ML63295A

更新时间： 2024-11-28 10:54:23

品牌	Logo	应用领域
冲电气 - OKI		驱动器微控制器
页数	文件大小	规格书
38页	220K
描述
4-Bit Microcontroller with Built-in 3072-Dot Matrix LCD Driver and Melody Circuit

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ML63295A 数据手册

FEDL63295A-02

This version:

Previous version: Nov. 2000

Jul. 2001

Semiconductor

ML63295A

4-Bit Microcontroller with Built-in 3072-Dot Matrix LCD Driver and Melody Circuit

GENERAL DESCRIPTION

The ML63295A is a CMOS 4-bit microcontroller that employs Oki’s original CPU core nX-4/250.

The ML63295A operates on a power supply voltage of 6 V.

With built-in 3072-dot matrix LCD drivers (96 SEG. × 32 COM.), the ML63295A is suited for applications such as

electronic dictionaries with an LCD.

FEATURES

• Extensive instruction set

439 instructions:

Transfer, rotate, increment/decrement, arithmetic operations, compare, logic operations, mask operations,

bit operations, ROM table reference, external memory transfer, stack operations, flag operations, jump,

conditional branch, call/return, control

• Wide variety of addressing modes

Indirect addressing mode for 4 types of data memory with current bank register, extra bank register,

HL register and XY register

Data memory bank internal direct addressing mode

• Processing speed

2 clocks per machine cycle, with most instructions executed in 1 machine cycle

Minimum instruction execution time : 61 µs (@ 32.768 kHz system clock)

: 1 µs (@ 2 MHz system clock)

• Clock generation circuit

Low-speed clock : Crystal oscillation or RC oscillation selected with mask option

(30 kHz to 80 kHz)

High-speed clock: Ceramic oscillation or RC oscillation selected with software

(2 MHz max)

• Program memory space

32 K words

Basic instruction length is 16 bits/1word.

• Data memory space

2048 nibbles

• External data memory space

64 Kbytes (expandable furthermore by using the I/O ports)

• Stack level

Call stack level

: 16 levels

1/38

12 3 4 5 6 7...38

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