数码管驱动芯片的芯片

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aderson 发布时间：2017-5-20 11:05

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本帖最后由 adersonl 于 2017-5-20 15:27 编辑

工作中经常要用到大量的数码管，点阵，LED

一般都是用74系列的芯片去驱动，因为公司的项目需求找了这颗芯片现在分享驱动和原理图过

$3E_{Q1VD30GJ(~[[5LI7VZ4.png$

enum Brightness
9 W, N# `$ X F- Z( z% ^. ~5 M
{' J5 P0 F1 \% W7 r: \& n
Level1 = 0x88,7 C- _- R- l4 C0 {1 w: q
Level2,) G9 t0 S9 p, Q a- U- v5 _
Level3,
7 e- E, N4 i- J; E
Level4,
" o- p6 k# ^+ X, G$ S" _% J
Level5,1 r& s6 g- V# q+ K
Level6,
6 o' T8 }- w# o, C! w
Level7,
/ B8 Y5 I) n! |" h# G- o# r
Level8,
0 H6 S* A( M& F9 S% J6 A( W. n! s
LEDOFF = 0x80
5 F( r" Y7 r+ W/ @$ S e( @
};9 f8 t3 ~0 O& c: b
- `& h( {& M8 y
uint8_t NUM[11][5] = 2 J0 ]* u" R0 H. H: p8 R1 s8 P2 _
{, N# E% A; S) d2 o
{0xFF, 0x41, 0x41, 0x41, 0xFF},//0
( M8 X- F7 m1 P$ M
{0x00, 0x00, 0x7F, 0x00, 0x00},//1
: v/ m3 r# K& `) X
{0x79, 0x49, 0x49, 0x49, 0x4F},//2
9 f# ]3 S3 l0 W& {2 `! K! r
{0x49, 0x49, 0x49, 0x49, 0xFF},//3
% z9 R3 Z# c5 Q' N
{0x0F, 0x08, 0x08, 0x08, 0xFF},//4
. b4 [9 u4 ^, j! @! N% o8 n6 ]( m2 w
{0x4F, 0x49, 0x49, 0x49, 0x79},//56 U9 E, G' ~2 L3 f; b/ ]
{0xFF, 0x49, 0x49, 0x49, 0x79},//6' [2 }5 x8 L$ Q. H7 ]
{0x01, 0x01, 0x01, 0x01, 0xFF},//7$ A% V! J0 H- R/ h
{0xFF, 0x49, 0x49, 0x49, 0xFF},//8! V4 I' `" b2 N
{0x4F, 0x49, 0x49, 0x49, 0xFF},//9
. ^* r9 u- [2 N: v* ]: L
{0x00, 0x00, 0x22, 0x00, 0x00},//:
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};
7 V) u6 M; Z* S
$ V' K6 E5 x) R! J7 i ^
void TM1640_GPIO_Init(void)& z# M/ ?+ i' J5 {
{( N) n/ n* Y0 k4 l3 G
GPIO_Init(GPIOA, (GPIO_Pin_TypeDef)(GPIO_PIN_1), GPIO_MODE_OUT_PP_HIGH_FAST);0 P+ v. |7 Q' b4 v7 w% Z* I( X
GPIO_Init(GPIOA, (GPIO_Pin_TypeDef)(GPIO_PIN_2), GPIO_MODE_OUT_PP_HIGH_FAST);
; c Q, _" _- H
GPIO_Init(GPIOC, (GPIO_Pin_TypeDef)(T2_Din | T2_Clk), GPIO_MODE_OUT_PP_HIGH_FAST);
8 }8 g/ I B1 Q
}
9 N- t/ L6 b% v- X$ R: t
1 Q& f+ L" Q; ]+ _3 _! B; e' D
/ w8 c- N2 z6 G9 h d5 k8 }- l' P/ x- ?
