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SM8958AL25 Datasheet(PDF) 4 Page - SyncMOS Technologies,Inc |
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SM8958AL25 Datasheet(HTML) 4 Page - SyncMOS Technologies,Inc |
4 / 25 page September 2002 Specifications subject to change without notice,contact your sales representatives for the most recent information. 4/25 Ver 1.0 PID 8958A 09/02 SyncMOS Technologies Inc. SM8958A Pin Descriptions 40L PDIP Pin# 44L QFP Pin# 44L PLCC Pin# Symbol Active I/O Names 1 40 2 T2/P1.0 i/o timer 2 clock out & bit 0 of port 1 2 41 3 T2EX/P1.1 i/o timer 2 control & bit 1 of port 1 3 42 4 P1.2 i/o bit 2 of port 1 4 43 5 SPWM0/P1.3 i/o SPWM channel 0, bit 3 of port 1 5 44 6 SPWM1/P1.4 i/o SPWM channel 1, bit 4 of port 1 6 1 7 SPWM2/P1.5 i/o SPWM channel 2, bit 5 of port 1 7 2 8 SPWM3/P1.6 i/o SPWM channel 3, bit 6 of port 1 8 3 9 SPWM4/P1.7 i/o SPWM channel 4, bit 7 of port 1 9 4 10 RES H i Reset 10 5 11 RXD/P3.0 i/o Receive data & bit 0 of port 3 11 7 13 TXD/P3.1 i/o Transmit data & bit 1 of port 3 12 8 14 #INT0/P3.2 L/ - i/o low true interrupt 0 & bit 2 of port 3 13 9 15 #INT1/P3.3 L/ - i/o low true interrupt 1 & bit 3 of port 3 14 10 16 T0/P3.4 i/o Timer 0 & bit 4 of port 3 15 11 17 T1/P3.5 i/o Timer 1 & bit 5 of port 3 16 12 18 #WR/P3.6 i/o ext. memory write & bit 6 of port 3 17 13 19 #RD/P3.7 i/o ext. mem. read & bit 7 of port 3 18 14 20 XTAL2 o Crystal out 19 15 21 XTAL1 i Crystal in 20 16 22 VSS Sink Voltage, Ground 21 18 24 P2.0/A8 i/o bit 0 of port 2 & bit 8 of ext. memory address 22 19 25 P2.1/A9 i/o bit 1 of port 2 & bit 9 of ext. memory address 23 20 26 P2.2/A10 i/o bit 2 of port 2 & bit 10 of ext. memory address 24 21 27 P2.3/A11 i/o bit 3 of port 2 & bit 11 of ext. memory address 25 22 28 P2.4/A12 i/o bit 4 of port 2 & bit 12 of ext. memory address 26 23 29 P2.5/A13 i/o bit 5 of port 2 & bit 13 of ext. memory address 27 24 30 P2.6/A14 i/o bit 6 of port 2 & bit 14 of ext. memory address 28 25 31 P2.7/A15 i/o bit 7 of port 2 & bit 15 of ext. memory address 29 26 32 #PSEN o program storage enable 30 27 33 ALE o address latch enable 31 29 35 #EA L i external access & VPP 32 30 36 P0.7/AD7 i/o bit 7 of port 0 & data/address bit 7 of ext. memory 33 31 37 P0.6/AD6 i/o bit 6 of port 0 & data/address bit 6 of ext. memory 34 32 38 P0.5/AD5 i/o bit 5 of port 0 & data/address bit 5 of ext. memory 35 33 39 P0.4/AD4 i/o bit 4 of port 0 & data/address bit 4 of ext. memory 36 34 40 P0.3/AD3 i/o bit 3 of port 0 & data/address bit 3 of ext. memory 37 35 41 P0.2/AD2 i/o bit 2 of port 0 & data/address bit 2 of ext. memory 38 36 42 P0.1/AD1 i/o bit 1 of port 0 & data/address bit 1 of ext. memory 39 37 43 P0.0/AD0 i/o bit 0 of port 0 & data/address bit 0 of ext. memory 40 38 44 VDD Drive Voltage, +5 Vcc 17 23 P4.0 i/o bit 0 of Port 4 28 34 P4.1 i/o bit 1 of Port 4 39 1 P4.2 i/o bit 2 of Port 4 6 12 P4.3 i/o bit 3 of Port 4 |
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