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User's Manual l MBa7x UM 0101 l © 2020, TQ-Systems GmbH

Page 18

4.1.6

Power Management and Reset

TQMa7x

RESET_OUT#

USB

4604

RESET

#

ENET1_RST#

KSZ9031

RESET#

LTC3727

(VCC3V3 / VCC5V)

VCC5V

RUN1

VCC3V3_MB_EN

0.45 V

VCC3V3

FT

230

XQ

RESET

#

TLV

320

AIC

RESET

#

PMIC_PWRON

RESET_IN#

IMX_ONOFF

Reset button S8

Reset button S9

Reset button S10

LVDS

-CMD

(X

16

)

Mini PCIe

(X

17

)

LCD_RESET

PCIE_RST#

VIN

OUT2

OUT1

PCA9555

I2C

I2C2

FDC6331

VIN

OUT

LT3503

ON/OFF

VIN

OUT

SHDN#

VIN

TPS54335

(VCC12V)

VIN

OUT

EN

IO1_2

IO1_4

VCC3V3_MPCIE_EN

VCC1V5_MPCIE_EN

VCC3V3_MPCIE

VCC1V5_MPCIE

IO1_3

VCC24V

VCC24V

VCC12V_EN

VCC12V

ENET2_RST#

KSZ9031

RESET#

SN75LVDS

(LVDS)

SHDN#

IO0_1

LVDS_SHDN#

Supervisor

MR#

WDOG1#

RESET#

Internal
Internal

RUN2

Figure 7:

Block diagram Power and Reset

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Summary of Contents for MBa7x

Page 1: ...MBa7x User s Manual MBa7x UM 0101 26 10 2020...

Page 2: ...a7D 11 4 1 2 I2 C address mapping 14 4 1 3 Temperature sensor 15 4 1 4 RTC backup 16 4 1 5 Port Expander 17 4 1 6 Power Management and Reset 18 4 1 7 Power supply 20 4 1 7 1 Protective circuitry 21 4...

Page 3: ...EMC 64 7 2 ESD 64 7 3 Operational safety and personal security 64 8 CLIMATIC AND OPERATIONAL CONDITIONS 64 8 1 Protection against external effects 64 8 2 Reliability and service life 64 9 ENVIRONMENT...

Page 4: ...eristics USB 2 0 Hi Speed OTG 27 Table 24 Type of USB Micro AB receptacle 28 Table 25 Pinout USB OTG1 USB Micro AB X5 28 Table 26 Pinout USB OTG2 USB Mini PCIe X17 28 Table 27 Characteristics Ethernet...

Page 5: ...X6 48 Table 61 Type of 100 mil headers 49 Table 62 Pinout Header 1 X23 50 Table 63 Pinout Header 2 X24 51 Table 64 Pinout Header 3 X25 52 Table 65 Meaning of diagnostic LEDs 53 Table 66 Boot Mode con...

Page 6: ...5 Position of RS 232 X13 USB X14 35 Figure 26 Block diagram LVDS 37 Figure 27 Position of LVDS connectors X15 X16 37 Figure 28 Block diagram audio 40 Figure 29 Position of audio connectors X19 X20 X21...

Page 7: ...GmbH Page vi REVISION HISTORY Rev Date Name Pos Modification 0100 23 10 2019 Petz First issue 0101 26 10 2020 Petz All 4 1 1 3 4 1 1 3 4 1 1 4 Figure 54 Table 71 Links updated Connectors on MBa7x spli...

Page 8: ...trademarks are rightly protected by a third party 1 3 Disclaimer TQ Systems GmbH does not guarantee that the information in this User s Manual is up to date correct complete or of good quality Nor do...

Page 9: ...used This symbol represents important details or aspects for working with TQ products Command A font with fixed width is used to denote commands file names or menu items 1 7 Handling and ESD tips Gen...

Page 10: ...The manufacturer s specifications of the components used for example CompactFlash cards are to be taken note of They contain if applicable additional information that must be taken note of for safe an...

Page 11: ...pin 100 mil header Temperature sensor 24 V Power IN DC sockets Battery 22 status LEDs 3 buttons navigation Reset Power On Button Boot mode DIP switches CAN 120 DIP switches 1Gbit Ethernet PHY Power su...

Page 12: ...h integrated magnetics Ethernet 1000BASE T 1 RJ45 receptacle Receptacle with integrated magnetics only with TQMa7D CAN 2 Phoenix connector 3 pin Straight version galvanically isolated RS 485 1 Phoenix...

