Table of Contents
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IC
LC75821W-DS (SANYO)
LCD DRIVER
- TOP VIEW -
49
56
V
(+3.0 to 6.5V)
DD
V
(+3.0 to V
)
LCD
DD
Vss
64
INPUT
CE
; CHIP ENABLE
CLK
; CLOCK
DATA
; SERIAL DATA
INH
; DISPLAY INHIBIT
OSC
; OSCILLATOR
IN/OUT
S1 to S53
; SEGMENT OUTPUT
OUT
COM1, 2
; COMMON OUTPUT
58
64
V
COM1
LCD
55
63
OSC
COM2
57
INH
1
S1
2
S2
3
S3
4
S4
23
S23
60
24
CE
OPEN
61
25
CLK
S24
62
26
DATA
S25
52
S51
53
S52
54
S53
58
COMMON
V
LCD
DRIVER
55
CLOCK
OSC
GENERATOR
57
INH
14-28
32
OPEN
24
17
LATCH1 & DRIVER (1~56bits)
LATCH2 & DRIVER (57~112bits)
SHIFT REGISTOR (56bits)
LM2901M (MOTOROLA)FLAT PACKAGE
NJM2901M-TE2
SINGLE SUPPLY COMPARATOR
–TOP VIEW–
1
14
2
13
V
GND
CC
3
12
– +
– +
4
11
5
10
– +
– +
6
9
7
8
MAX793SCSE (MAXIM)
PRECISION SUPPLY-VOLTAGE MONITOR
-TOP VIEW-
VOUT
1
16
VBATT
OUT
IN
2
V
15
RESET
CC ( +3V )
OUT
BATT OK
3
14
LOW LINE
OUT
PFI
4
13
RESET
IN
OUT
BATT ON
5
12
CE OUT
OUT
OUT
6
GND
11
CE IN
IN
PFO
7
10
WDI
OUT
IN
MR
8
9
WDO
IN
OUT
INPUT
CE IN
; CHIP ENABLE
MR
; MANUAL RESET
PFI
; POWER FAIL COMPARATOR
VBATT
; BACKUP BATTERY
WDI
; WATCH DOG
OUTPUT
BATT OK
; BATTERY OK MONITOR
BATT ON
; BACKUP BATTERY SWITCHING
CE OUT
; CHIP ENABLE
LOW LINE
; LOW POWER LINE
PFO
; POWER FAIL
RESET
; RESET HIGHT
RESET
; RESET LOW
VOUT
; VOLTAGE MONITOR
WDO
; WATCH DOG FAIL
5
BATT ON
16
1
VBATT
VOUT
11
12
CE IN
CE OUT
OUT
10
9
WDI
WDO
4
7
PFI
PFO
8
13
MR
RESET
15
RESET
14
LOW LINE
3
BATT OK
DSR-1/1P/V2
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