void Delay(uint16_t nCount)- L5 u6 c- A+ q+ D
{. H- Q7 J# s3 Q* @ q
while (nCount != 0)$ H$ n r0 _; l% |& e
{
W; h4 j. |$ _. k0 Z. w" [
nCount--;
( s3 b0 E/ ~% t& q& i
}) R; h( _) f6 G: m' @, S; H
}
" B6 u0 w3 N3 o* j j0 P7 o
4 L' K! y# N3 ^, |
void TM1640_Start(void)! }* f- `) i6 p2 a. x' J
{
& a0 i( J2 }9 D0 H
GPIO_WriteHigh(GPIOA, T1_Clk);
2 `% E) r5 k& [
Delay(10);$ n$ T1 c& z; P. C- r
GPIO_WriteHigh(GPIOA, T1_Din);
- d7 ]" m4 U( q" N
Delay(10); u* f. B5 v# w
GPIO_WriteLow(GPIOA, T1_Din);4 Z0 ~! V1 K/ s( T3 m+ p
Delay(10); o8 B" l$ H1 w8 k4 X
GPIO_WriteLow(GPIOA, T1_Clk);: r! a8 i. i) C/ T: m
Delay(10);
+ |4 u9 c3 B. c( ~+ G1 @
}5 ^; l1 M4 e9 K8 O7 }
& g7 O) W% f, A! U/ }4 P; W
void TM1640_Stop(void)7 C, i7 N" ~9 r+ `# z9 ^# G
{7 k* a( a+ ]1 z6 }
GPIO_WriteLow(GPIOA, T1_Clk);
1 Q6 L) h; _4 G" m3 }3 |
Delay(10);( W& B N& R2 B& j
GPIO_WriteLow(GPIOA, T1_Din);7 g. S4 R# S$ F e( H' @
Delay(10);# F* W& c; c# C
GPIO_WriteHigh(GPIOA, T1_Clk);1 f8 j0 S# D$ `% F
Delay(10);
3 |; N+ P8 |6 k9 r. Z, n
GPIO_WriteHigh(GPIOA, T1_Din);! i1 I# i! D ]8 v
Delay(10);
8 i. z8 f* H9 a( V
}1 S5 h5 v6 E! ]. F
. L; D t; b0 B3 o7 s3 i% ^3 p
void TM1640_2_Start(void)
0 Y: V1 m0 M+ K
{! r" ]1 _6 [7 f
GPIO_WriteHigh(GPIOC, T2_Clk);
/ q3 j! C4 D2 N# p/ M# ]
Delay(10);, j4 H7 _9 U q
GPIO_WriteHigh(GPIOC, T2_Din);
" X# v* c R! z& a9 }* ]( x/ o
Delay(10);
9 M( I% ]; u" c! W
GPIO_WriteLow(GPIOC, T2_Din);
2 u' A" S8 B# v% m/ i9 x r Y
Delay(10);
. w- x: |- m' Y5 k$ \# I
GPIO_WriteLow(GPIOC, T2_Clk);
. M: ~2 p4 R5 v4 U* C6 {
Delay(10);
1 k: j. h+ ?& G* s; v I7 c) [
}
; Q" b+ Q M# K$ g8 H
& @) u6 M+ o! Z4 h) O/ a
void TM1640_2_Stop(void)( J& x9 V: q, f- g
{9 X6 @3 h }: F e3 \; D
GPIO_WriteLow(GPIOC, T2_Clk);
) V; d8 E- k; o: N! t$ M
Delay(10);. C( z; Q. B! q
GPIO_WriteLow(GPIOC, T2_Din);- L; \$ I2 H9 d' m1 C; Z
Delay(10);
0 o/ ^6 O* i0 p+ K* O* y
GPIO_WriteHigh(GPIOC, T2_Clk);/ s3 [) m' d. l: b3 O1 v# O9 o0 n6 J
Delay(10);$ I. E! ?0 V3 e! ~; ^: b) s& B
GPIO_WriteHigh(GPIOC, T2_Din);" q, p3 _* W9 _
Delay(10);9 a- g1 [! q {3 x" A$ i
}
2 V0 H! K6 R5 g$ B! P- W8 }9 E
# z9 ^- |/ ~# A) A/ a- u
* p% Y9 }8 I5 |1 h" x( Q) ~
void TM1640_Write_Byte(uint8_t dat)
0 ~# E$ H' N1 }6 j
{
) y; A4 X2 R: b4 u2 s
uint8_t i;! e7 t, g) Q# }) c$ k
for(i = 0; i < 8; i++)
# Y& Q( h3 u$ T7 `* ?" n
{5 `# @# x# [, q3 c9 v7 p R
GPIO_WriteLow(GPIOA, T1_Clk);
, x6 T. e% ?' p$ e; [% A) d
if(dat & 0x01)- t+ O/ a3 s, c. j: u) V u
{( S8 D5 Q; X: R' v2 t
GPIO_WriteHigh(GPIOA, T1_Din);2 `% S, Z8 q8 I
}2 h+ c) h* v# T
else
5 W+ B+ `8 P# q; G$ U: ^4 ]' A
