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
; ~; c* a$ J$ h- ] o
{
7 i3 E# j1 `: R# r" \
Level1 = 0x88,
4 D, J; t. @8 k1 S4 `& T; Q
Level2,; c3 U; S! d8 {3 ^
Level3,6 ]' [ g( h* Y5 Q
Level4,
2 ~# e# m2 i; y0 E+ u6 Q- ?7 K; f
Level5,
; }4 n, O: w/ ~* z: {8 }3 T8 Y* q
Level6,
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Level7,
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Level8,
5 @: o0 v* e# M' ^. n: K0 L
LEDOFF = 0x80
/ i0 b. _: C2 M. h, J! n
};
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. ^% D' ^& ]* D/ [+ U# n/ U, X
uint8_t NUM[11][5] =
" C* ]3 z* E! c8 @
{
+ |! a2 y- I9 e! ?% {5 I& Y
{0xFF, 0x41, 0x41, 0x41, 0xFF},//0. w% B7 \) k9 y- s y1 H3 ~5 k
{0x00, 0x00, 0x7F, 0x00, 0x00},//1
3 S: C# q5 d4 A- U/ ]1 R3 X% ^) X1 P
{0x79, 0x49, 0x49, 0x49, 0x4F},//2
; J( z d4 d y" A
{0x49, 0x49, 0x49, 0x49, 0xFF},//31 E5 S2 h4 `: Y) G8 q6 X2 ]0 }
{0x0F, 0x08, 0x08, 0x08, 0xFF},//4
, A. X5 l: T8 ~! v2 y# J7 `, B3 u0 q
{0x4F, 0x49, 0x49, 0x49, 0x79},//5% m4 A2 E3 z( i
{0xFF, 0x49, 0x49, 0x49, 0x79},//6
0 l4 s" K' L6 _
{0x01, 0x01, 0x01, 0x01, 0xFF},//7
; u' G" @/ B: a% ~6 K
{0xFF, 0x49, 0x49, 0x49, 0xFF},//8% h* A2 T% c( l$ R6 }- j$ d- ?
{0x4F, 0x49, 0x49, 0x49, 0xFF},//9: I9 K8 ]% X1 a9 p% Q( R2 ?
{0x00, 0x00, 0x22, 0x00, 0x00},//:
" e6 ]9 h3 q1 @. m0 ^$ W
};
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void TM1640_GPIO_Init(void)5 D/ Q( y+ O5 _+ _& p$ b8 Q
{, s$ i/ A: {5 N h9 Z1 A) {- [
GPIO_Init(GPIOA, (GPIO_Pin_TypeDef)(GPIO_PIN_1), GPIO_MODE_OUT_PP_HIGH_FAST);
" u% Z& z1 v2 R! \+ U n
GPIO_Init(GPIOA, (GPIO_Pin_TypeDef)(GPIO_PIN_2), GPIO_MODE_OUT_PP_HIGH_FAST);
8 ]/ ~8 J: C& C1 t! V; p
GPIO_Init(GPIOC, (GPIO_Pin_TypeDef)(T2_Din | T2_Clk), GPIO_MODE_OUT_PP_HIGH_FAST);! A+ ]( }% n3 T2 ^7 p( Y
}# F0 z9 ^' X( n0 Y" {
0 |2 }6 n. }+ |* d7 R, x" X
/ j( h8 d8 U# x9 F! ]: @4 w
void Delay(uint16_t nCount)
9 T$ t& p+ B' m0 X% l7 j
{
0 n Y' B$ }! p/ g& m) T, R- @
while (nCount != 0)
, ?/ f" \) K( y
{
) k" [: k# t3 T" |
nCount--; ' O2 {7 _4 Q' u# n! N
}1 s- u; [, r$ b3 F# [- A; `+ [
}4 ?. [$ ]* ^& ~& W; `) T# _
; V6 @% X# S3 h9 `
void TM1640_Start(void)
* q" x6 L( }' M. i+ C5 ~
{
% |4 w" r/ \8 p' \* u
GPIO_WriteHigh(GPIOA, T1_Clk);
. i S& I* ^" v! J# h; e
Delay(10);0 e) x' y6 w4 K% U5 q& _
GPIO_WriteHigh(GPIOA, T1_Din);* S0 H) ] V% L* \4 X# R
Delay(10);# [6 N3 W( [" l, p7 N% y
GPIO_WriteLow(GPIOA, T1_Din);/ g2 @7 d: I! ] ?
