...ST Note 2 C ISI_D0 I 1 D TIOA4 I O 2 K5 VDDISC GPIO PC10 I O A LCDDAT2 O 2 PIO I PU ST Note 2 C ISI_D1 I 1 D TIOB4 I O 2 E CANTX0 O 2 C2 VDDISC GPIO PC11 I O A LCDDAT3 O 2 PIO I PU ST Note 2 C ISI_D2...

Страница 14: ...O I PU ST Note 2 C ISI_D9 I 1 E FLEXCOM3_IO2 I O 2 F A7 O 2 D1 VDDISC GPIO PC19 I O A LCDDAT13 O 2 PIO I PU ST Note 2 C ISI_D10 I 1 E FLEXCOM3_IO1 I O 2 F A8 O 2 L8 VDDISC GPIO PC20 I O A LCDDAT14 O 2...

Страница 15: ...Note 2 B FLEXCOM4_IO0 I O 1 C PCK2 O 1 F A17 O 2 C6 VDD_3V3 GPIO PC29 I O A LCDDISP O 2 PIO I PU ST B FLEXCOM4_IO1 I O 1 F A18 O 2 D7 VDD_3V3 GPIO PC30 I O A LCDVSYNC O 2 PIO I PU ST B FLEXCOM4_IO2 I...

Страница 16: ...O 2 M3 VDDANA GPIO_AD PD3 I O PTC_ROW0 A UTXD1 O 1 PIO I PU ST B FIQ I 2 D GCRS I 2 E ISI_D11 I 2 F NWAIT I 2 L6 VDDANA GPIO_AD PD4 I O PTC_ROW1 B URXD2 I 1 PIO I PU ST Note 2 D GCOL I 2 E ISI_D10 I...

Страница 17: ...PCK2 O 2 D GRXDV I 2 E ISI_D4 I 2 M7 VDDANA GPIO_AD PD12 I O PTC_COL1 A TIOB1 I O 3 PIO I PU ST Note 3 B FLEXCOM4_IO0 I O 2 D GRXER I 2 E ISI_D5 I 2 N2 VDDANA GPIO_AD PD13 I O PTC_COL2 A TCLK1 I 3 PIO...

Страница 18: ...CS0 I O 3 PIO I PU ST B TDI I 3 C FLEXCOM2_IO2 I O 2 R2 VDDANA GPIO_AD PD29 I O AD10 A SPI1_NPCS1 O 3 PIO I PU ST Note 2 B TDO O 3 C FLEXCOM2_IO3 O 2 D TIOA3 I O 3 N10 VDDANA GPIO_AD PD30 I O AD11 A S...

Страница 19: ...age Threshold Detection Input 101 NCS_QSPI VDD_3V3 Embedded QSPI Chip Select Input 83 NC Not connected 41 NC Not connected 89 ETH_TX_P Physical Transmit Signal differential 88 ETH_TX_N Physical Transm...

Страница 20: ...DDISC Voltage Input 2 3 4 VDD_MAIN VDD_MAIN I Main Input Voltage 12 13 VDD_3V3 VDD_3V3 O 3 3V Voltage Output 180 VLDO2 VLDO2 O VLDO2 Output Voltage 150 VDDSDHC VDDSDHC I VDDSDHC Input Voltage 185 186...

Страница 21: ...e supplies and the system pins of the ATSAMA5D27C LD2G CU are described in the following schematics Figure 4 1 SAMA5D27 SiP Schematic USBA_N USBA_P USBB_N USBB_P HSIC_DATA HSIC_STROBE PIOBU2 PIOBU3 PI...

Страница 22: ...R P12 DDRM_VDD12 T17 VDDDDR J8 DDRM_VDD12 P17 DDRM_VSS N14 DDRM_VDD12 M15 DDRM_VDD12 M19 VDDDDR L10 GNDDDR J9 VDDDDR E8 GNDDDR F8 GNDDDR N12 DDRM_VSS E18 DDR_VREF 02 J10 DDR_VREF 01 M12 DDRM_VDD12 B17...

Страница 23: ...E S8B U1 180R BLM18PG181SN1D FB1 10K 0201 1 R6 10K 0201 1 R2 2 2R 0201 5 R4 2 2R 0201 5 R8 3V3 3V3 1V25 1V25 1V8 3V3 1 8V 3V3 max 1A max 1A max 1A max 0 3A max 0 3A max 1A 3 1 2 BSS138 Q1 100k 0201 R...

