SM2958
SM2958 is 8 - Bit Micro-controller manufactured by SyncMOS.
Features
Working voltage:4.5V through 5.5V General 8052 family patible 12 clocks per machine cycle 32 KB internal flash memory 256 bytes data RAM Three16 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
Description
The SM2958 product is an 8
- bit single chip micro controller with 32 KB flash embedded. It provides hardware features and a powerful instruction set, necessary to make it a versatile and cost effective controller for those applications demand up to 32 I/O pins or need up to 32 KB flash memory either for program or for data or mixed. To program the flash block, a mercial programmer is capable to do it.
Ordering Information yyww SM2958ihhk yy: year, ww:week v: version identifier { , A, B, ...} i: process identifier {C} hh: working clock in MHz {16, 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 11 page 12 page 13
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
Specifications subject to change without notice,contact your sales representatives for the most recent information.
1/16
Ver 1.0
PID 2958 08/00 http://..
Sync MOS Technologies Inc.
August 2000
Pin Configurations
T2EX/P1.1 T2/P1.0 NC VDD P0.0/AD0 P0.1/AD1
T2EX/P1.1 T2/P1.0
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P1.4
P1.3 P1.2
1 44 43 42 41 40
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
7 8 9 10 11 12 13
39 38 37 36 35 34 33 32 31 30 29
P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 #EA/VPP NC ALE #PSEN P2.7/A15 P2.6/A14...