Page 13: ...12 V 5 V 3 3 V PCIe 3 3 V 2 Green LED Debug LEDs for USB debug interface 1 Red LED Reset LED 4 Green yellow LED Ethernet LEDs Activity Speed Temperature sensor 1 I2 C temperature sensor Power Reset b...

Page 14: ...be taken from the TQMa7x User s Manual The boot behaviour of the TQMa7x can be customised The required boot mode configuration can be set with DIP switches on the MBa7x see chapter 4 3 5 4 1 1 2 Conne...

Page 15: ...T 3 3 V I M5 L1 I 3 3 V UART UART5_RX 59 60 UART3_RX UART 3 3 V I M1 L2 O 3 3 V UART UART5_TX 61 62 UART3_TX UART 3 3 V O M2 P 0 V Power DGND 63 64 DGND Power 0 V P P 1 8 V Power VCC1V8_OUT 65 66 VCC1...

Page 16: ...GMII1_TD0 53 54 DGND Power 0 V P E17 O 3 3 V RGMII RGMII1_TD1 55 56 RGMII1_RD0 RGMII 3 3 V I E14 E18 O 3 3 V RGMII RGMII1_TD2 57 58 RGMII1_RD1 RGMII 3 3 V I F14 D18 O 3 3 V RGMII RGMII1_TD3 59 60 RGMI...

Page 17: ...DGND Power 0 V P B19 O 1 8 V MIPI DSI_CLK_P 37 38 CSI_D0_N MIPI 1 8 V I A16 P 0 V Power DGND 39 40 CSI_D0_P MIPI 1 8 V I B16 A20 O 1 8 V MIPI DSI_D0_N 41 42 DGND Power 0 V P B20 O 1 8 V MIPI DSI_D0_P...

Page 18: ...RT 3 3 V I M5 L1 I 3 3 V UART UART5_RX 59 60 UART3_RX UART 3 3 V I M1 L2 O 3 3 V UART UART5_TX 61 62 UART3_TX UART 3 3 V O M2 P 0 V Power DGND 63 64 DGND Power 0 V P P 1 8 V Power VCC1V8_OUT 65 66 VCC...

Page 19: ...RGMII1_TD0 53 54 DGND Power 0 V P E17 O 3 3 V RGMII RGMII1_TD1 55 56 RGMII1_RD0 RGMII 3 3 V I E14 E18 O 3 3 V RGMII RGMII1_TD2 57 58 RGMII1_RD1 RGMII 3 3 V I F14 D18 O 3 3 V RGMII RGMII1_TD3 59 60 RGM...

Page 20: ...IPI DSI_CLK_P 37 38 CSI_D0_N MIPI 1 8 V I A16 P 0 V Power DGND 39 40 CSI_D0_P MIPI 1 8 V I B16 A20 O 1 8 V MIPI DSI_D0_N 41 42 DGND Power 0 V P B20 O 1 8 V MIPI DSI_D0_P 43 44 TQMa7x 01xx RFU 5 TQMa7x...

Page 21: ...e clock generator 9FGV0241 are connected at I2C2 All three I2 C buses are also routed to 100 mil headers X23 and X25 on the MBa7x The following table shows the I2 C addresses used Table 10 I2 C addres...

Page 22: ...e sensor on the MBa7x can be changed by reassembling configuration resistors If the address is changed care has to be taken to avoid address conflicts with other I2 C devices Figure 4 Position of temp...

Page 23: ...idered if the RTC in the i MX7 is used This leads to a fast discharge of the battery More information can be found in the TQMa7x User s Manual The following tables show details of the RTC backup suppl...

Page 24: ...ZZER O Low Buzzer On Off IO0_1 LVDS_SHDN O High Enable for LVDS transceiver SN75LVD IO0_2 SC_MOD_VCC O Low Supply voltage 1 8 V 3 V for Smart card X6 IO0_3 PE_GPIO3 I O High GPIO3 at X25 40 IO0_4 PE_G...

Page 25: ..._ONOFF Reset button S8 Reset button S9 Reset button S10 LVDS CMD X16 Mini PCIe X17 LCD_RESET PCIE_RST VIN OUT2 OUT1 PCA9555 I2C I2C2 FDC6331 VIN OUT LT3503 ON OFF VIN OUT SHDN VIN TPS54335 VCC12V VIN...