{- H3 B% Y3 T3 C; A* o: q- f2 N+ G/ o
GPIO_WriteLow(GPIOA, T1_Din);+ b" {- ?2 E( T5 f9 f
}
; f( ?5 F2 G, I+ \* I
Delay(10);3 \" v; M% Z9 k$ ]
GPIO_WriteHigh(GPIOA, T1_Clk);
* W2 G4 i8 ^3 W) W& T* U
Delay(10);; i- p* A8 t+ h' u7 ~
dat >>= 1;
+ Y, ], z1 ?# g6 ^* o* n8 Q
}+ p1 [3 |9 N8 j7 F/ e. A* G. x$ I* y/ l
GPIO_WriteLow(GPIOA, T1_Clk);
2 q8 l" O( W# _- Y6 Z4 ^- r8 H) `
Delay(10);
, W4 L5 p: v, a- X' w5 B
}
# d4 q+ d5 | I- K& R. m: M! U: ?& ^
( D8 d" {' _3 i3 m8 m
void TM1640_2_Write_Byte(uint8_t dat)
, ?$ u& _4 ?$ }" c( |) K
{0 S: n, V7 [5 q$ W9 Y
uint8_t i;% h* @1 g* v9 Y7 f3 ~
for(i = 0; i < 8; i++)6 ]& \3 y7 ~0 i1 r; S: `+ D: I
{# g% \( A' \8 C& u/ T
GPIO_WriteLow(GPIOC, T2_Clk);
- y0 |2 u/ `0 |
if(dat & 0x01)
4 \$ ?! N7 @- g6 r8 F8 W
{
5 ~; L8 d4 i* ^+ h' t3 X% G
GPIO_WriteHigh(GPIOC, T2_Din);
; N; H* t/ {( @5 S3 S! `
}
9 m! q! f+ Q* p+ w2 J9 _5 J
else9 a( w& u' q2 Q/ O
{! ]$ y, j" ?* P
GPIO_WriteLow(GPIOC, T2_Din);
}
1 I p! U$ O' I6 c+ ^
Delay(10);- i- r+ ]8 F0 B6 z( G' o
GPIO_WriteHigh(GPIOC, T2_Clk);6 E. t8 m1 S8 c& L; x- R
Delay(10);2 W+ ~9 e7 e& I7 M; u" Q6 I4 Y9 ^
dat >>= 1; Y1 r1 F0 S" ~7 ]/ s9 B% [- I
}% \- x3 Q A# Y) ^
GPIO_WriteLow(GPIOC, T2_Clk);" }" C6 G, D+ e& Y2 @& D" M, T( j
Delay(10);
6 K8 S5 M: G5 e4 c9 A
}# K2 U. [' s: [9 b1 M* Y
; d, y# d3 P1 u2 B
% d& b( I2 u6 @
void TM1640_Init(void)+ ~2 P( V' R* C* D- a
{
4 z1 u$ b4 S$ @/ r# |% V' W4 E/ h* d
TM1640_GPIO_Init();
. S4 Q, c+ Q/ g" X* k
Delay(10);9 U7 l( g- [/ @& j+ L( r
TM1640_Start();# s3 E3 ~0 c0 Z" F8 M; c$ @' T' J& k
TM1640_Write_Byte(Level8);
! Z( g; s, {' u$ l* n3 W8 _ M
TM1640_Stop();, Z' m2 u, [5 d: N: Y" [
TM1640_2_Start();
: X( v6 O! `7 C) ]8 L( e
TM1640_2_Write_Byte(Level8);% Y5 n3 @ M M% |( c
TM1640_2_Stop();& e9 z: X& r) I1 ]) P/ W+ H
}
: Q( L. l4 c: Y+ _! j
/ ^$ v0 F( A1 A* T& \* k
' k4 h+ |% e% y, M/ y; j. C
void TM1640_Bit1(uint8_t *Dat)8 U, v @/ i, j$ d! t4 ^' B, I
{: H4 Y/ Q1 q/ ~( ^
uint8_t i;! G( m4 d1 x" J; I$ w S3 [
TM1640_Start();
; ]7 {, s' ]3 k( Q; F
TM1640_Write_Byte(0x40);, w/ G& |+ X6 d( b2 D5 O
TM1640_Stop();
- k+ U& x/ t% e$ N- H) r2 N0 x
Delay(10);
6 \& o2 F# H' U) K) o& Z
TM1640_Start();
: ~( \/ ]/ X7 N9 |! J' b
TM1640_Write_Byte(0xC0);
, v3 D: S6 X; X! ~7 w4 V
for(i = 0; i < 5; i++)
/ s" ~ T& T5 w5 @
{
. {. s/ `; u' _! v; X
TM1640_Write_Byte(*(Dat++));
. K& B( g' {" W
}
5 Z R9 @/ E# o w
TM1640_Stop();& D5 r0 E- O+ q# `3 s- [
}
4 N- W5 K6 r- \1 W7 [3 V. T( n
4 u1 m5 c7 w, B
void TM1640_Clear_C5(void), X" v; b0 V, g9 g) n
{9 D' j5 t) E# |
TM1640_Start();
7 A) d- W% |# `, Q2 x" [. i
