SM8951A View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
SM8951A Datasheet PDF : 16 Pages
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SyncMOS Technologies International, Inc.
SM8951A/8952A
8-Bits Micro-controller
With 4/8KB flash embedded
Product List
Features
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SM8951A/8952AL25, 25MHz 4/8KB internal flash MCU
SM8951A/8952AC25, 25MHz 4/8KB internal flash MCU z
SM8951A/8952AC40, 40MHz 4/8KB internal flash MCU z
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Description
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The SM8951A/8952A series product is an 8-bit single
chip micro controller with 4/8 KB flash embedded. It
provides hard-ware features and a powerful instruction
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set, necessary to make it a versatile and cost effective z
controller for those applications demand up to 32 I/O z
pins or need up to 4/8 KB flash memory either for
program or for data or mixed.
To program the flash block, a commercial programmer
is capable to do it.
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Ordering Information
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yymmv
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SM8951A/8952AihhkL
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Working Voltage: 3.0V ~ 3.6V For L Version.
4.5V ~ 5.5V For C Version.
General 8052 family compatible
12 clocks per machine cycle
4/8K internal flash memory
256 bytes data RAM
2/3 16 bit timers/counters
Four 8-bit I/O ports
Full duplex serial channel
Bit operation instruction
Industrial Level
8-bit unsigned division
8-bit unsigned multiply
BCD arithmetic
Direct addressing
Indirect addressing
Nested interrupt
Two priority level interrupt
A serial I/O port
Power save modes:
Idle mode and Power down mode
Code protection function
One watch dog timer(WDT)
Low EMI (inhibit ALE)
yy: year, ww: month
v: version identifier{ , A, B,…}
i: process identifier {L=3.0V~3.6V,C=4.5V~ 5.5V}
hh: working clock in MHz {25, 40}
k: package type postfix {as below table}
L:PB Free identifier
{No text is Non-PB Free，”P”is PB Free}
Postfix
P
J
Q
Package
40L PDIP
44L PLCC
44L QFP
Pin / Pad
Configuration
Page 2
Page 2
Page 2
Dimension
Page 13
Page 14
Page 15/16
Taiwan
6F, No.10-2 Li- Hsin 1st Road ,
Science-based Industrial Park,
Hsinchu, Taiwan 30078
TEL: 886-3-567-1820
886-3-567-1880
FAX: 886-3-567-1891
886-3-567-1894
Specifications subject to change without notice contact your sales representatives for the most recent information.
1
Ver 2.1 SM8951A/8952A 08/2006
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