Page 26: ...er supply VCC12V_EN Port Expander IO1_3 O Low Enable for 12 V supply display LVDS_SHDN Port Expander IO0_1 O High Reset for LVDS Transceiver PMIC_PWRON TQMa7x PMIC I High See User s Manual TQMa7x Usab...

Page 27: ...Ba7x Additionally 3 3 V 5 V and 12 V are available at each of the three headers X23 X24 and X25 5 V and 12 V are available at the LVDS CMD connector X16 All five connectors share the available power 2...

Page 28: ...otective circuit Figure 9 has the following characteristics Fuse 4 A slow blow Excess voltage protection diode PI filter Inverse polarity protection Capacitors for voltage smoothing Figure 9 Protectiv...

Page 29: ...aders are loaded with maximum current The power supply used must be designed accordingly At 100 CPU load MBa7x and TQMa7x consume approx 6 5 W To measure the power consumption of the TQMa7x two 50 m r...

Page 30: ...wer supply connectors Figure 12 Position of power supply connectors X26 X27 Table 17 Types of power supply connectors Connector Manufacturer Number Description X26 Cui Stack PJ 102BH DC jack 2 5 mm 5...

Page 31: ...ault from its own internal memory As an assembly option the USB hub can be connected to the I2C2 bus on the MBa7x In this case the firmware can also be loaded into the hub via this bus when the system...

Page 32: ...User s Manual l MBa7x UM 0101 l 2020 TQ Systems GmbH Page 25 4 2 1 USB 2 0 Hi Speed Host continued Figure 14 Position of USB Host Top Figure 15 Position of USB Host Bottom...

Page 33: ...mon Mode Choke in series 4A DGND DGND P 1B VBUS USB_H2_VBUS P 100 F to DGND EMI filter 2B D USB_H2_D_N I O Common Mode Choke in series 3B D USB_H2_D_P I O Common Mode Choke in series 4B DGND DGND P M1...

Page 34: ...G The interface can be a client or a host To use this feature the appropriate software support is necessary however The OTG port provides a theoretical data rate of 480 Mbit s The data rate can signif...

Page 35: ...Signal Dir Remark 1 VBUS USB_OTG1_VBUS P 100 F to DGND EMI filter Imax 100 mA 2 D USB_OTG1_D_N I O Common Mode Choke in series 3 D USB_OTG1_D_P I O Common Mode Choke in series 4 ID USB_OTG1_ID I 5 DGN...

Page 36: ...T Figure 18 Block diagram Ethernet 100 BASE T RJ45 connectors X8 and X9 provide integrated magnetics and two status LEDs each This Ethernet interface corresponds to the IEEE 802 3 standard and offers...

Page 37: ...t of the RJ45 Ethernet jacks Table 29 Pinout Ethernet 1000BASE T Connector Pin Pin name Signal X8 1 D1 ENET1_A_P 2 D1 ENET1_A_N 3 D2 ENET1_B_P 4 D3 ENET1_C_P 5 D3 ENET1_C_N 6 D2 ENET1_B_N 7 D4 ENET1_D...

Page 38: ...t isolated from each other The High Speed mode is configured by default using a configuration resistor at the input RS of the CAN transceiver MCP2551 390 to Ground maximum slew rate The High Speed mod...

Page 39: ...emark 1 CAN_H CAN2_H I O Galvanically isolated 2 CAN_L CAN2_L I O Galvanically isolated 3 DGND DGND_CAN P Galvanically isolated The following characteristics apply to the CAN interfaces Table 34 CAN c...

Page 40: ...an be switched to half duplex by an assembly option In this case the receiver is controlled by UART7 CTS The assembly option is described in the current circuit diagram Table 35 RS 485 mode settings M...

Page 41: ...ted 2 B RS 485_B I Galvanically isolated 3 Y RS 485_Y O Galvanically isolated 4 Z RS 485_Z O Galvanically isolated 5 DGND DGND_RS 485 P Galvanically isolated The following characteristics apply to the...

Page 42: ...cases the UART6 interface of the TQMa7x is used No software configuration is necessary The interface is selected with the DIP switch S7 see Table 41 Figure 25 Position of RS 232 X13 USB X14 Table 40 T...

Page 43: ...rfaces RS 232 USB continued Table 42 Pinout Debug RS 232 D Sub 9 X13 Pin Signal 1 4 6 9 NC 2 RS 232_RXD 3 RS 232_TXD 7 RS 232_RTS 8 RS 232_CTS 5 DGND M1 M2 DGND Table 43 Pinout Debug USB USB Micro AB...

