ST 32F412GDISCOVERY, User Manual

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UM2032 Rev 3 29/40
UM2032 Hardware layout and configuration
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5.17.2 LCD signal access (CN7)
CN7 is the footprint of a dual-row, through-hole, 26-pin header with 2.54 mm pitch. The
header CN7 gives an easy access to the FMC signals of the LCD (see
Table 11 ).
6 D12 Data connected to FMC PE15
7 D11 Data connected to FMC PE14
8 D10 Data connected to FMC PE13
9 D9 Data connected to FMC PE12
10 D8 Data connected to FMC PE11
11 D7 Data connected to FMC PE10
12 D6 Data connected to FMC PE9
13 D5 Data connected to FMC PE8
14 D4 Data connected to FMC PE7
15 D3 Data connected to FMC PD1
16 D2 Data connected to FMC PD0
17 D1 Data connected to FMC PD15
18 D0 Data connected to FMC PD14
19 /RD Read of LCD connected to FMC_NOE PD4
20 /WR Write of LCD connected to FMC_NWE PD5
21 RS Data/Command select connected to A0 PF0
22 /CS Chip Select of LCD connected to FMC_NE1 PD7
23 RESET LCD RESET PD11
24 IM 8-bit (low)/16-bit (high) mode selection pin n/a
25 IOVCC LCD I/Os power supply connected to VDD n/a
26 VCI Power supply connected to +3.3 V n/a
27 GND Ground GND
28 LEDA Anode of backlight LED n/a
29 LEDK Cathode of backlight LED n/a
Table 10. Pin assignment for connector CN15 (continued)
CN15 pin
Signal
name
Description
STM32 pin
involved
Table 11. Pin assignment for connector CN7
CN7 odd pins Signal name CN7 even pins Signal name
1 A0 2 LCD_BLCTRL
3 FMC_NWE 4 GND
5 FMC_NE1 6 FMC_NOE
7 D0 8 D1