LC72345W View Datasheet(PDF) - SANYO -> Panasonic

Part Name

Description

View to exact match

LC72345W

Low-Voltage ETR Controller with On-Chip DC-DC Converter

SANYO -> Panasonic 

Block Diagram

LC72344W, 72345W

XIN

XOUT

FMIN

AMIN

VSS

RES

TEST1

TEST2

PA0

PA1

PA2

PA3

PB0

PB1

PB2

PB3

PC0

PC1

PC2

PC3

INT/PD0

PD1

PD2

PD3

AIN

AOUT

AGND

VDC3

VDC1

VDC2

VCON

VREF

VADJ

DIVIDER

SYSTEM CLOCK

GENERATOR

1/2

1/16,1/17

REFERENCE DIVIDER

PROGRAMMBLE DIVIDER

PHASE

DETECTOR

EO

1/2

1/2

1/2

*

P-ON

RESET

BUS

DRIVER

*

DATA

LATCH

/

BUS

DRIVER

DATA

LATCH

/

BUS

DRIVER

DATA

LATCH

/

BUS

DRIVER

PLL DATA LATCH

PLL CONTROL

LCDA/B

S1

TIME BASE COUNT

CONTROL END

UNIVERSAL

COUNTER

(20 bits)

SEG

4 LA 7

LCPA/B

LCD

80 PORT

DRIVER

RAM

192 × 4 bits

(LC72344)

256 × 4 bits

(LC72345)

ADDRESS

DECODER

BANK

ROM

3k × 16 bits

(LC72344)

4k × 16 bits

(LC72345)

ADDRESS DECORDER

14

ADDRESS COUNTER

14

STACK

BUS

CONTROL

INSTRUCTION

DECODER

SKIP

JMP

CAL

RETURN

INTERRUPT

RESET

BANK CF

LATCH

A

ALU

LATCH

B

TIMER 0

JUDGE

MPX

(5 bits)

DATA BUS

DATA

LATCH

/

BUS

DRIVER

DATA

LATCH

/

BUS

DRIVER

COMMON

DRIVER

BEEP TONE

DATA

LATCH

MPX

/

BUS

DRIVER

MPX

DATA

LATCH

/

BUS

DRIVER

RC OSCILLATOR

CIRCUIT

S11

S12/PH3

S13/PH2

S14/PH1

S15/PH0

S16/PG3

S17/PG2

S18/PG1

S19/PG0

COM4

COM3

COM2

COM1

PE0/BEEP

PE0/BEEP

VDD

PF0/ADI0

PF1/ADI1

BATT

No. 6171-6/13

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