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LC72345 Datasheet(PDF) 6 Page - Sanyo Semicon Device

Part # LC72345
Description  Low-Voltage ETR Controller with On-Chip DC-DC Converter
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC72345 Datasheet(HTML) 6 Page - Sanyo Semicon Device

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No. 6171-6/13
LC72344W, 72345W
PHASE
DETECTOR
REFERENCE DIVIDER
DIVIDER
SYSTEM CLOCK
GENERATOR
PROGRAMMBLE DIVIDER
1/16,1/17
SEG
LA
P-ON
RESET
1/2
TIME BASE
CONTROL
UNIVERSAL
COUNTER
(20 bits)
BANK
COUNT
END
ADDRESS
DECODER
DATA BUS
TIMER 0
JUDGE
ALU
CF
SKIP
BANK
LATCH
A
STACK
4
14
14
ADDRESS COUNTER
ADDRESS DECORDER
ROM
3k
× 16 bits
(LC72344)
4k
× 16 bits
(LC72345)
BUS
CONTROL
JMP
CAL
RETURN
INTERRUPT
RESET
INSTRUCTION
DECODER
PLL DATA LATCH
PLL CONTROL
DATA
LATCH
/
BUS
DRIVER
DATA
LATCH
/
BUS
DRIVER
BUS
DRIVER
XIN
XOUT
FMIN
PC2
PC1
PC0
PC3
PA3
PA2
PA1
PA0
TEST2
TEST1
RES
*
AMIN
S15/PH0
S14/PH1
S12/PH3
S13/PH2
LCD
PORT
DRIVER
LCPA/B
LCDA/B
EO
S11
S1
VSS
PB2
PB1
PB0
PB3
*
DATA
LATCH
/
BUS
DRIVER
PD2
PD1
INT/PD0
AGND
AOUT
AIN
PD3
LATCH
B
PE0/BEEP
COM1
COM2
COM3
COM4
S19/PG0
S18/PG1
S16/PG3
S17/PG2
DATA
LATCH
/
BUS
DRIVER
MPX
(5 bits)
MPX
MPX
BEEP TONE
COMMON
DRIVER
DATA
LATCH
/
BUS
DRIVER
DATA
LATCH
/
BUS
DRIVER
DATA
LATCH
/
BUS
DRIVER
7
80
BATT
PF1/ADI1
PF0/ADI0
PE0/BEEP
VDC3
VDC1
VDC2
VCON
VREF
VADJ
VDD
RC OSCILLATOR
CIRCUIT
1/2
1/2
1/2
RAM
192
× 4 bits
(LC72344)
256
× 4 bits
(LC72345)
Block Diagram


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