TM1640_Write_Byte(0x44);
, r3 [+ v$ T n5 c
TM1640_Stop();
( t: z$ [3 K" P( M
Delay(10);' ~+ c% Z+ ~1 A: A4 T5 Z$ L
TM1640_Start();8 u4 I5 \% b" h: J# e9 v) G
TM1640_Write_Byte(0xC5);9 k$ [1 ~# M5 j! T' r( ^& t+ z3 p
TM1640_Write_Byte(0x00);
$ w. J9 P2 L0 a/ g
TM1640_Stop();$ c! M, t& j, Y% Y
TM1640_Start();
6 ~+ B; |5 y* z# D
TM1640_Write_Byte(0x44);
/ k* F' e/ w6 V: F
TM1640_Stop();
8 A: r4 G% L6 u5 ~
Delay(10);/ K/ F/ q$ p; i; I& i" t0 j
TM1640_Start();
* ~: A9 t6 C' H( @, j. y
TM1640_Write_Byte(0xCD);
' k* y$ Q ?6 j; \6 X( u
TM1640_Write_Byte(0x00);- s0 [0 O l6 |% w8 E3 e4 V3 f
TM1640_Stop();1 ~$ b- Z m; t: L% W# M2 E1 x
TM1640_2_Start();( ~( h' \& H! F, @) X
TM1640_2_Write_Byte(0xC4);
5 U" t- o$ b7 n# o) H
TM1640_2_Write_Byte(0x00);
6 F( {- X1 ~% }. H% l3 u9 `* T
TM1640_2_Stop();" Q+ f, ~6 N- A: b& t: A h" W
}
& I- j8 ^; A% b
' W% w5 p3 z! ]. F9 `% f
void TM1640_ClearAll(void)/ n7 F( |- ^# Q
{
, ^- m0 h- e5 G' C( s
uint8_t i;% |; O0 k& F0 i) [
TM1640_Start();: W5 W' l" e M1 h/ F
TM1640_Write_Byte(0x40);
5 c" n% G* |9 U. K: x4 J6 j9 R; J
TM1640_Stop();* Y4 w# o }6 y. ~7 n8 o' \1 g
Delay(10);# g! n; c) d, X" |
TM1640_Start();
7 C1 Y2 c v% n: U3 A) y
TM1640_Write_Byte(0xC0);
! P8 w! S: O9 U
for(i = 0; i < 16; i++)
' T g! G# w- S" N h. P! B
{! G( I" q* v f! A" V3 s( K
TM1640_Write_Byte(0x00);, o: [0 d4 L6 r% Q: M* t
}
# ~1 S" r' b, G* y: ~
TM1640_Stop();
4 J! t9 l6 I, @! u* h5 }+ @# m
TM1640_2_Start();
. U, V, c- |+ {- ?6 a
TM1640_2_Write_Byte(0x40);
0 q5 b6 a- c8 Y5 J/ I
TM1640_2_Stop();
) t1 k$ P6 E v* H; c4 p+ C" P8 s: @
Delay(10); `/ F% s5 V* }9 V& F
TM1640_2_Start();' C f4 I7 d/ I0 d" a5 \
TM1640_2_Write_Byte(0xC6);
/ J7 N( t) ]) C& ^
for(i = 0; i < 16; i++)
/ D5 B- z; d3 q8 p
{7 _ I. Q: p) L3 [; n
TM1640_2_Write_Byte(0x00);
1 ?; g* V0 @9 N3 ]0 _
}
" r$ i7 @. t5 {* x. g6 u
TM1640_2_Stop(); * W1 q5 H5 B, L
}
7 p9 l( r( p: q/ y; d
# t* g) Q9 p& t+ q5 q
void TM1640_Bit2(uint8_t *Dat)1 i ?" G( `9 R/ E
{% i5 _+ i9 K2 c
uint8_t i;2 t( u1 U7 A( m
TM1640_Start();
. m D+ Y* |* ^; r
TM1640_Write_Byte(0x40);% `. O3 ~6 p9 i- c3 o+ ]/ W ]
TM1640_Stop();2 r5 e" ?9 W4 D: v" w
Delay(10);, s& J8 k/ U+ C8 R
TM1640_Start();' R/ [! l/ b t. L, x0 G
TM1640_Write_Byte(0xC6);- Z( u$ b8 M8 {% _4 Y
for(i = 0; i < 5; i++)0 `* l: K2 d+ u9 C) j7 I
{
; U0 Y0 V9 u: a- }7 Z
TM1640_Write_Byte(*(Dat++));1 Q3 J3 q" U. I) ~" y0 \
}8 O6 Y+ J: E3 k
TM1640_Stop();
' g \! D. u2 c( b% ^+ v2 c
}
9 V8 k' b0 z9 ^& e8 B! M
1 k) U7 h, Z6 s0 h8 M& U
void TM1640_Bit3(uint8_t En)3 h6 G: ]( q, D3 y0 q$ S5 g
{
( N4 C9 r% R: T! ?
