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UPD8049 fiches techniques PDF

NEC - HIGH PERFORMANCE SINGLE CHIP 8-BIT MICROCOMPUTERS

Numéro de référence UPD8049
Description HIGH PERFORMANCE SINGLE CHIP 8-BIT MICROCOMPUTERS
Fabricant NEC 
Logo NEC 





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UPD8049 fiche technique
NEe Microcomputers, Inc.
NEe
p.PD8049
p.PD8039L
HIGH PERFORMANCE
SINGLE CHIP8-BIT MICROCOMPUTERS
DESCRIPTION
The NEC /.IPDS049 and /.IPDS039L are single chip 8-bit microcomputers. The processors
differ only in their internal program memory options: the /.IPDS049 has 2K x S bytes
of mask ROM and the /.IPDS039L has external program memory. Both of these devices
feature new, high performance 11 MHz operation.
F EATU R ES
• High Performance 11 MHz Operation
• Full',' Compatible with Industry Standard S049/S039
• Pin Compatible with the./.IPD8048/S74S/S035
• :'JMOS Silicon Gate Technology Requiring a Single +5V ±10%Supply
• 1.36/.1s Cycle Time. All Instructions 1 or 2 Bytes
• Programmable Interval Timer/Event Counter
• 2K x 8 Bytes of ROM, 12S x S Bytes of RAM
• Single Level Interrupt
• 96 Instructions: 70 Percent Single Byte
• 27 I/O Lines
• Internal Clock Generator
• Expandable with SOSOA/SOS5A Peripherals
• Available in Both Ceramic and Plastic 40-Pin Packages
PIN CONFIGURATION
TO
XTALl
XTAL2
RESEsTs
INT
EA
RD
PsEN
WR
ALE
DBO
DBl
DB2
DB3
DB4
DB5
DB6
DB7
Vss
/.IPD
8049/
8039L
Vee
Tl
P27
P26
P25
P24
P17
P16
P15 .
P14
P13
P12
Pll
Pl0
VDD
PROG
P23
P22
P21
P20
II
357

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