Hardware layout and configuration
UM1932
18/31
UM1932 Rev 4
4.13 Extension
connector CN12
The extension connector CN12 is a 2.54 mm pitch header located at the bottom side of the
32F469IDISCOVERY Discovery board. It is composed of 16 square pins of 0.64 mm
arranged in double row and it is compatible with usual connectors mating with 2.54 mm
headers, having 0.64 mm square posts. Pins 1, 2, 15 and 16 are marked on the silkscreen
of the PCB, pin 1 is signaled by a triangle as shown below:
Figure 7. Extension connector CN12
The extension connector gives access to the following communication buses and features:
•
CAN2
•
USART6 (TX, RX)
•
I2S2
•
SPI1
•
7 timer channels
•
2 ADC inputs
•
A 1W monophonic loudspeaker output
•
System signals: NRST, MCO1, ANTI-TAMP1
•
Power supply: +3V3, GND
The STM32F469NIH6 ports and extension connector pins numbers are detailed in the
following
Table 6: Extension connector pinout
:
-
PG13
D2
3
CN7 Digital
USART6_TX
PG14
D1
2
USART6_RX
PG9
D0
1
Table 5. ARDUINO
®
compatible connectors (continued)
Function
MCU Pin
Pin name
Pin
Connector
