Chapter 1
SWRU417 – June 2015
Overview
The CC256XEM-STADAPT board allows the connection between a CC256xEM board (CC256XQFNEM,
CC2564MODAEM, and CC2564MODNEM) and a STM32 MCU Evaluation board (STM3240G-EVAL and
STM32F4DISCOVERY).
On one side, the JR1 and JR2 connectors are provided to interface with a CC256xEM board; on the other
side, there are two options for the STM32 MCU Evaluation boards. For the first option, JE3 and JD2
connectors enable the connection to CN3 and CN4 headers in the STM3240G-EVAL board, respectively.
In the second option, JD1 and JD2 connectors allow the connection to headers P1 and P2 in the
STM32F4DISCOVERY board, respectively. Furthermore, an on-board 32.768-KHz crystal oscillator can
provide the slow clock to the CC256xEM boards.
The CC256XEM-STADAPT board provides flexibility to route the UART and PCM/I2S signals to different
pins on the STM32 MCU Evaluation boards through a set of resistors and jumpers. The jumpers on
headers J1 through J6 control which evaluation board, STM3240G-EVAL or STM32F4DISCOVERY,
receives the UART signal. Zero-ohm resistors can be soldered on to the PCM/I2S section to provide the
signal to the STM32 MCU Evaluation boards if their application requires I2S communication. Reference
and
for the UART and PCM/I2S communication configurations.
Figure 1-1. CC256XEM-STADAPT Overview
6
Overview
SWRU417 – June 2015
Copyright © 2015, Texas Instruments Incorporated
