MSM64P155-001GS-BK View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM64P155-001GS-BK

4-Bit Microcontroller with Built-in LCD Driver and Melody Circuit

Oki Electric Industry 

¡ Semiconductor

BLOCK DIAGRAM

MSM64P155/64P155L

TR2

C

BA

TR0

(4)

ALU

PCM PCL

(4) (4)

HL

TR1

PCH

A8 to A11

A7 to A0

XY

BIAS

ROM

4064B

RAM

256N

DB7 to DB0

(8)

COM1

COM2

COM3

COM4

LCD SEG0

SEG59

OSC0

CLK

OSC1

RESET RST

TST1

TST2 TST

TST3

VSS

TIMING

SP

CONTROLLER

ROMR

TBC 4

INT

(8)

PORT ADDRESS

DB7 to DB0

INT

INT

INTC

INT

MD0

MD0

MD0

INT

MD1

MD1

MD1

INT

INT

BUP CAPR PORT2 EVENT PORT3 PORT4 PORT6 PORT7

is the CPU core (nx-4/20).

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