Hardware Rework Guide for MIMXRT685-EVK and AW-CM358-uSD
This section is a brief hardware rework guidance of the EdgeFast Bluetooth PAL on the NXP i.MX MIMXRT685-EVK board and AW-CM358-uSD. The AW-CM358-uSD user guide is available here. The hardware rework has one part:
HCI UART rework
Hardware rework
HCI UART rework
R398 move from 1-2 to 2-3.
Connect the pins of two boards as the following table.
Pin Name |
AW-CM358-USD |
i.MXRT685 |
PIN NAME |
GPIONAME of RT685 |
|---|---|---|---|---|
UART_TXD |
J10 (pin 4) |
J27 (pin 1) |
USART4_RXD |
FC4_RXD_SDA_MOSI_DATA |
UART_RXD |
J10 (pin 2) |
J27 (pin 2) |
USART4_TXD |
FC4_TXD_SCL_MISO_WS |
UART_RTS |
J10 (pin 6) |
J47 (pin 9) |
USART4_CTS |
FC4_CTS_SDA_SSEL0 |
UART_CTS |
J10 (pin 8) |
J27 (pin 5) |
USART4_RTS |
FC4_RTS_SCL_SSEL1 |
GND |
J6 (pin 7) |
J29 (pin 6) |
GND |
GND |
Jumper Setting:
Connect J4[1-2] for VIO 1.8 V supply.
PCM interface rework
Connect the pins of two boards as the following table.
Pin Name |
AW-CM358-USD |
i.MX RT685 |
PIN NAME of RT685 |
GPIONAME of RT685 |
|---|---|---|---|---|
PCM_IN |
J11 (pin 1) |
J47 (pin 7) |
I2S2_TXD |
FC2_RXD_SDA_MOSI_DATA |
PCM_OUT |
J11 (pin 2) |
J28 (pin 4) |
I2S5_RXD |
FC5_RXD_SDA_MOSI_DATA |
PCM_SYNC |
J11 (pin 3) |
J28 (pin 5) |
I2S5_WS |
FC5_TXD_SCL_MISO_WS |
PCM_CLK |
J11 (pin 4) |
J28 (pin 6) |
I2S5_SCK |
FC5_SCK |
GND |
J11 (pin 5) |
J29 (pin 7) |
GND |
GND |
Parent topic:Hardware Rework Guide for MIMXRT685-EVK and AW-CM358-uSD