Delay(10);
8 \) y/ \ u% p2 V; l6 `' q8 S& y$ t
GPIO_WriteLow(GPIOA, T1_Clk);5 Z1 |7 j; ]2 z4 R* m5 ^+ N
Delay(10); e9 z4 R% o* x+ C/ D0 ?: n0 J
}2 Y7 M% O5 w/ a4 ~$ m( |
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void TM1640_Stop(void)
* O9 ^ W% r5 x) \: Q
{* f! x: s. d6 _- N
GPIO_WriteLow(GPIOA, T1_Clk);) x7 N6 M; @6 X# U3 B/ }1 Z
Delay(10);
8 {4 ?# n1 y3 Q0 t" n& Q5 N" x
GPIO_WriteLow(GPIOA, T1_Din);
! }& m" U7 ~" H- @
Delay(10);$ R9 u S6 |# }$ p/ `9 h
GPIO_WriteHigh(GPIOA, T1_Clk);) n: V0 G8 \6 {: m; Z$ X+ C
Delay(10);
& L, r* T. q+ c9 L. j
GPIO_WriteHigh(GPIOA, T1_Din);% ]$ l: }8 _& ^$ i+ N5 n2 H
Delay(10);
. m, _$ V1 ?8 @
}& g: ?5 S" [4 ]6 R
+ @% `# j. d, s; ~
void TM1640_2_Start(void)6 G& {! u& Q* U0 k
{
7 b5 M" @/ g/ j( r
GPIO_WriteHigh(GPIOC, T2_Clk);
0 r- M6 W/ {( R/ d P
Delay(10);
4 y4 X w0 H: \
GPIO_WriteHigh(GPIOC, T2_Din);
E8 t! s! F. H; }+ ~- ^9 g
Delay(10);' a5 g8 d5 _ @+ C
GPIO_WriteLow(GPIOC, T2_Din);1 V( M4 }$ p% \$ x
Delay(10);
$ V% {2 H# O6 S1 m; k& K; X- W
GPIO_WriteLow(GPIOC, T2_Clk);+ c5 ^% W: A R' Z. X/ ~( d
Delay(10);
7 A3 l! d7 O" q9 E
}
[, x! G6 G* n& ^* N3 Y
s! Q( y% d, G& a' l* `
void TM1640_2_Stop(void)5 W' L f8 L N0 q9 e, A2 w
{. }( N% V/ k/ l2 R: Y
GPIO_WriteLow(GPIOC, T2_Clk);
m% L: o K) B X* ^1 B
Delay(10);7 ?: V' k/ _8 x
GPIO_WriteLow(GPIOC, T2_Din);
1 R2 p6 \* r: x9 w- L) U
Delay(10);
8 X: H) v) U5 [ k5 ~9 m
GPIO_WriteHigh(GPIOC, T2_Clk);
; P( n& u {# K9 W* `1 Z
Delay(10);
6 o$ h" \8 h9 Y8 Z! O0 R
GPIO_WriteHigh(GPIOC, T2_Din);
m! s+ K% g/ ?/ z) t
Delay(10);
' C$ Q/ v$ N3 Z! E ~- {, m
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: T0 [$ H! G% ~0 R; E5 }
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void TM1640_Write_Byte(uint8_t dat)4 N( C* W# O; K- _* d0 e3 {- T- z
{
7 s3 b+ q5 Q3 U& ^- L9 h8 V
uint8_t i;* a$ ]7 a3 Z; x! c
for(i = 0; i < 8; i++)
! Y# p w- p# ~3 C5 L
{7 t; h5 P0 p# W3 N) V7 z: {" U
GPIO_WriteLow(GPIOA, T1_Clk);
: U6 q& S' \/ b
if(dat & 0x01)" q/ M" ^( C# Y7 u7 j8 P8 X! L" i
{4 S. q, L3 K( N
GPIO_WriteHigh(GPIOA, T1_Din);
w- E4 g, t# |% m2 P; j1 T0 q
}
# Z; k& S* m2 z' w- W9 u
else6 g. Q5 f! @1 A. |; n5 x
{
" @5 R3 z2 n6 @4 ?6 _! |: E
GPIO_WriteLow(GPIOA, T1_Din);3 z( L' u( T5 ~5 p3 I
}
4 ^. b2 p. p$ @% J8 z
Delay(10);
) {) i3 m3 D. A/ ^* Y! q
GPIO_WriteHigh(GPIOA, T1_Clk);
* Z P1 ]- ?$ z6 [' Q' l; e1 i
Delay(10);
