SM8952A ETC, SM8952A Datasheet

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SM8952A

Manufacturer Part Number
SM8952A
Description
Manufacturer
ETC
Datasheet

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www.DataSheet4U.com
Specifications subject to change without notice,contact your sales representatives for the most recent information.
( DataSheet : www.DataSheet4U.com )
Product List
SM8951A/8952AL25, 25 MHz 4/8KB internal memory MCU
SM8951A/8952AC25, 25 MHz 4/8KB internal memory MCU
SM8951A/8952AC40, 40 MHz 4/8KB internal memory MCU
Description
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 set, necessary to
make it a versatile and cost effective controller for those appli-
cations demand up to 32 I/O 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.
Ordering Information
yywwv
SM8951A/8952Aihhk
yy: year, ww:week
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}
Postfix
Q
P
J
SyncMOS Technologies Inc.
September 2002
40L PDIP
44L PLCC
44L QFP
Package
Configuration
Pin/Pad
page 2
page 2
page 2
Dimension
page 13
page 14
page 15
Features
1/17
Low EMI (inhibit ALE)
General 8052 family compatible
12 clocks per machine cycle
4/8 KB internal flash memory
128/256 bytes data RAM
2/3 16 bit timers/counters
Four 8-bit I/O ports
Full duplex serial channel
Bit operation instruction
Page free jumps
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)
Working voltage: 3.0V ~ 3.6V For L Version
4.5V ~ 5.5V For C Version
Taiwan
4F, No. 1 Creation Road 1,
Science-based Industrial Park,
Hsinchu, Taiwan 30077
TEL: 886-3-579-2926
FAX: 886-3-579-2960
Ver 1.0
886-3-579-2988
886-3-578-0493
with 4/8KB flash embedded
8 - Bit Micro-controller
SM8951A/8952A
PID 8951A/8952A 09/02

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SM8952A Summary of contents

Page 1

DataSheet : www.DataSheet4U.com ) SyncMOS Technologies Inc. September 2002 Product List SM8951A/8952AL25, 25 MHz 4/8KB internal memory MCU SM8951A/8952AC25, 25 MHz 4/8KB internal memory MCU SM8951A/8952AC40, 40 MHz 4/8KB internal memory MCU Description The SM8951A/8952A series product is an ...

Page 2

SyncMOS Technologies Inc. September 2002 Pin Configurations P1.5 8 P1.6 9 P1.7 SM8951A/8952A 10 RES ihhJ RXD/P3 44L PLCC TXD/P3.1 13 (Top View) #INT0/P3.2 14 ...

Page 3

SyncMOS Technologies Inc. September 2002 Block Diagram Timer 1 Timer 2 WDT to pertinent blocks RES Reset Circuit Vdd to whole chip Power Vss Circuit to pertinent blocks Interrupt Circuit XTAL2 XTAL1 to whole system #EA Timing ALE Generator #PSEN ...

Page 4

SyncMOS Technologies Inc. September 2002 Pin Descriptions 40L 44L 44L PDIP QFP PLCC Symbol Pin# Pin# Pin T2/P1 T2EX/ ...

Page 5

SyncMOS Technologies Inc. September 2002 SFR Memory MAP $F8 B $F0 $E8 ACC $E0 $D8 PSW $D0 T2CON $C8 $C0 IP $B8 P3 $B0 IE $A8 P2 $A0 SCON SBUF $98 P1 $90 TCON TMOD $ $80 Note: ...

Page 6

SyncMOS Technologies Inc. September 2002 Watch Dog Timer Registers - WDT Control Register (WDTC, $9F) WDTE Unused Reset 0 * value MSB WDTE : Watch Dog Timer enable bit CLEAR : Watch Dog Timer reset bit PS2 ~ PS0 : ...

Page 7

SyncMOS Technologies Inc. September 2002 Operating Conditions Symbol Description TA Operating temperature TS Storage temperature VCC5 Supply voltage VCC3 Supply voltage Fosc 16 Oscillator Frequency Fosc 25 Oscillator Frequency Fosc 40 Oscillator Frequency DC Characteristics (12MHz, typical operating conditions, valid ...

Page 8

... - 1/fosc nS ICC VCC RST SM8951A/ SM8952A XTAL2 XTAL1 VSS Ver 1.0 PID 8951A/8952A 09/02 Vcc ...

Page 9

SyncMOS Technologies Inc. September 2002 Application Reference Valid for SM8951A/8952A X'tal 3MHz 6MHz open open X'tal 16MHz 25MHz ...

Page 10

SyncMOS Technologies Inc. September 2002 Program Memory Read Cycle Timing T12 T1 T2 OSC ALE 1 #PSEN #RD,#WR PORT2 PORT0 Float Data Memory Write Cycle Timing T1 T2 T12 OSC 1 ALE #PSEN #WR PORT2 INST Float PORT0 Specifications subject ...

Page 11

SyncMOS Technologies Inc. September 2002 I/O Ports Timing inputs P0,P1 inputs P2,P3 Output by Mov Px,Src RxD at Serial Port Shift Clock (Mode 0) Timing Critical, Requirement of External Clock (Vss=0.0V is assumed) Vdd-0.5V 0.45V Tm.I External ...

Page 12

SyncMOS Technologies Inc. September 2002 Tm.II External Data Memory Read Cycle #PSEN ALE #RD TAVLL PORT 0 PORT 2 Tm.III External Data Memory Write Cycle #PSEN TLHLL ALE #WR TAVLL PORT 0 from Ri or DPL PORT 2 Specifications subject ...

Page 13

SyncMOS Technologies Inc. September 2002 40L 600mil PDIP Information Note: 1. Dimension D Max & include mold flash or tie bar burrs. 2. Dimension E1 does not include inter lead flash. 3. Dimension D & E1 ...

Page 14

SyncMOS Technologies Inc. September 2002 44L Plastic Chip Carrier (PLCC Note: 1. Dimension D & E does not include inter lead flash. 2. Dimension b1 does not include dam bar protrusion/ intrusion. 3. Controlling ...

Page 15

SyncMOS Technologies Inc. September 2002 44L Plastic Quad Flat Package Note: Dimension D1 and E1 do not include mold protrusion. Allowance protrusion is 0.25mm per side. Dimension D1 and E1 do include mold mismatch and are determined ...

Page 16

SyncMOS Technologies Inc. September 2002 Company Advantech 7F, No.98, Ming-Chung Rd., Shin-Tien City, Taipei, Taiwan, ROC Web site: http://www.aec.com.tw Caprilion P.O. Box 461 KaoHsiung, Taiwan, ROC Web site: http://www.market.net.tw/ ~ cap/ Hi-Lo 4F, No. 20, 22, LN, 76, Rui Guang ...

Page 17

SyncMOS Technologies Inc. September 2002 Feedback / Inquiry: :SyncMOS Technologies, Inc. To :MKT / Customer Service Dept. Attn :886-3-579-2960 Fax :886-3-578-0493 :886-3-579-2988 Tel :886-3-579-2926 : Request customer logo as below : Specifications subject to change without notice,contact your sales representatives ...

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