Страница 24: ...to the product web page 4 1 4 Secure Element The Microchip ATECC608B TNGTLS is the Trust GO secure element part of the Trust Platform for the CryptoAuthentication family The device comes pre configure...

Страница 25: ...and 5 5V and with the MCP16502 PMIC device internally generates the voltage supplies required by the SAMA5D2 processor and on board components The PMIC on board switching regulators generate the 3 3V...

Страница 26: ...supplied by 5V and by a backup battery Some PIO lines are supplied by different LDOs for specific applications such as an ISC camera or a high speed SD card 4 2 2 1 Power Configurations Single Supply...

Страница 27: ...ll period the power rails are powering down The power failure can be controlled by the embedded Voltage Supervisor MIC842 and handled at system level IRQ on PD31 The LPDDR2 power off sequence is appli...

Страница 28: ...UEST NRST ASSERTS SYSTEM OFF VDD_MAIN 5 0V SHDN VDD_3V3 VDDBU VDDANA VDDISC VDDSDHC VDD_DDR NRST PMIC_I2C VLDO2 t2 t3 t1 a b c d e f Table 4 1 ATSAMA5D27 WLSOM1 Simple Supply Timing Table Symbol Descr...

Страница 29: ...T PMIC_I2C VLDO2 t8 t9 t7 a b c d e f Table 4 2 ATSAMA5D27 WLSOM1 Multiple Supplies Timing Table Symbol Description Min Typ Max Unit t1 Power Up Request Timing 0 5 2000 ms t2 VDDSDHC Power Up Timing 3...

Страница 30: ...Schematic TXP 6 TXM 5 RXP 4 RXM 3 VDD_1V2 1 GND 22 PADDLE 25 REXT 9 XI 8 XO 7 REF_CLK 16 TXD1 21 TXD0 20 TXEN 19 RXD1 12 RXD0 13 RXER 17 CRS_DV PHYAD 1_0 15 MDC 11 MDIO 10 INTRP 18 VDDA_3V3 2 VDDIO 1...

Страница 31: ...ength to within 120 mils ETH_TX_x and ETH_RX_x must be symmetric Place the TX_P and TX_N signals at least 2 times the trace width away from other signals for noise immunity Place signals at least 2 ti...

Страница 32: ...ble 4 3 Output Resistor Ladder Values and Input System Supply Example System Supply Voltage Threshold Detection Value Rext1 Value Rext2 Value 5V 4 64V 787 k 287 k 12V 11V 787 k 100 k 24V 21 78V 787 k...

Страница 33: ...3V 0201 C92 4 7uF 10V 0402 C105 VDD_3V3 10000pF 10V 0201 C106 GND VBAT VDDIO 100R 0402 742792731 FB3 100R 0402 742792731 FB4 68K 0201 1 R28 68K 0201 1 R31 68K 0201 1 R30 68K 0201 1 R29 10K 0201 1 R32...

Страница 34: ...R 4 7uF C DAT3 1 CMD 2 VSS1 3 VDD 4 CLK 5 VSS2 6 DAT0 7 DAT1 8 DAT2 9 CD 10 WP 11 SHIELD 12 SD J GND VDD_3V3 10k R 10k R 10k R 68k R 68k R 68k R VDDSDHC 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R 22R 0402...

Страница 35: ...s Affected PIOs in the example above are PA0 to PA5 Place the clock line PA0 at least 3 times the trace width away from other signals for noise immunity Apply impedance control of 50 Ohms on the clock...

Страница 36: ...ation V3 00 www sdcard org SDIO Simplified Specification V3 00 www sdcard org Physical Layer Simplified Specification V3 01 www sdcard org Embedded MultiMedia Card e MMC Electrical Standard 4 51 www j...

Страница 37: ...mes the trace width away from any other data trace Place data signals at least 1 trace width away from any copper plan Figure 4 26 e MMC Layout Example Clock Trace Data Traces Data Traces W 3W W 3W 2W...

Страница 38: ...he NAND Flash interface consider the following recommendations Match signal lengths to within 50 mils Affected PIOs in the example schematic above are PA0 to PA7 For EMI improvement all these nets sho...

Страница 39: ...R 22R 0402 1 R ATSAMA5D27 WLSOM1 U1 PC11 68 PC12 67 PC13 64 PC14 62 PC15 71 PC16 57 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R ATSAMA5D27 WLSOM1 U1 PD20 122 PD19 120...