# N( o, [; k8 k% f
dat >>= 1;" z8 L3 v8 h+ R% K! C" S7 {' |
}
5 f$ O8 `: W2 h* E; B$ P6 c
GPIO_WriteLow(GPIOA, T1_Clk);
2 }8 v [8 z& Y! h+ e
Delay(10);" z5 {2 N% ?$ o( g3 v7 A( n
}3 W; x4 Q1 e z$ W
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void TM1640_2_Write_Byte(uint8_t dat)
6 s% S% f: g% H& V8 x" \5 y
{, w0 q }' _* G; Q4 ~ A
uint8_t i;1 x* v# ~' K5 i v
for(i = 0; i < 8; i++)) B- s" J3 m- C) x1 [; [5 C
{2 F3 }' j4 J* a, n8 }1 K2 ]
GPIO_WriteLow(GPIOC, T2_Clk);
, Q1 L. k3 f7 H' g
if(dat & 0x01)
, i( m( _6 w" a9 @( }; W; }) t
{
, p! z" S+ N# [) Q
GPIO_WriteHigh(GPIOC, T2_Din);6 s. S' X/ a% [
}
4 T% x+ S" D% D
else/ P1 p: o2 h0 A* i
{
$ U( M3 `4 ~7 I6 T# d
GPIO_WriteLow(GPIOC, T2_Din);
4 v' J) c6 Z$ Q' F$ X; \0 J
}7 _* d b! [" r7 q' t0 l) [5 A
Delay(10);
, O* y6 q) b2 r# P, A/ g& f7 _
GPIO_WriteHigh(GPIOC, T2_Clk);
3 l7 q2 C1 @$ K5 ^! R! b$ h+ o
Delay(10);
$ C( x" y- K( j' g) f4 r+ a$ u
dat >>= 1;# p8 L2 L. u1 O" A" i! g# N/ l
}
; x9 J; b2 T" h- B& s
GPIO_WriteLow(GPIOC, T2_Clk);: F2 Z4 P$ N s& L# l3 P
Delay(10);
* C& S7 c, Q- _$ }7 X
}
5 y+ n0 i' V& |; x* K
- E. `* M1 c& ~* i9 x6 l z
5 J0 y. P) M. s' q0 I
void TM1640_Init(void)
1 Q$ w; k8 I3 ~* c6 d
{
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TM1640_GPIO_Init();
' M# u6 {( E/ L( w
Delay(10);
! E3 t" B+ |4 p/ a
TM1640_Start();
J z+ |7 @& {0 D* k& D$ G
TM1640_Write_Byte(Level8);
/ y5 G7 F# H1 f% G$ a
TM1640_Stop(); m/ T/ ?1 _2 Q3 T- `' v) b
TM1640_2_Start();
* E2 f0 a$ I' R/ p7 Y/ r! O
TM1640_2_Write_Byte(Level8);) @+ s( |! X) l7 @
TM1640_2_Stop();
$ U- _. {% j( }0 ?$ i
}
% l: |" X6 k. R5 u+ \: p6 _
$ `2 q' B/ j/ T0 i3 x) k$ b
+ a2 V& I! f- G% V, I) O2 i R
void TM1640_Bit1(uint8_t *Dat)+ W# O5 I9 P+ z' `" N) \
{
) t/ k2 S- C" W. i+ g
uint8_t i;4 v* n: N W0 K1 f# |& s [" J Z
TM1640_Start();
, n; X: g2 y; x1 @0 Y4 k& ~
TM1640_Write_Byte(0x40);' L9 Z& C' \% [6 `+ |! \ m$ K$ s) V
TM1640_Stop();
9 t' h% M- J7 |3 Z+ L) a
Delay(10);
: R& a2 [; \9 V8 Y
TM1640_Start();- p& D, e- ^( _0 K: p) X r$ \5 k
TM1640_Write_Byte(0xC0);
& v9 `4 J; m& b* [
for(i = 0; i < 5; i++)
% N+ ~9 M4 L5 r g& [# ~; p
{
* n) Z* Y+ j- Z2 a7 T+ [: R
TM1640_Write_Byte(*(Dat++));: P# G# `) R5 ]( C, f" ]" T
}- _8 q) i) w; Z, c7 E) b6 |
TM1640_Stop();- k5 r1 ]3 J# M- F, b
}. V/ t q7 g; j6 l$ s' s% m' Q
) H& v' O3 x5 n
void TM1640_Clear_C5(void)! R0 {6 {2 F$ L$ R: y
