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HT1647_05 データシートの表示(PDF) - Holtek Semiconductor

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HT1647_05 Datasheet PDF : 17 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Block Diagram
O SCO
O SCI
CS
RD
WR
DB0
DB3
VDD
VSS
BZ
BZ
C o n tro l
&
T im in g
C ir c u it
D is p la y R A M
L C D D r iv e r /
B ia s C ir c u it
T o n e F re q u e n c y
G e n e ra to r
W a tc h d o g T im e r
&
T im e B a s e G e n e r a to r
COM 0
C O M 15
SEG 0
S E G 63
V LC D
IR Q
Pin Assignment
N o te :
C S : C h ip s e le c tio n
B Z , B Z : T o n e o u tp u ts
W R , R D : W R IT E c lo c k , R E A D c lo c k
D B 0 ~ D B 3 : D a ta b u s
C O M 0 ~ C O M 1 5 , S E G 0 ~ S E G 6 3 : L C D o u tp u ts
IR Q : T im e b a s e o r W D T o v e r flo w o u tp u t
HT1647
100
CS
1
RD
WR
DB0
DB1
DB2
DB3
VSS
O SCI
O SCO
VDD
V LC D
IR Q
BZ
BZ
T1
T2
T3
T4
NC
COM 0
COM 1
COM 2
COM 3
COM 4
COM 5
COM 6
COM 7
COM 8
COM 9
30
31
H T1647
1 0 0 Q F P -A
81
80
S E G 43
S E G 42
S E G 41
S E G 40
S E G 39
S E G 38
S E G 37
S E G 36
S E G 35
S E G 34
S E G 33
S E G 32
S E G 31
S E G 30
S E G 29
S E G 28
S E G 27
S E G 26
S E G 25
S E G 24
S E G 23
S E G 22
S E G 21
S E G 20
S E G 19
S E G 18
S E G 17
S E G 16
S E G 15
51
S E G 14
50
Rev. 1.30
2
November 10, 2005

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