5. Programming
1. Pin initialization
CS: PG12 push-pull output high level
WR: PD5 push-pull output high level
RD: PD4 push-pull output high level
DC: PF12 push-pull output high level
BL: PB15 backlight low level
D0 : PD14 push-pull output
D1: PD15 push-pull output
D2: PD0
D3: PD1
D4: PE7
D5: PE8
D6: PE9
D7: PE10
D8: PE11
D9: PE12
D10: PE13
D11
: PE14 D12: PE15
D13: PD8
D14: PD9
D15: PD10
2. Program configuration
① Pin initialization program
② Pin output configuration program (define a 16-bit data, each bit represents a data line, 1 means corresponding pin output high level, 0 means output Low level)
③ Write data
④ Write command
⑤ Initialize LCD screen (provided by the manufacturer)
⑥ Do screen clear function
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