鈫?/div>
104 segments
3-input pins for serial data transfer (CE, CK, DI )
2-pin for 5-level AD converter (ARI, ALI)
2 display pins for direct displaying (DSP1, DSP2 )
INH
pin for blinking out display
BLOCK DIAG
RAM
*
*
*
*
S44 (DSP2)
S46 (DSP1)
S48 (DSP OUT)
S49 - S53 (ARLO1 - ARLO5)
COM1
COM2
S1
......
......
V
LCD
Common
Driver
OSC
Clock
Generator
LATCH & SEGMENT DRIVER ( 1 - 56 BITS)
LATCH & SEGMENT DRIVER ( 57 - 112 BITS)
S43
S44
S45
S46
S48
S49
ADC
S50
S51
S52
ADC
S47 (ARI)
S45 (ALI)
S53
INH
Shift Register (56 Bits) &
Function Decoder
V
DD
V
SS
CE
CK
DI
1