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參數(shù)資料
| 型號(hào)： | UPD75104A |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機(jī) |
| 文件頁數(shù)： | 1/66頁 |
| 文件大?。?/td> | 460K |
| 代理商： | UPD75104A |
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DESCRIPTION
μ
PD75108A 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,
μ
PD75108A 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.
μ
PD751XX Series User’s Manual: IEM-922
FEATURES
Internal memory
Program memory (ROM)
: 8064
×
8 bits (
μ
PD75108A)
: 4096
×
8 bits (
μ
PD75104A)
Data memory (RAM)
: 512
×
4 bits (
μ
PD75108A)
: 320
×
4 bits (
μ
PD75104A)
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
μ
s (at 4.19 MHz, 5V)
Instruction execution time change function: 0.95
μ
s/1.91
μ
s/15.3
μ
s (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
NEC Corporation 1989
Document No.
(O. D. No.
Date Published
Printed in Japan
IC-2568A
IC-7080B)
January 1994 P
DATA SHEET
MOS INTEGRATED CIRCUIT
μ
PD75104A, 75108A
4-BIT SINGLE-CHIP MICROCOMPUTER
The mark
#
shows major revised points.
The information in this document is subject to change without notice.
Unless there are differences among
μ
PD75104A and 75108A functions,
μ
PD75108A is treated as the
representative model throughout this manual.
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