{- d8 L( ^) _/ a8 r
TM1640_Start();: r# q5 b# D" s1 v1 g
TM1640_Write_Byte(0x44);) U: r* r. Y, S. h" Q2 x+ w
TM1640_Stop();
5 {$ R/ d; D/ n1 k8 z3 o
Delay(10);9 j4 Y- b2 J7 B( y
TM1640_Start();
, [" d. e p# E; `
TM1640_Write_Byte(0xC5);
, d! v3 w, B4 Z- X4 B( U
TM1640_Write_Byte(0x00);
+ Z3 R H8 L: _1 c/ z" x
TM1640_Stop();
. M( Z5 ~5 \% ^9 V- K( Z
TM1640_Start();
' q0 c) V# h. [1 P- v$ W
TM1640_Write_Byte(0x44);
8 t/ C" Y. J( ]* c/ G
TM1640_Stop();
( a3 @6 g0 k$ z. k$ |6 x h
Delay(10);" r* n3 Z3 e( n
TM1640_Start();! u' S4 g- S2 c! s: v
TM1640_Write_Byte(0xCD);- u! P H) [7 v
TM1640_Write_Byte(0x00);3 t \" q6 N; M5 v
TM1640_Stop();
) o9 p/ H, p( x6 w! d3 l) D. V
TM1640_2_Start(); {7 N* L# ?9 \# R1 c. \
TM1640_2_Write_Byte(0xC4);) d( d% |& i# f: \
TM1640_2_Write_Byte(0x00);. X1 d" N/ G5 m/ l( R; _ q% w5 C
TM1640_2_Stop();3 H$ n3 X9 F5 ]% B: o2 x7 b
}6 L r7 ~4 ~, d8 D3 I
3 @& V9 i. Y- }
void TM1640_ClearAll(void)
# Q2 f' K8 v; H3 c& w2 n
{* X$ b! M5 ?) l. d7 A: K! U) O. k
uint8_t i;
6 k% Z; b' L% x2 n4 X0 o! x
TM1640_Start();
3 A3 U7 s3 R3 ~/ C& O F
TM1640_Write_Byte(0x40);1 d3 p% V3 z2 e9 P% B4 p
TM1640_Stop();/ a) `. w8 ]* f& Y8 `
Delay(10);
/ g! K! H1 [. z- t# M
TM1640_Start();
7 R, ]9 ?& D/ N2 U
TM1640_Write_Byte(0xC0);) e. i4 d5 Z& W- ^- g& A' w
for(i = 0; i < 16; i++) m; ^' s* I4 X% H
{1 o' B( V4 M7 l# [+ z
TM1640_Write_Byte(0x00);
" m% ~3 R4 i6 w. l5 T0 H
}' q4 }7 Y" R1 S" K; a
TM1640_Stop();
# x/ Y- b# v, Z/ n; u6 B% w( U
TM1640_2_Start();
7 H, C* G" G' c7 x
TM1640_2_Write_Byte(0x40);2 E' J! i: X+ F6 r. P
TM1640_2_Stop();0 K- u; u$ y7 k$ j
Delay(10);( k7 p# Q5 Z0 Z
TM1640_2_Start();
0 y+ X6 f9 A, d+ M/ i3 v7 N
TM1640_2_Write_Byte(0xC6);
% W7 Y3 X0 r. r1 R" h& r8 F
for(i = 0; i < 16; i++)
. B$ O: V& d' b0 r, R* h1 R
{
" \5 r& X3 b7 t) [
TM1640_2_Write_Byte(0x00);
7 S6 y3 R+ F3 ?" T. e1 A
}) H+ O/ b* o* X9 _, D9 I" L: _
TM1640_2_Stop();
; [+ ^) ^4 C( |8 H
}
) e7 i' ]# q8 c% @& z, j. P) v+ C9 W
' t$ m& V3 c/ Y7 Q7 M
void TM1640_Bit2(uint8_t *Dat)
; Q; Q- X' B7 S7 T
{
3 g1 x$ k- d" d, Q
uint8_t i;! J9 x- T. z* ]& D' h* U, M6 ^
TM1640_Start();
2 N* D8 F, g6 x/ f/ m
TM1640_Write_Byte(0x40);; l+ r' g% @4 C% p* M7 Y
TM1640_Stop();& j4 Y/ W; b: S2 ]2 i
Delay(10);5 v( H3 }3 J: j+ P0 u
TM1640_Start();7 |( z1 L) N9 N q! P/ c
TM1640_Write_Byte(0xC6);# W& u/ i+ ~6 L9 N& W/ `! t" l
for(i = 0; i < 5; i++)4 E# j F4 q0 ` v r
