STM32 Connectors
2.2.3 JE3 Headers
The JE3 headers is the 2×50 header perpendicular to the other two on the bottom of the board. The
CC256XEM-STADAPT can connect to a STM3240G-EVAL board by connecting JE3 and JD2 into the
CN3 and CN4 headers, respectively.
Table 2-5. Table of Pins JE3
CC256XEM-STADAPT
STM3240G-EVAL
Pin
Function
Pin
MCU Pin
Function
JE3.1
GND
CN3.1
GND
GND
JE3.3
EVAL_I2S2_CK_PI1
CN3.3
PI1
I2S2_CK
JE3.5
X
CN3.5
PH15
X
JE3.7
X
CN3.7
PH13
X
JE3.9
X
CN3.9
PC13
X
JE3.11
X
CN3.11
RESET
X
JE3.13
X
CN3.13
PA11
X
JE3.15
X
CN3.15
VBUS
X
JE3.17
EVAL_MCO
CN3.17
PC9
MCO2
JE3.19
X
CN3.19
EMU
X
JE3.21
EVAL_DAC_MCLK
CN3.21
PC6
I2S2_MCK / GPIO
JE3.23
X
CN3.23
PG7
X
JE3.25
X
CN3.25
PG5
X
JE3.27
X
CN3.27
PG3
X
JE3.29
X
CN3.29
PD15
X
JE3.31
X
CN3.31
PD14
X
JE3.33
X
CN3.33
PD12
X
JE3.35
X
CN3.35
PD10
X
JE3.37
X
CN3.37
PD8
X
JE3.39
GND
CN3.39
GND
GND
JE3.41
EVAL_I2S2_CK_PB13
CN3.41
PB13
I2S2_CK
JE3.43
X
CN3.43
PH12
X
JE3.45
X
CN3.45
NC
X
JE3.47
X
CN3.47
EMU
X
JE3.49
X
CN3.49
EMU_5
X
JE3.2
EVAL_I2S2ext_SD_PI2
CN3.2
PI2
I2S2ext_SD
JE3.4
EVAL_I2S2_WS_PI0
CN3.4
PI0
I2S2_WS
JE3.6
X
CN3.6
PH14
X
JE3.8
X
CN3.8
PA13
X
JE3.10
GND
CN3.10
GND
GND
JE3.12
X
CN3.12
PA12
X
JE3.14
X
CN3.14
PA10
X
JE3.16
X
CN3.16
PA8
X
JE3.18
X
CN3.18
PC8
X
JE3.20
EVAL_USART6_RX
CN3.20
PC7
USART6_RX
JE3.22
EVAL_USART6_RTS
CN3.22
PG8
USART6_RTS
JE3.24
X
CN3.24
PG6
X
JE3.26
X
CN3.26
PG4
X
JE3.28
X
CN3.28
PG2
X
JE3.30
GND
CN3.30
GND
GND
JE3.32
X
CN3.32
PD13
X
JE3.34
X
CN3.34
PD11
X
14
Hardware Description
SWRU417 – June 2015
Copyright © 2015, Texas Instruments Incorporated