STMicroelectronics 32L4R9IDISCOVERY - Page 67

UM2271 Schematics
DocID030906 Rev 2 67/78
Figure 32. 32L4R9IDISCOVERY STMOD+ interface
13 14
STMOD+ Interface
MB1311 C
28/08/2017
Title:
Size: Reference:
Date: Sheet: of
A4
Revision:
STM32L4R9I-DISCOProject:
GND
GND+5V
+5V
STMOD+_INT
STMOD+_RESET
STMOD+_ADC
DF_CKOUT
STMOD+_PWM
STMOD+_UART RX
TX
RTS
CTS
UART
USART3_CTS
USART3_TX
USART3_RX
USART3_RTS
STMOD+_SPI MISO
MOSI
CLK
CS
SPI
SPI2_CLK
SPI2_MISOp
SPI2_MOSIp
SPI2_CS
SDA
SCL
I2C
STMOD+_I2C
I2C3_SCL
I2C3_SDA
STMOD+_MOSIs
STMOD+_MISOs
PI2
PA5 (*)
PA4 (*)
PI7 (*)
PB15 (*) PC2 (*)
PB13 (*)
PB14 (*)
PI3
PB11
PA6
PA6
PA15
PC6 (*)
PB10 (*)
PG7 (*)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN1
SQT-110-01-F-D-RA
GND GND
+3V3 +3V3
1
2
3
4
5
6
7
8
9
10
11
12
CN3
SSW-106-02-F-D-RA
PMOD#1
PMOD#2
PMOD#3
PMOD#4
PMOD#1
PMOD#2
PMOD#3
PMOD#4
PMOD#11
PMOD#12
PMOD#11
PMOD#12
SB21
SB17
SB19
PMOD
D1
16
D2
5
1-2SEL
3
D3
8
D4
13
1S2
1
1S1
15
2S2
6
2S1
4
3S2
9
3S1
7
4S2
14
4S1
12
VCC
2
GND
11
3-4SEL
10
U21
STG3692QTR
PMOD#2
PMOD#3
PMOD#4
VDD
PMOD_SEL_0
STMOD+_SEL_0
R46
10K
C47
1uF
PMOD_SEL_1
STMOD+_SEL_1
R45
10K
MOSIp/TX
MISOp/RX
SCK/RTS
STMOD+_SEL_0
STMOD+_SEL_1
PMOD#2
PMOD#3
PMOD#4
0
MOSIp
MISOp
SCK
TX
RX
RTSSCK
TX
RX
SPI UART
VDD
(*) default configuration to support MikroBus modules using MB1280 fan-out board
UART/SPI
00(*)
1(*) 1
1
(*)
STMOD+/PMOD USART3_TX (PB10) may also use DSI_USART_TX option
STMOD+/PMOD SPI2_MOSIp (PB15) shared with ARD_D11 and DSI_SPI2_MOSI option
STMOD+/PMOD SPI2_MISOp (PB14) shared with ARD_D12 and DSI_SPI_DCX option
STMOD+/PMOD SPI2_SCK (PB13) shared with ARD_D13 and DSI_SPI2_SCK option
STMOD+ I2C3 SCL (PG7) shared with ARD_D15 (I2C3_SCL)
STMOD+ I2C3 SDA (PG8) shared with ARD_D14 (I2C3_SDA)
STMod+
USART3_TX
SPI2_MOSIp
USART3_RX
SPI2_MISOp
USART3_RTS
SPI2_CLK
PG8 (*)
PB15 (*)
PB14 (*)
PB13 (*)
CTSCSCS
ATOM FH200210C-12000
ATOM FH254206C-1600
SB22
DFDATIN3
PC7 (*)
DFDATIN1
PB12 (*)
(*)
STMOD+ INT (PC6) in conflict with DCMI_D0 (Camera)
STMOD+ RESET (PI7) in conflict with DCMI_D7 (Camera)
STMOD+ ADC (PA4) in conflict with ARD_D7 and DCMI_HSYNC (Camera)
STMOD+ PWM (PA5) in conflict with ARD_A5
STMOD+ DFDATIN1 (PB12) in conflict with MEMs microphones (use SB1 in audio page)
STMOD+ DF_CKOUT (PC2) in conflict with MEMs microphones
DFDATIN3
(
PC7
)
in conflict with DCMI_D1
(
Camera
)
SB20
SB16
SB18
PB10 (*)
PB11
PA15
PC2 (*)
PMOD#1 (PA6)
CAUTION : Following STMod+/PMOD signals are multiplexed or shared with other functions. In case
STMod+/PMOD module is plugged, take care that the corresponding features are disconnected or well configured :
T
T
T
T
MFX_GPIO6
MFX_GPIO7