Page 44: ...signals as well as 12 V and 5 V A High level at LVDS_SHDN switches the LVDS transceiver on a Low level at LVDS_SHDN switches the LVDS transceiver off The LVDS transceiver is configured for 8 bit FORM...

Page 45: ...m pitch Table 45 Pinout LVDS X15 Pin Signal Remark 1 LVDS0_TX0_N ESD protection 2 LVDS0_TX0_P ESD protection 3 LVDS0_TX1_N ESD protection 4 LVDS0_TX1_P ESD protection 5 LVDS0_TX2_N ESD protection 6 LV...

Page 46: ...4 DGND 5 DGND 6 DGND 7 5 V 8 5 V 9 DGND 10 DGND 11 USB_H3_VBUS ESD protection 12 DGND 13 USB_H3_D_N ESD protection Common Mode Choke in series 14 USB_H3_D_P ESD protection Common Mode Choke in series...

Page 47: ...by the audio codec TLV320AIC It is connected to the TQMa7x via SAI configured as I2 S and I2 C The audio codec provides microphone line in and line out signals The signals are routed to 3 5 mm jacks A...

Page 48: ...protection 3 AGND_AUDIO 10 k to AGND_AUDIO right channel not used Table 50 Pinout Line In X20 Pin Signal Remark 1 AGND_AUDIO 2A 2B LINE_IN_L 470 nF in series ESD protection 3 LINE_IN_R 470 nF in seri...

Page 49: ...Block diagram SD card Figure 31 Position of SD card X7 Table 52 Type of SD card connector Manufacturer Number Description Yamaichi FPS009 2405 0 SD MMC card connector Table 53 Pinout SD card X7 Pin P...

Page 50: ...ompliant Mini PCIe card can be used An additional SIM card holder is installed to use a GSM card see chapter 4 2 11 A high level at VCC3V3_MPCIE_EN switches VCC3V3_MPCIE on a low level switches VCC3V3...

Page 51: ...When using PCIe cards the distance between the board and the card must be taken into account The connector for the card is located 3 7 mm above the board With a heat sink screw connection with a maxim...

Page 52: ...P SIM card signal see Table 58 17 NC 18 DGND 19 NC 20 PCIE_DIS 21 DGND 22 PCIE_RST 23 PCIE_RX_N 24 VCC3V3_MPCIE See Table 54 25 PCIE_RX_P 26 DGND 27 DGND 28 VCC1V5_MPCIE See Table 54 29 DGND 30 I2C2 S...

Page 53: ...gure 35 Position of SIM card X18 Table 57 Type of SIM card Manufacturer Number Description YAMAICHI FMS006Z 2101 0 SIM card slot Table 58 Pinout SIM card X18 Pin Pin name Signal C1 PWR UIM_PWR C2 RST...

Page 54: ...show possible clock supplies Detailed information can be found in the MBa7x schematics TQMa7x Mini PCIe X17 External PCIe ref clock PCIE REFCLK OUT PCIE REFCLK IN Pinheader X24 Figure 36 Clock supply...

Page 55: ..._MOD_VCC is set to Low by default SIM_VCC 1 8 V Note 5 V Smart cards SIM cards that require 5 V supply signal level are not supported TQMa7x Smart Card X6 Smart Card Level shifter SIM SIM GPIO Expande...

Page 56: ...oards which additional electronics and connectors can be plugged in TQMa7x Header 1 X23 Header 3 X25 Header 2 X24 Figure 41 Block diagram headers X23 X24 X25 In addition to the signals 3 3 V 5 V and 1...

Page 57: ...A08 21 22 LCD DATA13 LCD LCD LCD DATA10 23 24 LCD DATA15 LCD LCD LCD DATA12 25 26 LCD DATA17 LCD LCD LCD DATA14 27 28 LCD DATA19 LCD LCD LCD DATA16 29 30 LCD DATA21 LCD LCD LCD DATA18 31 32 LCD DATA23...

Page 58: ...D Power UART4 UART4 RX 23 24 DSI D1_N DSI UART4 UART4 TX 25 26 DSI D1_P DSI Power DGND 27 28 DGND Power CSI CSI D1_P 29 30 PCIE_EXT REFCLK_IN_N PCIE_EXT CSI CSI D1_N 31 32 PCIE_EXT REFCLK_IN_P PCIE_EX...

