HT56C668 datasheet(85/104 Pages) HOLTEK

85 / 104 page

Application Circuits

Application Circuit for HT56R67

HT56R67/HT56R668/HT56C668/HT56R678/HT56C678/HT56R688

Rev. 1.20

March 4, 2010

P A 0 / B Z

P A 1 / B Z

P A 2

P A 3 / P F D

P A 4 / T M R 2

P A 5 / T M R 3

P A 6 , P A 7

O S C 1

O S C 2

O S C

C i r c u i t

C O M / S E G

L C D

P a n e l

P B 0 / A N 0

P B 7 / A N 7

P D 0 / P W M 0

P D 3 / P W M 3

P D 6 / T M R 0

P D 7 / T M R 1

P D 4 / I N T 0

P D 5 / I N T 1

O S C C i r c u i t

O S C 1

O S C 2

C 1

C 2

R C S y s t e m O s c i l l a t o r

4 7 k W < R O S C < 1 . 5 M W

R O S C

O S C 1

O S C 2

V D D

4 7 0 p F

f S Y S / 4

O S C 3 , O S C 4 F l o a t i n g

O S C 3

O S C 4

O S C 3

O S C 4

O S C

C i r c u i t

C 1

C 2

V 1

V L C D 2

0 . 1 m F

V L C D 1

V D D

V M A X

O S C 3

O S C 4

C 3

C 4

P C 0 ~ P C 7

R P 1

R P 2

R E S / P A 7

V D D

V S S

0 . 1 m F

V D D

R e s e t

C i r c u i t

0 . 1 ~ 1 m F

1 0 k W ~

1 0 0 k W

3 0 0 W

0 . 0 1 m F

1 N 4 1 4 8

3 2 7 6 8 H z C r y s t a l

O s c i l l a t o r

F o r d e t a i l s r e g a r d i n g

C 3 , C 4 a n d R P 2 ,

c h e c k O s c i l l a t o r s e c t i o n

C r y s t a l / R e s o n a t o r

S y s t e m O s c i l l a t o r

F o r d e t a i l s r e g a r d i n g

C 1 , C 2 a n d R P 1 ,

c h e c k O s c i l l a t o r s e c t i o n

HT56C668 Datasheet(PDF) 85 Page - Holtek Semiconductor Inc

HT56C668 Datasheet(HTML) 85 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL