SM2958C25

SyncMOS Technologies Inc. August 2000 SM2958 8 - Bit Micro-controller with 32KB flash embedded Product List SM2958C16, 16 MHz 8KB internal memory MCU SM2958C25, 25 MHz 8KB internal memory MCU SM2958C40, 40 MHz 8KB internal memory MCU Features Working voltage:4.5V through 5.5V General 8052 family compatible 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 commercial 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 SyncMOS Technologies Inc. August 2000 SM2958 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 6 5 4 3 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 P2.5/A13 P1.5 P1.6 P1.5 RES RXD/P3.0 NC TXD/P3.1 #INT0/P3.2 #INT1/P3.3 T0/P3.4 T1/P3.5 1 2 3 4 5 6 7 8 9 10 11 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 P0.2/AD2 P0.3/AD3 P1.4 P1.3 P1.2 NC VDD 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 SM2958 ihhJ 44L PLCC (Top View) SM2958 ihhQ 44L QFP (Top View) 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 #WR/P3.6 #RD/P3.7 XTAL2 XTAL1 VSS P2.2/A10 P2.3/A11 P2.4/A12 P2.0/A8 P2.1/A9 NC #WR/P3.6 #RD/P3.7 XTAL2 XTAL1 VSS P2.3/A11 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 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VDD P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 #EA/VPP ALE #PSEN P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 P2.3/A11 P2.2/A10 P2.1/A9 P2.0/A8 9 10 11 12 13 14 15 16 17 18 19 20 Specifications subject to change without notice,contact your sales representatives for the most recent information. 2/16 Ver 1.0 P2.2/A10 P2.4/A12 NC P2.0/A8 P2.1/A9 SM2958 ihhP 40L PDIP (Top View) PID 2958 08/00 SyncMOS Technologies Inc. August 2000 Block Diagram Stack Pointer Decoder & Register 256 bytes RAM SM2958 Timer 2 Timer 1 Timer 0 Buffer RES Reset Circuit to pertinent blocks Acc to whole chip Buffer2 Buffer1 DPTR Vdd Vss Power Circuit PC Incrementer Interrupt Circuit to pertinent blocks ALU Program Counter XTAL2 XTAL1 #EA ALE #PSEN Timing Generator to whole system PSW Register Instruction Register 32K bytes Port 0 Latch Port 1 Latch Port 2 Latch Port 3 Latch Flash Memory Port 0 Driver & Mux 8 Port 2 Port 3 Driver & Mux Driver & Mux Driver & Mux 8 8 8 Port 1 Specifications subject to change without notice,contact your sales representatives for the most recent information. 3/16 Ver 1.0 PID 2958 08/00 SyncMOS Technologies Inc. August 2000 Pin Descriptions 40L PDIP Pin# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 44L 44L QFP PLCC Symbol Pin# Pin# 40 2 T2/P1.0 41 3 T2EX/P1.1 42 4 P1.2 43 5 P1.3 44 6 P1.4 1 7 P1.5 2 8 P1.6 3 9 P1.7 4 10 RES 5 11 RXD/P3.0 7 13 TXD/P3.1 8 14 #INT0/P3.2 9 15 #INT1/P3.3 10 16 T0/P3.4 11 17 T1/P3.5 12 18 #WR/P3.6 13 19 #RD/P3.7 14 20 XTAL2 15 21 XTAL1 16 22 VSS 18 24 P2.0/A8 19 25 P2.1/A9 20 26 P2.2/A10 21 27 P2.3/A11 22 28 P2.4/A12 23 29 P2.5/A13 24 30 P2.6/A14 25 31 P2.7/A15 26 32 #PSEN 27 33 ALE 29 35 #EA/VPP 30 36 P0.7/AD7 31 37 P0.6/AD6 32 38 P0.5/AD5 33 39 P0.4/AD4 34 40 P0.3/AD3 35 41 P0.2/AD2 36 42 P0.1/AD1 37 43 P0.0/AD0 38 44 VDD I/O Active i/o i/o i/o i/o i/o i/o i/o i/o i i/o i/o i/o i/o i/o i/o i/o i/o o i i/o i/o i/o i/o i/o i/o i/o i/o o o i i/o i/o i/o i/o i/o i/o i/o i/o bit 0 of port 1 & timer 2 bit 1 of port 1 & timer control bit 2 of port 1 bit 3 of port 1 bit 4 of port 1 bit 5 of port 1 bit 6 of port 1 bit 7 of port 1 Reset bit 0 of port 3 & Receive data bit 1 of port 3 & Transmit data bit 2 of port 3 & low true interrupt 0 bit 3 of port 3 & low true interrupt 1 bit 4 of port 3 & Timer 0 bit 5 of port 3 & Timer 1 bit 6 of port 3 & ext. memory write bit 7 of port 3 & ext. memory read Crystal out Crystal in Sink Voltage, Ground bit 0 of port 2 & bit 8 of ext. memory address bit 1 of port 2 & bit 9 of ext. memory address bit 2 of port 2 & bit 10 of ext. memory address bit 3 of port 2 & bit 11 of ext. memory address bit 4 of port 2 & bit 12 of ext. memory address bit 5 of port 2 & bit 13 of ext. memory address bit 6 of port 2 & bit 14 of ext. memory address bit 7 of port 2& bit 15 of ext. memory address program storage enable address latch enable external access & VPP bit 7 of port 0 & data/address bit 7 of ext. memory bit 6 of port 0 & data/address bit 6 of ext. memory bit 5 of port 0 & data/address bit 5 of ext. memory bit 4 of port 0 & data/address bit 4 of ext. memory bit 3 of port 0 & data/address bit 3 of ext. memory bit 2 of port 0 & data/address bit 2 of ext. memory bit 1 of port 0 & data/address bit 1 of ext. memory bit 0 of port 0 & data/address bit 0 of ext. memory Drive Voltage, +5 VCC Names SM2958 H L/ L/ - L/ L/ - L L Specifications subject to change without notice,contact your sales representatives for the most recent information. 4/16 Ver 1.0 PID 2958 08/00 SyncMOS Technologies Inc. August 2000 Operating Conditions Symbol TA VCC5 Fosc 16 Fosc 25 Fosc 40 Description Ambient temperature under bias Supply voltage Oscillator Frequency Min. 0 4.5 3.0 3.0 3.0 Typ. 25 5.0 16 25 40 Max. 70 5.5 16 25 40 Unit. C V MHz MHz MHz SM2958C SM2958C16 SM2958C25 SM2958C40 Remarks SM2958 DC Characteristics (12MHz, typical operating conditions, valid for SM2958 series) Symbol VIL1 VIL2 VIH1 VIH2 VOL1 VOL2 VOH1 VOH2 IIL ITL ILI R RES C IO I CC Parameter Input Low Voltage Input Low Voltage Input High Voltage Input High Voltage Output Low Voltage Output Low Voltage Output High Voltage Output High Voltage Logical 0 Input Current Logical Transition Current Input Leakage Current Reset Pulldown Resistance Pin Capacitance Power Supply Current Valid port 0,1,2,3,4,#EA RES, XTAL1 port 0,1,2,3,4,#EA RES, XTAL1 port 0, ALE, #PSEN port 1,2,3,4 port 0 port 1,2,3,4,ALE,#PSEN port 1,2,3,4 port 1,2,3,4 port 0, #EA RES Vdd Min. -0.5 0 2.0 70%Vcc Max. 0.8 0.8 Vcc+0.5 Vcc+0.5 0.45 0.45 Unit V V V V V V V V V V uA uA uA Kohm pF mA mA uA Test Conditions Vcc=5V “ “ “ IOL=3.2mA IOL=1.6mA IOH=-800uA IOH=-80uA IOH=-60uA IOH=-10uA Vin=0.45V Vin=2.0V 0.45V