Страница 40: ...EF1 2 VREF2 7 SCL1 3 SCL2 6 SDA1 4 SDA2 5 EN 8 U PCA9306DCUR ISI_SDA ISI_SCL ISC_TWCK ISC_TWD 3V3_VIN 0 1uF 25V 0402 C53 GND 0 1uF 25V 0402 C GND 200k R DOVDD_2V8 4k7 R DOVDD_2V8 4k7 R ATSAMA5D27 WLSO...

Страница 41: ...pplies the output data from a client to the input of the host There may be no more than one client transmitting data during any particular transfer Serial Clock SPCK This control line is driven by the...

Страница 42: ...COM3 2 58 PC20 FLEXCOM3_IO0 MOSI Signal FLEXCOM3 2 63 PC21 FLEXCOM3_IO3 NPCS0 Signal FLEXCOM3 2 65 PC22 FLEXCOM3_IO4 NPCS1 Signal FLEXCOM4 1 39 PC28 FLEXCOM4_IO0 MOSI Signal FLEXCOM4 1 38 PC29 FLEXCOM...

Страница 43: ...FLEXCOM2 1 171 PA6 FLEXCOM2_IO0 FLEXCOM2 1 173 PA7 FLEXCOM2_IO1 FLEXCOM2 2 127 PD26 FLEXCOM2_IO0 FLEXCOM2 2 123 PD27 FLEXCOM2_IO1 FLEXCOM3 1 22 PA15 FLEXCOM3_IO0 FLEXCOM3 1 175 PA13 FLEXCOM3_IO1 FLEX...

Страница 44: ...ensor Design Guide Design Guide 10752 AN_2585 Implementing a QTouch PTC Subsystem on SAMA5D2 MPU Application Note DS000002585 AN_2472 QTouch on SAMA5D2 MPU Application Note DS000002472 4 6 9 Interfaci...

Страница 45: ...24 66 PC25 61 PC26 37 PC27 35 PC28 39 PC29 38 PC30 34 PC31 36 PD00 33 PA17 24 PB4 77 PD19 120 PD20 122 nRST 7 VDD_MAIN 1uF 10V 0402 C GND 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R 22R 0402 1 R 22R 0402 1...

Страница 46: ...ion emission consider the following recommendations Position the LCD bus interface in inner layers of the PCB Add a ferrite bead on the CLK line Add a ferrite bead on the LCD power supply Select a shi...

Страница 47: ..._PC23 LCD_D20_PC24 LCD_D21_PC25 LCD_ID_PC09 SPI1_SPCK_LCD_PC01 SPI1_MISO_LCD_PC03 SPI1_MOSI_LCD_PC02 SPI1_NPCS2_LCD_PC06 LCD_IRQ2_PA17 PC01 18 PC02 17 PC03 16 PC06 176 PC09 69 PC10 60 PC11 68 PC12 67...

Страница 48: ...2 A 5 2 Recommended Operating Conditions The following table provides the operating ratings for the ATSAMA5D27 WLSOM1 module Table 5 2 Recommended Operating Ratings Characteristic Symbol Min Max Unit...

Страница 49: ...SOM1 SDMMC VDDANA SPI TWI VDD_3V3 RGB VDD_MAIN VDDBU VDDISC VDDSDHC 5 4 2 Software Setup and Command 5 4 2 1 Software Setup The Linux image used for the tests is available on Linux4SAM org The board w...

Страница 50: ...ivities Wi Fi SD Card LCD Activities Wi Fi Ethernet USB Host SD Card Heart Beat OLED LCD Activities Current Consumption IVDD_MAIN 5V 60 5 A 162 mA 207 mA 208 mA 244 mA 250 mA IVDDBU 3 3V 13 8 A 10 1 A...

Страница 51: ...5V 294 5 W 413 mW 299 mW 292 mW 293 5 mW PVDDBU 3 3V 44 88 W 31 68 W 45 21 W 20 46 W 20 79 W PVDD_3V3 3 3V 1910 W 17 62 W 2871 W 2574 W 2640 W 5 5 Radio Performance For more details about radio perfo...

Страница 52: ...137 136 135 140 141 139 130 129 128 TP10 TP11 TP2 TP9 TP1 TP3 TP7 TP6 TP8 GND TP4 PIN 1 CORNER S A TOP VIEW P1b aaa P2 fff fff x n E D e BOTTOM VIEW P2Eb P2Ea jjj jjj x m Tests Points Origin in mm X...