{( W. V* g' @. x% z9 p$ `( u2 b
TM1640_Write_Byte(*(Dat++));
! Z G5 f0 \$ C9 h
}6 K% X, ~) \% O2 s
TM1640_Stop();# |+ K" U( C& J8 p h4 v6 ?7 u
}
/ N: N5 O" x- S8 s
2 S* }; V' q. R
void TM1640_Bit3(uint8_t En)) Z# b) o; j: R) e5 m
{% K% E' P. h8 J3 b
TM1640_Start();
$ W1 N" }$ d$ n2 H+ ]/ k
TM1640_Write_Byte(0x44);% y# m) m# N4 a& m3 P N! j' ]
TM1640_Stop();
! [) ?& |1 n4 h: M: j6 ~
Delay(10);4 s. v7 r: ~: I, |' T+ o ^( u
TM1640_Start();9 q% E' n# Z+ {2 `" d
TM1640_Write_Byte(0xCC);# ]" g! X7 y5 `$ n1 H, I+ ]
if(En)
& f( i% U& y5 v7 }
TM1640_Write_Byte(NUM[10][2]);, Z) I* s- Q1 z2 \9 q- J8 u4 Z
else! a9 `% l+ a K7 U7 X0 A" {
TM1640_Write_Byte(0x00);6 v/ t5 J$ C! X
TM1640_Stop();; [ f) U5 r) m8 ?) |
}3 Q" e$ g$ _9 |6 r5 s
: c8 k6 `1 @1 `: w! U9 y* u5 K) V* e
void TM1640_2_Bit4(uint8_t *Dat)$ u3 v; L3 E! B4 X
{* C! W# ?' u: r4 E8 U
uint8_t i;
9 y, u5 s |4 p; c% z& ?0 C( M; n
TM1640_Start();
, i' v5 U: ?' B& R! q
TM1640_Write_Byte(0x44);
- [; d% @5 b& q# R5 M4 {
TM1640_Stop();. o7 E: h+ j2 g) I3 F% s/ R
Delay(10);
4 H; d8 ~# x0 j
TM1640_Start();
1 t4 C8 S+ A) i9 a$ E
TM1640_Write_Byte(0xCE);
* C8 e4 z% `( k
TM1640_Write_Byte(*(Dat++));5 Z0 S7 \/ e6 H1 Y% U% I) m
TM1640_Stop();# `) l) {" s) p: z$ e! L: O& Q
TM1640_2_Start();- k( N8 H+ s1 f
TM1640_2_Write_Byte(0x44);
* A4 _1 }% ] c! O! o
TM1640_2_Stop();6 ] t- D9 a# h! `1 j, R4 ~. @
Delay(10);
' ~) S. m% |' ~, s9 t2 e
TM1640_2_Start();6 H+ y& h D. E; X
TM1640_2_Write_Byte(0xC0);
9 |7 c% z; R- C" f( r* f
for(i = 1; i < 5; i++)1 D3 x1 }) A* l8 I3 R4 x) P! O
{
9 k* p" e, y1 C! @( M& ]& P
TM1640_2_Write_Byte(*(Dat++));% c/ B7 T6 s' l* m: R% G
}
. ~- s8 ?4 ^& m1 v9 _& f
TM1640_2_Stop();3 R* n6 O5 a/ J( m/ d+ |+ m
}& [; n' d7 C5 p2 D' b8 X
5 w; F* e4 U, Z6 ~/ p: g" o
void TM1640_2_Bit5(uint8_t *Dat)
: Y+ t. R: O6 a; q/ y* z5 }) q
{
& g" | C! R! h! S3 y
uint8_t i;
W3 i9 O& b7 w! @0 L
TM1640_2_Start(); w* f$ k4 i) K1 z! X) x
TM1640_2_Write_Byte(0x40);: u5 T. Y" }" X
TM1640_2_Stop();" F* Z' y7 F4 C W* _
Delay(10);: S' S; o6 J. {- W; ]
TM1640_2_Start();6 W, H) w) b. d
TM1640_2_Write_Byte(0xC5);, a: i) W4 S8 H0 T0 ^% M" G! k& M# C
for(i = 0; i < 5; i++)$ s/ j% N: u1 j8 |, @, \! R; {
{
6 ?( ^" x! s5 u3 ^& S$ x6 `, i0 a/ E3 _
TM1640_2_Write_Byte(*(Dat++));
3 J$ y7 n2 j3 @- O$ \6 Q, V% A
}
: w2 p- V& F" {- k1 _+ u& I
TM1640_2_Stop();# Y' \' O5 N: U* T8 k8 d
}