background image

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

Base Stamp

DB

GPIO_T_9

GPIO_T_7
GPIO_T_8

GPIO_T_6

GPIO_T_3

GPIO_T_1

AU0_VIN0_P
AU0_VIN0_N

AU0_VIN1_P
AU0_VIN1_N

VCCIO18

GPIO_T_0

GPIO_T_2

GPIO_T_4
GPIO_T_5

GPIO_T_10
GPIO_T_11

A_USB_DM

AU_AMP_VOLN

A_USB_DP

AU_AMP_VORN

USB_VBUS_IC

AU1_VIN0_P
AU1_VIN0_N

AU_AMP_VORP

SDIO_CLK

SDIO_CMD

SDIO_DAT0

SDIO_DAT1

SDIO_DAT2

SDIO_DAT3

GPIO_B_0
GPIO_B_1
GPIO_B_2
GPIO_B_3
GPIO_B_5
GPIO_B_6
GPIO_B_7
GPIO_B_8
GPIO_B_9

GPIO_B_10
GPIO_B_11
GPIO_B_12
GPIO_B_13
GPIO_B_14
GPIO_B_15
GPIO_B_16

GPIO_R_0
GPIO_R_1
GPIO_R_2
GPIO_R_3
GPIO_R_4
GPIO_R_5
GPIO_R_6
GPIO_R_7
GPIO_R_8
GPIO_R_9
GPIO_R_10
GPIO_R_11

RTC_EVT

AU_AMP_VOLP

KEY_SYSRST_B

Base_3V3

Base_3V3

VCCIO_L

IC_VCCIO

PHYLDO_OUT

RTC_3V3

PMU_EN_RTC

MIC_MICBIAS0

MediaTek Inc.

5F No.5 Tai-Yuan 1st St.
Chupei City, Hsinchu County 30265, Taiwan, R.O.C.

Title

Size

Document Number

Drawn

Rev

Date:

Sheet

of

MT7933_BGA_RFB

<Size>

01-Base Stamp

2.2

Friday, January 21, 2022

2

7

MediaTek Inc.

5F No.5 Tai-Yuan 1st St.
Chupei City, Hsinchu County 30265, Taiwan, R.O.C.

Title

Size

Document Number

Drawn

Rev

Date:

Sheet

of

MT7933_BGA_RFB

<Size>

01-Base Stamp

2.2

Friday, January 21, 2022

2

7

MediaTek Inc.

5F No.5 Tai-Yuan 1st St.
Chupei City, Hsinchu County 30265, Taiwan, R.O.C.

Title

Size

Document Number

Drawn

Rev

Date:

Sheet

of

MT7933_BGA_RFB

<Size>

01-Base Stamp

2.2

Friday, January 21, 2022

2

7

LGA_104P_BASE

U66B

Base_3V3

B5

Base_3V3

B11

Base_3V3

B12

Base_3V3

P4

Base_3V3

P5

IC_VCCIO

K14

PHYLDO_OUT

N2

VCCIO_L

N14

RTC_EVT

L2

RTC_3V3

B9

PMU_EN_RTC

K2

A_USB_DP

J15

A_USB_DM

H15

USB_VBUS_IC

F15

MIC_MICBIAS0

P1

KEY_SYSRST_B

M14

AU1_VIN0_P

R2

AU1_VIN0_N

R3

AU0_VIN1_P

M1

AU0_VIN1_N

L1

AU0_VIN0_P

J1

AU0_VIN0_N

K1

AU_AMP_VORP

F1

AU_AMP_VORN

G1

AU_AMP_VOLP

E1

AU_AMP_VOLN

D1

Base_ANT

A12

JP1

HEADER 3X1

JP3/DIP/P2.54

1

2

3

LGA_104P_BASE

U66A

SDIO_DAT3

P14

SDIO_DAT2

P13

SDIO_DAT1

M15

SDIO_DAT0

P15

SDIO_CMD

L15

SDIO_CLK

N15

GPIO_B_0

R14

GPIO_B_1

P12

GPIO_B_2

R10

GPIO_B_3

R13

GPIO_B_5

R12

GPIO_B_6

R9

GPIO_B_7

P11

GPIO_B_8

R11

GPIO_B_9

P9

GPIO_B_10

R8

GPIO_B_11

P10

GPIO_B_12

P8

GPIO_B_13

R5

GPIO_B_14

P7

GPIO_B_15

R6

GPIO_B_16

R7

GPIO_R_0

A3

GPIO_R_1

B3

GPIO_R_2

B2

GPIO_R_3

B1

GPIO_R_4

A2

GPIO_R_5

A1

GPIO_R_6

B7

GPIO_R_7

A7

GPIO_R_8

A4

GPIO_R_9

A5

GPIO_R_10

B4

GPIO_R_11

B6

GPIO_T_0

E2

GPIO_T_1

H2

GPIO_T_2

F2

GPIO_T_3

G2

GPIO_T_4

C2

GPIO_T_5

D2

GPIO_T_6

E14

GPIO_T_7

B8

GPIO_T_8

F14

GPIO_T_9

A8

GPIO_T_10

D15

GPIO_T_11

C15

LGA_104P_BASE

U66C

GND

A6

GND

A9

GND

A10

GND

A11

GND

A13

GND

A14

GND

A15

GND

B10

GND

B13

GND

B14

GND

B15

GND

C1

GND

C14

GND

D14

GND

E15

GND

G14

GND

G15

GND

H1

GND

R15

GND

R4

GND

R1

GND

P6

GND

P3

GND

P2

GND

N1

GND

M2

GND

H14

GND

J2

GND

J14

GND

K15

GND

L14

VCCIO_L

Pro

vid

ed 

by 

AcS

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Summary of Contents for EK-AI7931LD