TM1640_Start();$ D+ L; x; E( D
TM1640_Write_Byte(0x44);9 w2 [5 ]3 ^9 r6 N. E2 v j4 ~
TM1640_Stop();* z9 z4 X& g! C1 N
Delay(10);
4 t2 s4 \) e+ u9 [; Q% h
TM1640_Start();
" n- A a8 e$ n: s+ ], s' t
TM1640_Write_Byte(0xCC);" F" p( r/ A4 r) W% a5 w( w
if(En)
0 K9 }: ]+ M+ y# k0 m
TM1640_Write_Byte(NUM[10][2]);
6 l3 {4 D# q& p- }% A
else
3 r/ _* \4 O; W/ ?
TM1640_Write_Byte(0x00);% X) U1 r2 n. ~' H7 g! D
TM1640_Stop();8 |; `! }. ], ~& V1 r7 c/ p4 n w7 O
}, d: X+ |6 q. O
0 R4 U7 T$ a- N( _$ T7 ]; e
void TM1640_2_Bit4(uint8_t *Dat)
% ]8 o) d8 v' s9 z' M; G3 p& T
{
5 u: Q/ T( x# E' D
uint8_t i;
; J. \' u: @! C- Z7 X9 {. l8 C
TM1640_Start();7 I4 [% K9 W2 B* r
TM1640_Write_Byte(0x44);, z: v7 S, z/ B3 R* B
TM1640_Stop();
$ A. {" j; [" S5 m, I0 ^9 q
Delay(10);- }8 T) ?+ l! W1 b; R5 T
TM1640_Start();
/ e3 K( A$ e9 @6 `& U0 N( a \' M
TM1640_Write_Byte(0xCE);3 M- B4 D' R* w3 [0 s- p9 ]# l
TM1640_Write_Byte(*(Dat++));8 o0 O# Y4 y5 {' k/ X) M
TM1640_Stop();- \; O# }, Z9 [
TM1640_2_Start();0 p9 ]- e" u) h9 E: D) e
TM1640_2_Write_Byte(0x44);
& H8 J* B, e+ X; K8 `9 x
TM1640_2_Stop();; E6 n' U8 w; U, ]# |$ Y
Delay(10);5 f0 k. |! [$ {2 T
TM1640_2_Start();
& d8 u2 A+ s ]# R
TM1640_2_Write_Byte(0xC0);/ c6 r1 _& h" e) }
for(i = 1; i < 5; i++)/ ` c6 }# l3 T7 I
{
; N+ \9 M2 x& M/ P6 ~+ T! T0 {
TM1640_2_Write_Byte(*(Dat++));
& d ~' `" ?7 q: q- A+ X
}
) o8 d4 k& Y& {4 X
TM1640_2_Stop();
; ^6 o, ]3 j) \ P$ ^! r
}
1 z, F ]; W9 y
5 a5 W0 N: Q6 _1 a7 m" Z+ m
void TM1640_2_Bit5(uint8_t *Dat)2 _" B; q4 ~2 k( g# U3 Z/ S
{: k) j; t- P7 n3 O6 U: H
uint8_t i;* q6 J0 o+ U2 Z8 N0 r; u3 F4 D
TM1640_2_Start();% W+ i8 P+ {* r# i# P" B2 O" p
TM1640_2_Write_Byte(0x40);
! X( V! e! a1 d' V! B# I
TM1640_2_Stop();
4 _9 ?0 C9 H) U N N7 }4 K
Delay(10);
* X2 ~- M, U; f0 R
TM1640_2_Start();
% n& @0 m3 G; |3 H
TM1640_2_Write_Byte(0xC5);
0 Z5 d+ Q" R0 L, V9 F6 z" t9 [
for(i = 0; i < 5; i++)) D) _1 `: d1 W& b- W
{
! Q% u7 v# ?0 R3 M( i/ l
TM1640_2_Write_Byte(*(Dat++));
9 X6 `7 d0 C q
}0 d j" k j8 w b K# q
TM1640_2_Stop();
: V" Q8 O" N1 z" [& y$ @1 S
}