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SM8952A PDF даташит

Спецификация SM8952A изготовлена ​​​​«SyncMOS» и имеет функцию, называемую «8-Bit Micro-controller».

Детали детали

Номер произв SM8952A
Описание 8-Bit Micro-controller
Производители SyncMOS
логотип SyncMOS логотип 

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SM8952A Даташит, Описание, Даташиты
( 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 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
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
SM8951A/8952A
8 - Bit Micro-controller
with 4/8KB flash embedded
Features
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
4/8 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)
Low EMI (inhibit ALE)
Specifications subject to change without notice,contact your sales representatives for the most recent information.
1/17
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Taiwan
4F, No. 1 Creation Road 1,
Science-based Industrial Park,
Hsinchu, Taiwan 30077
TEL: 886-3-579-2926
886-3-579-2988
FAX: 886-3-579-2960
886-3-578-0493
Ver 1.0 PID 8951A/8952A 09/02









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SM8952A Даташит, Описание, Даташиты
SyncMOS Technologies Inc.
September 2002
Pin Configurations
SM8951A/8952A
P1.5
P1.6
P1.7
RES
RXD/P3.0
NC
TXD/P3.1
#INT0/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
6 5 4 3 2 1 44 43 42 41 40 39
7
8
38
37
9
10
SM8951A/8952A
36
11 ihhJ 35
12
13
44L PLCC
34
33
14 (Top View)
15
32
31
16 30
1718 19 20 21 22 23 24 25 26 27 28 29
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
#EA/VPP
NC
ALE
#PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P1.5
P1.6
P1.7
RES
RXD/P3.0
NC
TXD/P3.1
#INT0/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
44 43 42 41 40 39 38 37 36 35 34
1 33
2 32
3
4
SM8951A/8952A
31
30
5
ihhQ
29
6
7
44L QFP
28
27
8
(Top View)
26
9 25
10 24
11 23
12 13 14 15 16 17 18 19 20 21 22
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
#EA/VPP
NC
ALE
#PSEN
P2.7/A15
P2.6/A14
P2.5/A13
T2/P1.0
T2EX/P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RES
RXD/P3.0
TXD/P3.1
#INT/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
#WR/P3.6
#RD/P3.7
XTAL2
XTAL1
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 VDD
39 P0.0/AD0
38 P0.1/AD1
37 P0.2/AD2
36 P0.3/AD3
35 P0.4/AD4
34 P0.5/AD5
33 P0.6/AD6
32 P0.7/AD7
31 #EA/VPP
30 ALE
29 #PSEN
28 P2.7/A15
27 P2.6/A14
26 P2.5/A13
25 P2.4/A12
24 P2.3/A11
23 P2.2/A10
22 P2.1/A9
21 P2.0/A8
Specifications subject to change without notice,contact your sales representatives for the most recent information.
2/17
Ver 1.0 PID 8951A/8952A 09/02









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SM8952A Даташит, Описание, Даташиты
SyncMOS Technologies Inc.
September 2002
Block Diagram
Timer 2
Timer 1
Timer 0
Stack
Pointer
Decoder &
Register
128/256
bytes RAM
SM8951A/8952A
WDT
RES
Vdd
Vss
Reset
Circuit
Power
Circuit
to pertinent blocks
to whole chip
Buffer2
Acc
Buffer1
Interrupt
Circuit
to pertinent blocks
ALU
XTAL2
XTAL1
#EA
ALE
#PSEN
Timing
Generator
to whole system
PSW
Instruction
Register
Port 0
Latch
Port 1
Latch
Port 2
Latch
Port 3
Latch
Buffer
DPTR
PC
Incrementer
Program
Counter
Register
4/8 K
bytes
Flash
Memory
Port 0
Port 1
Port 2
Port 3
Driver & Mux Driver & Mux Driver & Mux Driver & Mux
8 8 88
Specifications subject to change without notice,contact your sales representatives for the most recent information.
3/17
Ver 1.0 PID 8951A/8952A 09/02










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