Page 1: ...Version E Doc No 912 13802 Date 2022 11 14 AcSiP Technology Corp www acsip com tw EK AI7931LD User Guide P r o v i d e d b y A c S i p P r o v i d e d b y A c S i p P r o v i d e d b y A c S i p...

Page 2: ...ory Date Revised Contents Revised By Version 2022 04 29 2022 08 25 2022 09 26 2022 10 20 2022 11 14 Initial Version Add FCC Statement Modify Hardware Features Add EVK Schematic Modify Hardware Feature...

Page 3: ...stalling the FTDI drivers on Microsoft Windows 6 3 Hardware Features 8 3 1 Features Description 8 4 Hardware Feature Configuration 10 4 1 Microcontroller 10 4 2 Power Supply 10 4 3 Audio 13 4 4 Button...

Page 4: ...7 Table 5 GPIO pin multi function definition 18 Figure 1 Front view of EK AI7931LD 4 Figure 2 Jumpers and connectors on the EK AI7931LD 5 Figure 3 COM port associated with the EK AI7931LD 7 Figure 4 D...

Page 5: ...extended distance The AI7931LD is designed to support standard based features in the areas of security quality of service and international regulations giving end users the greatest performance any t...

Page 6: ...shown in Figure2 Figure 2 Jumpers and connectors on the EK AI7931LD The description of pins Figure 2 and their functionality is provided below 1 CON8 transfer USB interface to UART interface can debug...

Page 7: ...ion 2 2 Installing the FTDI drivers on Microsoft Windows To configure the EK AI7931LD 1 Connect the EK AI7931LD CON8 to the computer using a micro USB cable 2 Check your PC is x86 or x64 system And do...

Page 8: ...UCT USER GUIDE www acsip com tw Due to the com port numbers COMx are different at different PC As red block in Figure 3 showed means CM33 UART Figure 3 COM port associated with the EK AI7931LD P r o v...

Page 9: ...th single 3 3V power supply input Integrates 26MHz crystal clock with low power operation in idle mode Integrates 32KHz crystal oscillator for low power sleep mode 3 1 3 Platform ARM Cortex M33 MCU wi...

Page 10: ...0 2M_PHY Long Range Advertising Extension SAM CS 2 High Duty Cycle Non Connectable ADV BT4 2 Link Layer Privacy LE Secure Connection LE Data Packet Length Extension Link Layer Extended Scanner Filter...

Page 11: ...ry Protection Unit MPU in Cortex M33 MCU to detect unexpected memory access and provides other memory protection features The AI7931LD also includes FPU in Cortex M33 MCU 4 2 Power Supply EK AI7931LD...

Page 12: ...in or1V8 power domain Select pin 1 2 means VCCIO use 3V3 power domain Select pin 2 3 means VCCIO use 1V8 power domain Caution The flash of AI7931LD default using3V3 power domain if you want to change...

Page 13: ...ery Connect an external AA or AAA battery to battery pin header J25 to supply power to the system as shown in Figure 5 Please note that remove jumper J2 and plug in jumper J26 Jumper JP5 can be remove...

Page 14: ...audio is output by speaker J10 J24 Audio Right_P switch Pin 3 2 1 Pin define Audio jack_R_in Module_audio_out_R Amp_R_in_P Select pin 3 2 The audio is output by audio jack Select pin 2 1 The audio is...

Page 15: ...t the EK AI7931LD SW2 Vol Audio volume up button SW3 Vol Audio volume down button SW4 RTC_EINT For AI7933CLD only SW5 Force DL mode Press SW5 to trigger strapping mode download mode 4 5 RGB LED As Fig...

Page 16: ...into a SD card And note that there are some registers which placed need to be reworked before using SD card Please refer to figure 8 and switch R756 to R757 switch R745 to R751 switch R744 to R750 swi...

Page 17: ...nectivity as shown in Figure 9and described in Table 4 The board has 22 GPIOs multiplexed with other interfaces Depending on the use case user can configure each I O functionality Note GPIO 12 GPIO C_...

Page 18: ...for Arduino I2C1_SDA GPIO_5 Reserve for flash GPIO_20 J87 19 Reserve for Arduino I2C1_SCL GPIO_6 J28 2 Reserve for Arduino SPI0_CSK GPIO_21 J87 21 GPIO_7 J28 4 Reserve for Arduino SPI0_CSN GPIO_22 J8...

