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本帖最后由 nbzwt 于 2017-6-23 22:03 编辑 " I# j3 y, X F3 K, i4 B; ^, t: J
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屏幕是120*120的,四级灰度带st7571控制器,橙白双色背光,3线SPI模式,可以改电阻改成4线SPI。/ j$ i0 Z% Z* b0 F
定义:) R% g6 X2 }1 k. a
- 1 GND
# w& N D. N- t2 q6 z - 2 VDD
o3 v, s4 W7 c6 [3 R - 3 VDD
+ z9 |" n% r: F1 f6 g+ Q7 y - 4 GND
; E) _! u: f6 e0 P - 5 nBL-AW
6 e6 {. @6 z; g - 6 nBL-AA
0 I. |: O' \8 _! c3 o3 g; S; Q - 7 MOSI& g3 Q# l' w1 a- `: d
- 8 RS# ?0 H7 C' |, L" ~5 \
- 9 GND8 l% f) S" d; I! [
- 10 SCK1 n6 {# `9 V! J
- 11 GND' X' N8 l* q% A- F1 b
- 12 nCS3 M6 D6 @3 f- S6 I! T
- 13 KEY-COM6 I ^+ @% [ u- u" E: s, r
- 14 KEY15 i2 S4 X; i7 s$ Z
- 15 KEY2/ G8 F4 i- |5 V1 l9 x/ y1 ~
- 16 KEY3. z, z6 H& Q4 p! B
- 17 KEY4, b F/ O+ A* ]5 j* o. B
- 18 nRST
; \5 X' _, M3 E7 I3 Y6 D% ` - 19 VCC
- f( h& ? L1 Y- z - 20 GND
复制代码
" r: K$ A+ L; x8 ?, d初始化序列:5 e9 p' a: X0 L% _+ w( c4 X- S
- LCD_WriteCmd(0x2c);% q# t& d2 O. P( U6 w3 H
- Delayms(200);
' e" E) d+ ^3 x( Y: L - LCD_WriteCmd(0x2e);
7 s' [- p0 y3 C( U - Delayms(200);
% B1 s! {: }" y - LCD_WriteCmd(0x2f);
% w5 H8 S u/ Z1 q$ M - Delayms(10); u1 n! j6 ]4 O! j
# _1 P/ Q& n5 i8 e- ?8 b* v* y- LCD_WriteCmd(0xae);* H9 z8 ^9 t' n4 s: M
- LCD_WriteCmd(0x38);: Q# Q& T" T7 M" `( G9 f0 { \
- LCD_WriteCmd(0xb8); ; X- R, d6 x% Y2 @
- LCD_WriteCmd(0xc0);
& F4 i/ }8 H# D8 n- u9 N - LCD_WriteCmd(0xa0);
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- LCD_WriteCmd(0x44);
2 u+ M, L6 s$ A/ l; M - LCD_WriteCmd(0x00);. S7 j, L6 R( T& I9 S- J
- LCD_WriteCmd(0x40);
* x# Y7 @" `/ C% q; L# X+ {* ] \ - LCD_WriteCmd(0x00); $ z) V2 J. g: O- q3 V
& \( @( p# Z% G1 B1 J) ^* m- LCD_WriteCmd(0xab);
# k$ y. @5 {+ y! N6 G8 x - LCD_WriteCmd(0x67);" x% e+ W1 Y) n, `. l
- LCD_WriteCmd(0x24); , {. A2 m, x7 ]9 @5 x- `
- LCD_WriteCmd(0x81);
, e: W! m5 `6 n/ M$ Q - LCD_WriteCmd(0x36);
" z# y( u; Q' _6 v7 J8 Q
1 l {- e2 @+ {# t- LCD_WriteCmd(0x54);
- C. T% Y5 D! f - LCD_WriteCmd(0xf3);2 o; G* Y( B: h. s5 h5 y! n
- LCD_WriteCmd(0x04); ! U5 T, m' G. c' |
- LCD_WriteCmd(0x93); : e; b9 E3 M5 N* G5 t& D7 s
* ^, H8 j) I$ ]$ W; T# E- LCD_WriteCmd(0xA7);: S/ B0 K2 _4 z* Q' y
- ; E' |4 S* z. r- a) D* r( k
- LCD_WriteCmd(0xaf);
复制代码
1 o9 h ]+ [# k3 ^驱动效果:
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