Страница 53: ...tion on these points is allowed They are listed to avoid any contact with the main board vias or copper areas Table 6 2 Test Point Position Compared to Center Origin Test Point Number X Y Voltage Poin...

Страница 54: ...R C R Pads Pitch 0 8 10 75 9 75 8 5 3 25 1 25 0 2 10 1 8 5 10 9 4 75 3 75 4 5 2 5 1 0 2 1 6 1 6 Table 6 3 ATSAMA5D27 WLSOM1 Land Pattern Dimensions in mm Parameter Symbol Common Dimensions Comments Mi...

Страница 55: ...ost board do not apply thermal brakes on the TOP layout around GND pads Note A full GND plane with evenly distributed GND vias should be placed underneath the module on the top layer of the host board...

Страница 56: ...M705 GRN360 K V no clean paste 7 3 Motherboard Stencil Design The recommended stencil is a laser cut stainless steel type with thickness of 100 m to 130 m and an approximate ratio of 1 1 for stencil...

Страница 57: ...n be soldered to the host PCB by using the standard and lead free solder reflow profile To avoid damage to the module follow the JEDEC recommendations as well as those listed below Do not exceed the p...

Страница 58: ...D 020E Profile Pre heat Temperature Min Tsmin 150 C Pre heat Temperature Max Tsmax 200 C Temperature Rise ts from Tsmin to Tsmax 60 to 120 seconds Ramp up Rate TL to Tp 3 C sec max Liquidous Temperatu...

Страница 59: ...self is required to comply with all other applicable FCC equipment authorization regulations requirements and equipment functions that are not associated with the transmitter module portion For exampl...

Страница 60: ...ust be installed to provide a separation distance of at least 8 0 cm from all persons and must not be co located or operating in conjunction with any other antenna or transmitter Users and installers...

Страница 61: ...WILC3000UA a t approuv par Innovation Sciences et D veloppement conomique Canada pour fonctionner avec les types d antenne num r s cidessous et ayant un gain admissible maximal Les types d antenne no...

Страница 62: ...radio products are combined with a radio product If the manufacturer of the combined equipment installs the radio product in a host non radio product in equivalent assessment conditions i e host equiv...

Страница 63: ...u 8 4 Approved Antenna Types ATWILC3000 MR110UA was tested and approved for use with the antennas listed in the table below Different antenna may be used provided they are of the identical antenna typ...

Страница 64: ...ay from the antenna and if possible shield those components Any noise radiated from the host board in this frequency band degrades the sensitivity of the module It is highly recommended not to run the...

Страница 65: ...ed Antenna Cable Routing Directions 5 cm 5 cm 5 cm RevB 0 0000027 1941000 ATSAMA5D27 WLSOM1 MICROCHIP Antenna Keep out Area SAMA5D27 Wireless SOM1 Regulatory Approval 2021 Microchip Technology Inc and...

Страница 66: ...latory Information ATSAMA5D27 WLSOM1 40 8 x 40 8 x 3 287 mm Certified Microchip MPU Wireless module with SAMA5D27 WILC3000 and U FL connector FCC ISED CE SAMA5D27 Wireless SOM1 Ordering Information 20...

Страница 67: ...OB PIOC and PIOD pin description tables Updated 4 1 4 Secure Element Updated figure in 4 2 1 Power Architecture Updated figure in 4 2 2 2 Power Configurations Multiple Supplies Updated figure in 4 2 4...

Страница 68: ...ed 4 6 4 Interfacing with an Image Sensor Controller ISC Updated 4 6 7 Interfacing with CLASS D Audio Output Added 4 6 8 QTouch Peripheral Touch Controller PTC Added 4 6 9 Interfacing with an LCD Sect...

Страница 69: ...hange Notification Service Microchip s product change notification service helps keep customers current on Microchip products Subscribers will receive email notification whenever there are changes upd...

Страница 70: ...e product is unbreakable Code protection is constantly evolving We at Microchip are committed to continuously improving the code protection features of our products Attempts to break Microchip s code...

Страница 71: ...sPICDEM dsPICDEM net Dynamic Average Matching DAM ECAN Espresso T1S EtherGREEN IdealBridge In Circuit Serial Programming ICSP INICnet Intelligent Paralleling Inter Chip Connectivity JitterBlocker maxC...

Страница 72: ...Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91 20 4121 0141 Japan Osaka Tel 81 6 6152 7160 Japan Tokyo Tel...

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