Page 19: ...O Debug Signal 0 0110 ANT_SEL0 O Antenna Select 0 0111 RSVD I RSVD SDIO_CMD 0000 GPIO 7 I O I PU GPIO 7 0001 SDIO_CMD I O SDIO CMD 0010 MSDC0_CMD I O MSDC CMD 0011 SPIM0_CS_N O SPI0 Master Chip Select...

Page 20: ..._DAT0 I I2S In Data0 0100 UART0_RX I UART0 RX 0101 DEBUG_4 O Debug Signal 4 0110 I2C0_SCL O I2C0 Clock 0111 CM33_GPIO_EINT2 I CM33 EINT2 SDIO_DAT3 0000 GPIO 11 I O I PU GPIO 11 0001 SDIO_DAT3 I O SDIO...

Page 21: ...I2SO LRCK 0100 RSVD RSVD 0101 DEBUG_8 O Debug Signal 8 0110 ANT_SEL5 O Antenna Select 5 0111 CM33_GPIO_EINT6 I CM33 EINT6 GPIO_B_3 0000 GPIO 15 I O I PD GPIO 15 0001 RSVD I RSVD 0010 SPIM1_MISO I SPI...

Page 22: ...N LRCK 0101 UART1_TX O UART1 TX 0110 PTA_EXT_IF_FREQ I External PTA Frequency 0111 CM33_GPIO_EINT11 I CM33 EINT11 GPIO_B_8 AUXADC 0000 GPIO 20 I O I PD GPIO 20 0001 CONN_WF_MCU_AICE_ TCKC I Wi Fi N10...

Page 23: ...M33_GPIO_EINT14 I CM33 EINT14 GPIO_B_11 AUXADC 0000 GPIO 23 I O I PU GPIO 23 0001 CONN_BGF_MCU_AICE_ TMSC I O BT N10 SWD 0010 DSP_URXD0 I DSP UART RX 0011 I2C0_SDA I O I2C0 Data 0100 DMIC_DAT3 I DMIC...

Page 24: ...UART1 TX 0100 UART0_TX O UART0 TX 0101 DSP_UTXD0 O DSP UART TX 0110 ANT_SEL5 O Antenna Select 5 0111 CM33_GPIO_EINT18 I CM33 EINT18 KPROW_1 0000 GPIO 48 I O I PU GPIO 48 0001 CM33_UART_RX I CM33 UART...

Page 25: ...ase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radi...

Page 26: ...ese conditions cannot be met for example certain laptop configurations or co location with another transmitter then the FCC authorization is no longer considered valid and the FCC ID cannot be used on...

Page 27: ...e label stating Contains FCC ID 2ADWC AI7931LD with finished product Information on Test Modes and Additional Testing Requirements Test tool termite 3 3 shall be used to set the module to transmit con...

Page 28: ...Tai Yuan 1st St Chupei City Hsinchu County 30265 Taiwan R O C Title Size Document Number Drawn Rev Date Sheet of MT7933_BGA_RFB Size 00 Block Diagram 2 2 Friday January 21 2022 1 7 MediaTek Inc 5F No...

Page 29: ...Sheet of MT7933_BGA_RFB Size 01 Base Stamp 2 2 Friday January 21 2022 2 7 LGA_104P_BASE U66B Base_3V3 B5 Base_3V3 B11 Base_3V3 B12 Base_3V3 P4 Base_3V3 P5 IC_VCCIO K14 PHYLDO_OUT N2 VCCIO_L N14 RTC_EV...

Page 30: ...C Title Size Document Number Drawn Rev Date Sheet of MT7933_BGA_RFB Size 02 Arduino pin holder 2 2 Monday February 07 2022 3 7 MediaTek Inc 5F No 5 Tai Yuan 1st St Chupei City Hsinchu County 30265 Tai...

Page 31: ...70 499ohm R0201 C7 C 4 7uF 0402 C0402 R734 R 510 Ohm 0402 1 2 F2 PolyFuse SSMD1812P110TF 16 1 2 R11 R 510 Ohm 0402 1 2 U65 NLSX4373 UDFN8 SMD P0 4 NLSX3373 IOVL1 2 IOVL2 3 VL 1 GND 4 VCC 8 IOVC1 7 IOV...

Page 32: ...R O C Title Size Document Number Drawn Rev Date Sheet of MT7933_BGA_RFB Size 04 Digital RTC 2 2 Tuesday February 08 2022 5 7 MediaTek Inc 5F No 5 Tai Yuan 1st St Chupei City Hsinchu County 30265 Taiw...

Page 33: ...ND 19 OUTPR 18 BSPR 17 PVCCR 16 PVCCR 15 E Pad 29 D6 AU0521M1 NC DIODE SMD AU0521M1 C68 C 0 22uF 0201 C0201 R41 NC 100K 0402 1 2 L2 B1047AS 220M P3 L IND SMD DS75LC J88 1 2 C495 C 1uF 0402 C0402 J6 HE...

Page 34: ...4 R 0 ohm 0402 1 2 J28 HEADER 15X2 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 21 22 23 24 25 26 27 28 29 30 R105 R 0 ohm 0402 R0402 FT232RL U13 FTDI_FT232RL SSOP28 SMD P0 65 FT232RL S TXD 1 DT...

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