SPRUJB5 February 2024 AM67 , AM67A , TDA4AEN-Q1 , TDA4VEN-Q1
The EVM includes a 40-pin (2x20, 2.54mm pitch) expansion interface [J28]. 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.
To help clarify connectivity between this interface and the processor, the table includes the pin location of the connected processor in parenthesis '( )'.
Pin # | Pin Name | Description (TDA4VM Pin #) | Dir |
---|---|---|---|
1 | Power | Power,3.3 V | Output |
2 | Power | Power,5.0 V | Output |
3 | I2C_SDA | MCU I2CBus #0, Data (E11) | Bi-Dir |
4 | Power | Power,5.0 V | Output |
5 | I2C_SCL | MCU I2CBus #0, Clock (B13) | Bi-Dir |
6 | GND | Ground | |
7 | GP_CLK/GPIO | REFCLK2/GPIO0 #38 (W26) | Bi-Dir |
8 | UART_TXD | UART#1 Transmit (F24) | Output |
9 | GND | Ground | |
10 | UART_RXD | UART#1 Receive (C27) | Input |
11 | GPIO | UART#1 RST/GPIO1 #8 (A26) | Bi-Dir |
12 | I2S_SCLK | McASP #0 ACLKX (D25) | Bi-Dir |
13 | GPIO | GPIO0 #33 (N22) | Bi-Dir |
14 | GND | Ground | |
15 | GPIO | UART#1 CTS/GPIO1 #7 (A25) | Bi-Dir |
16 | GPIO | GPIO0#3 (B5) | Bi-Dir |
17 | Power | Power,3.3V | Output |
18 | GPIO | GPIO0#39 (N24) | Bi-Dir |
19 | SPI_PICO | MCU SPI#1 Data 0 (B12) | Bi-Dir |
20 | GND | Ground | |
21 | SPI_POCI | MCU SPI#1 Data 1 (C11) | Bi-Dir |
22 | GPIO | GPIO0#42 (P21) | Bi-Dir |
23 | SPI_SCLK | MCU SPI#1 Clock (A9) | Bi-Dir |
24 | SPI_CS0 | MCU SPI #1 Chip Select 0 C12) | Bi-Dir |
25 | GND | Ground | |
26 | SPI_CS1 | MCU SPI #1 Chip Select 1 (A10) | Bi-Dir |
27 | ID_SDA | WKUP I2C #0 Data (D11) | Bi-Dir |
28 | ID_SCL | WKUP I2C #0 Clock (B9) | Bi-Dir |
29 | GPIO | EHRPWM0_A/ GPIO1 #15 (B20) | Bi-Dir |
30 | GND | Ground | |
31 | GPIO | EHRPWM1_A/ GPIO1 #17 (D20) | Bi-Dir |
32 | PWM0 | EHRPWM0_B/ GPIO1 #16 (C20) | Output |
33 | PWM1 | EHRPWM1_B/ GPIO1 #18 (E19) | Output |
34 | GND | Ground | |
35 | I2S_FS | McASP #0 AFSX (C26) | Bi-Dir |
36 | GPIO | GPIO0#41 (R27) | Bi-Dir |
37 | GPIO | GPIO0#36 (P26) | Bi-Dir |
38 | I2S_DIN | McASP #0 AXR0 (F23) | Bi-Dir |
39 | GND | Ground | |
40 | I2S_DOUT | McASP #0 AXR1 (B25) | Bi-Dir |