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¡ Semiconductor

MSM66101

¡ Semiconductor

MSM66101

OLMS-66K Series 16-Bit Microcontroller

GENERAL DESCRIPTION

The MSM66101 is a high performance microcontroller that employs OKI original nX-8/100 CPU

core. This chip includes a 16-bit CPU, ROM, RAM, I/O ports, multifunction 16-bit timers, 10-

bit A/D converter, serial I/O port, and pulse width modulator (PWM).

FEATURES

• 64K address space for program memory

:

Internal ROM : 12K bytes

• 64K address space for data memory

:

Internal RAM : 384 bytes

• High-speed execution

Minimum cycle for instruction

:

400ns @ 10MHz

• Powerful instruction set

:

Instruction set superior in orthogonal matrix

8/16-bit data transfer instructions

8/16-bit arithmetic instructions

Multiplication and division operation

instructions

Bit manipulation instructions

Bit logic instrucitons

ROM table reference instructions

• Abundant addressing modes

:

Register addressing

Page addressing

Pointing register indirect addressing

Stack addressing

Immediate value addressing

• I/O port

Input-output port

:

5 ports ¥ 8 bits

(Each bit can be assigned to input or output)

Input port

:

1 port ¥ 8 bits

• Built-in multifunctional 16-bit timer

:

2

Following 4 modes can be set for each timer :Auto-reload timer mode

Clock output mode

Capture register mode

Real time output mode

• Serial port

:

1 channel (UART mode with baud rate

generator)

• 12-bit pulse width modulator

:

2

• Watchdog timer

• Transition detector

:

4

• 10-bit A/D converter

:

8 channels

• Interrupts

Nonmaskable

:

1

Maskable

:

Internal 10/external 2

• Stand-by function

STOP mode

:

Software clock stop mode

HALT mode

:

Software CPU stop mode

HOLD mode

:

Hardware CPU stop mode

E2E1026-27-Y4

This version: Jan. 1998

Previous version: Nov. 1996