SPRUJ70A January 2023 – March 2024 AM69 , AM69A , TDA4AH-Q1 , TDA4AP-Q1 , TDA4VH-Q1 , TDA4VP-Q1
The EVM includes a 40-pin (2x20, 2.54mm pitch) expansion interface [J27]. The expansion connector supports variety of interfaces including: I2C, serial peripheral interface (SPI), I2S with Audio clock, UART, pulse width modulator (PWM), and GPIO. All signals on the interfaces are 3.3V levels.
| Pin # | Pin Name | Description (TDA4VM Pin #) | Dir |
|---|---|---|---|
| 1 | Power | Power,3.3V | Output |
| 2 | Power | Power,5.0V | Output |
| 3 | I2C_SDA | MCU I2CBus #0, Data (G34) | Bi-Dir |
| 4 | Power | Power,5.0V | Output |
| 5 | I2C_SCL | MCU I2CBus #0, Clock (M35) | Bi-Dir |
| 6 | GND | Ground | |
| 7 | GP_CLK/GPIO | REFCLK0/WKUP_GPIO0_66 (N34) | Bi-Dir |
| 8 | UART_TXD | UART#5 Transmit (AG36) | Output |
| 9 | GND | Ground | |
| 10 | UART_RXD | UART#5 Receive (AJ33) | Input |
| 11 | GPIO | GPIO0_42 (AF34) | Bi-Dir |
| 12 | I2S_SCLK | McASP#1 ACLKX (AC34) | Bi-Dir |
| 13 | GPIO | GPIO0#36 (AC35) | Bi-Dir |
| 14 | GND | Ground | |
| 15 | GPIO | WKUP_GPIO0_49 (M33) | Bi-Dir |
| 16 | GPIO | GPIO0#3 (AF33) | Bi-Dir |
| 17 | Power | Power,3.3V | Output |
| 18 | GPIO | AUDIO_EXT_REFCLK0(AJ34) | Bi-Dir |
| 19 | SPI_MOSI | MCU SPI#1 Data 0 (J34) | Bi-Dir |
| 20 | GND | Ground | |
| 21 | SPI_MISO | MCU SPI#1 Data 1 (J35) | Bi-Dir |
| 22 | GPIO | WKUP_GPIO0_67 (M34) | Bi-Dir |
| 23 | SPI_SCLK | MCU SPI#1 Clock (H38) | Bi-Dir |
| 24 | SPI_CS0 | MCU SPI #1 Chip Select 0 (J36) | Bi-Dir |
| 25 | GND | Ground | |
| 26 | SPI_CS1 | MCU SPI #1 Chip Select 2 (K37) | Bi-Dir |
| 27 | ID_SDA | WKUP I2C #0 Data (N35) | Bi-Dir |
| 28 | ID_SCL | WKUP I2C #0 Clock (N33) | Bi-Dir |
| 29 | GPIO | WKUP_GPIO0_56 (M37) | Bi-Dir |
| 30 | GND | Ground | |
| 31 | GPIO | WKUP_GPIO0_57(M36) | Bi-Dir |
| 32 | PWM0 | PWM3_A (AE35) | Output |
| 33 | PWM1 | PWM0_A (AM37) | Output |
| 34 | GND | Ground | |
| 35 | I2S_FS | McASP #1 AFSX (AD33) | Bi-Dir |
| 36 | GPIO | GPIO0_41 (AJ36) | Bi-Dir |
| 37 | GPIO | GPIO0_27 (AJ37) | Bi-Dir |
| 38 | I2S_DIN | McASP #1 AXR0 (AD38) | Bi-Dir |
| 39 | GND | Ground | |
| 40 | I2S_DOUT | McASP #1 AXR4 (AL34) | Bi-Dir |