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UPD75104AGC Datasheet

  • UPD75104AGC

  • 4-BIT SINGLE-CHIP MICROCOMPUTER

  • 66頁

  • NEC   NEC

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DATA SHEET
MOS INTEGRATED CIRCUIT
碌
PD75104A, 75108A
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
碌
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,
碌
PD75108A is suitable for controlling
such small equipments as cameras and VCRs.
Detailed functions are described in the following user鈥檚 manual. Be sure to read it for designing.
碌
PD751XX Series User鈥檚 Manual: IEM-922
FEATURES
鈥?/div>
Internal memory
鈥?Program memory (ROM)
: 8064
脳
8 bits (
碌
PD75108A)
: 4096
脳
8 bits (
碌
PD75104A)
鈥?Data memory (RAM)
: 512
脳
4 bits (
碌
PD75108A)
: 320
脳
4 bits (
碌
PD75104A)
鈥?/div>
Architecture 鈥?5X鈥?rivaling 8-bit microcomputers
鈥?/div>
43 systematically organized instructions
鈥?A wealth of bit manipulation instructions
鈥?8-bit data transfer, compare, operation, increment, and decrement instructions
鈥?1-byte relative branch instructions
鈥?GETI instruction executing 2-/3-byte instruction with one byte
鈥?/div>
High speed. Minimum instruction execution time: 0.95
碌
s (at 4.19 MHz, 5V)
鈥?/div>
Instruction execution time change function: 0.95
碌
s/1.91
碌
s/15.3
碌
s (at 4.19 MHz)
鈥?/div>
I/O port pins as many as 58
鈥?/div>
Three channels of 8-bit timers
鈥?/div>
8-bit serial interface
鈥?/div>
Multiplexed vector interrupt function
Unless there are differences among
碌
PD75104A and 75108A functions,
碌
PD75108A is treated as the
representative model throughout this manual.
The information in this document is subject to change without notice.
Document No. IC-2568A
(O. D. No. IC-7080B)
Date Published January 1994 P
Printed in Japan
The mark
5
shows major revised points.
漏
NEC Corporation 1989

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