BU24591

Optical ICs

2/7

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Block diagram

PWC01A

TMR03B

STP04A

BIX03A

ADC83A

8CH-8BIT

/ DIGITAL-IN

LCD07A

COMMON

GEN.

BIAS

GEN.

DISP.

SEGMENT

DRIVER

PWC

T0,T1

W0

∼W3

BIN

P00

∼P03

P10

∼P13

P20

∼P23

SCK0

SCK1

SIO1

SIN1

ADC0

∼7

COM0

∼3

SEG00

∼03

SEG04

∼07

SEG08

∼11

SEG12

∼15

SEG16

∼19

IRQ

IRQ

IRQ

STP

IRQ

STP

IRQ

IRQ

PIO11A

PIO11A

SIO04B

SIO04B

PIO11A

SIO0

SIN0

∗ PROM in not contained.

∗ The number of bits of ALU is 4.

∗ Address bus and data bus do not go out. (External memory cannot be addressed.)