Page 59: ...I2C3 SCL 21 22 DGND Power UART5 UART5 RX 23 24 SAI1 RX_BCLK SAI UART5 UART5 TX 25 26 SAI1 RX_SYNC SAI Power DGND 27 28 DGND Power SD PMIC_SD_VSELECT 29 30 ECSPI2_SCLK ECSPI2 SD SD1_RESET 31 32 ECSPI2...

Page 60: ...ander Port IO1_0 lit when port high V10 Green LED on Port Expander Port IO1_1 lit when port high Power V11 Green Status 24 V lights up when supply 24 V active V12 Green Status 12 V lights up when supp...

Page 61: ...ignal PE1_INT TQMa7x GPIO7_IO12 Button S12 Button S11 Button S13 PCA9555 I2C IO1_5 INT I2C2 IO1_6 IO1_7 PE1_INT SWITCH_A SWITCH_B SWITCH_C Figure 44 Block diagram navigations buttons Figure 45 Positio...

Page 62: ...ng To prevent the LCD signals from being affected by the DIP switch circuitry after the boot process they can be separated from each other by IO buffers The BOOT_EN signal is available on a module GPI...

Page 63: ...es describe the DIP switch settings for the different boot media Further settings like transfer modes and CPU clock can be found in the User s Manual of the TQMa7x 10 Switch position 1 means ON switch...

Page 64: ...2 BOOT_MODE0 0 0 0 1 S2 1 BOOT_CFG0 X X X X 2 BOOT_CFG1 X 1 X X 3 BOOT_CFG2 0 0 X X 4 BOOT_CFG3 0 0 X X 5 BOOT_CFG4 0 1 0 X 6 BOOT_CFG5 1 X 0 X 7 BOOT_CFG6 0 X 0 X 8 BOOT_CFG7 0 0 0 X S3 1 BOOT_CFG8...

Page 65: ...E1_INT BUZZER Figure 48 Block diagram buzzer The MBa7x provides a buzzer The buzzer is controlled via the PCA9555 port expander A high level of the BUZZER signal activates the buzzer Figure 49 Positio...

Page 66: ...rface is routed to a 20 pin header X22 The pull ups for the lines TDI TMS TRST and SRST are assembled on the MBa7x All signal lines use 3 3 V as a reference The JTAG interface has no ESD protection Th...

Page 67: ...Up to VCC3V3 4 DGND P 5 JTAG TDI I 10 k Pull Up to VCC3V3 6 DGND P 7 JTAG TMS I 10 k Pull Up to VCC3V3 8 DGND P 9 JTAG TCK I 10 DGND P 11 DGND P 10 k to DGND 12 DGND P 13 JTAG TDO O 14 DGND P 15 JTAG...

Page 68: ...l management of the MBa7x At 100 CPU load MBa7x and TQMa7x consume approx 6 5 W Attention Destruction or malfunction TQMa7x heat dissipation The i MX7 belongs to a performance category in which a cool...

Page 69: ...User s Manual l MBa7x UM 0101 l 2020 TQ Systems GmbH Page 62 6 3 Assembly Figure 53 Component placement top...

Page 70: ...TQ Systems GmbH Page 63 6 3 Assembly continued Figure 54 Component placement bottom The labels on the MBa7x show the following information Table 71 Labels on MBa7x Label Text AK1 MBa7x version revisi...

Page 71: ...viding an ESD protection are to be taken from the circuit diagram 7 3 Operational safety and personal security Due to the occurring voltages 30 V DC tests with respect to the operational and personal...

Page 72: ...nly mounted in sockets 9 6 2 Lithium batteries The requirements concerning special provision 188 of the ADR section 3 3 are complied with for Lithium batteries There is therefore no classification as...

Page 73: ...line Package DSI Display Serial Interface ECSPI Enhanced Capability Serial Peripheral Interface EEPROM Electrically Erasable Programmable Read only Memory EMC Electromagnetic Compatibility EMI Electr...

Page 74: ...horisation and restriction of Chemicals RFU Reserved for Future Usage RGMII Reduced Gigabit Media Independent Interface RJ45 Registered Jack 45 RoHS Restriction of the use of certain Hazardous Substan...

Page 75: ...P 3 i MX7 Dual Solo Product Lifetime Usage AN5334 0 09 2016 NXP 4 PF3000 PMIC 7 0 09 2016 NXP 5 i MX 7Dual Applications Processor Reference Manual IMX7DRM 0 1 08 2016 NXP 6 i MX 7Solo Applications Pro...

Page 76: ...TQ Systems GmbH M hlstra e 2 l Gut Delling l 82229 Seefeld Info TQ Group TQ Group...

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