UPD75104A

更新时间： 2024-09-14 22:59:35

品牌	Logo	应用领域
日电电子 - NEC		计算机
页数	文件大小	规格书
66页	453K
描述
4-BIT SINGLE-CHIP MICROCOMPUTER

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中文翻译

获取价格

数据手册

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UPD75104A 数据手册

DATA SHEET

MOS INTEGRATED CIRCUIT

µPD75104A, 75108A

4-BIT SINGLE-CHIP MICROCOMPUTER

DESCRIPTION

µPD75108A is a 4-bit single-chip CMOS microcomputer having a data processing capability comparable to

that of an 8-bit microcomputer. Operating at high speeds, the microcomputer allows data to be manipulated

in units of 1, 4, or 8 bits. In addition, various bit manipulation instructions are provided to reinforce I/O

manipulation capability. Equipped with I/Os for interfacing with peripheral circuits operating on a different

supply voltage, outputs that can directly drive LEDs, and analog inputs, µPD75108A is suitable for controlling

such small equipments as cameras and VCRs.

Detailed functions are described in the following user’s manual. Be sure to read it for designing.

µPD751XX Series User’s Manual: IEM-922

FEATURES

• Internal memory

• Program memory (ROM)

: 8064 × 8 bits (µPD75108A)

: 4096 × 8 bits (µPD75104A)

• Data memory (RAM)

: 512 × 4 bits (µPD75108A)

: 320 × 4 bits (µPD75104A)

• Architecture “75X” rivaling 8-bit microcomputers

• 43 systematically organized instructions

• A wealth of bit manipulation instructions

• 8-bit data transfer, compare, operation, increment, and decrement instructions

• 1-byte relative branch instructions

• GETI instruction executing 2-/3-byte instruction with one byte

• High speed. Minimum instruction execution time: 0.95 µs (at 4.19 MHz, 5V)

• Instruction execution time change function: 0.95 µs/1.91 µs/15.3 µs (at 4.19 MHz)

• I/O port pins as many as 58

• Three channels of 8-bit timers

• 8-bit serial interface

• Multiplexed vector interrupt function

Unless there are differences among µPD75104A and 75108A functions, µPD75108A is treated as the

representative model throughout this manual.

The information in this document is subject to change without notice.

The mark ★ shows major revised points.

Document No. IC-2568A

(O. D. No. IC-7080B)

Date Published January 1994 P

Printed in Japan

NEC Corporation 1989

12 3 4 5 6 7...66

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