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VRS51C1000-40-QG-ISPV2 Datasheet(PDF) 3 Page - Ramtron International Corporation |
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VRS51C1000-40-QG-ISPV2 Datasheet(HTML) 3 Page - Ramtron International Corporation |
3 / 48 page VRS51C1000 ______________________________________________________________________________________________ www.ramtron.com page 3 of 48 VRS51C1000 DIP-40 Pin Descriptions TABLE 2: VRS51C1000 PIN DESCRIPTIONS FOR DIP40 PACKAGE DIP40 Name I/O Function T2 I Timer 2 Clock Out 1 P1.0 I/O Bit 0 of Port 1 T2EX I Timer 2 Control 2 P1.1 I/O Bit 1 of Port 1 3 P1.2 I/O Bit 2 of Port 1 PWM0 O PWM Channel 0 4 P1.3 I/O Bit 3 of Port 1 PWM1 O PWM Channel 1 5 P1.4 I/O Bit 4 of Port 1 PWM2 O PWM Channel 2 6 P1.5 I/O Bit 5 of Port 1 PWM3 O PWM Channel 3 7 P1.6 I/O Bit 6 of Port 1 PWM4 O PWM Channel 4 8 P1.7 I/O Bit 7 of Port 1 9 RESET I Reset RXD I Receive Data 10 P3.0 I/O Bit 0 of Port 3 TXD O Transmit Data & 11 P3.1 I/O Bit 1 of Port 3 #INT0 I External Interrupt 0 12 P3.2 I/O Bit 2 of Port 3 #INT1 I External Interrupt 1 13 P3.3 I/O Bit 3 of Port 3 T0 I Timer 0 14 P3.4 I/O Bit 4 of Port 3 T1 I Timer 1 & 3 15 P3.5 I/O Bit 5 of Port #WR O Ext. Memory Write 16 P3.6 I/O Bit 6 of Port 3 #RD O Ext. Memory Read 17 P3.7 I/O Bit 7 of Port 3 18 XTAL2 O Oscillator/Crystal Output 19 XTAL1 I Oscillator/Crystal In 20 VSS - Ground T2 / P1.0 T2EX / P1.1 P1.2 PWM0 / P1.3 PWM1 / P1.4 PWM2 / P1.5 PWM3 / P1.6 PWM4 / P1.7 RESET RXD / P3.0 TXD / P3.1 #INT0 / P3.2 #INT1 / P3.3 T0 / P3.4 T1 / P3.5 #WR / P3.6 #RD / P3.7 XTAL2 XTAL1 VSS VRS51C1000 DIP-40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 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 DIP40 Name I/O Function P2.0 I/O Bit 0 of Port 2 21 A8 O Bit 8 of External Memory Address P2.1 I/O Bit 1 of Port 2 22 A9 O Bit 9 of External Memory Address P2.2 I/O Bit 2 of Port 2 23 A10 O Bit 10 of External Memory Address P2.3 I/O Bit 3 of Port 2 & 24 A11 O Bit 11 of External Memory Address P2.4 I/O Bit 4 of Port 2 25 A12 O Bit 12 of External Memory Address P2.5 I/O Bit 5 of Port 2 26 A13 O Bit 13 of External Memory Address P2.6 I/O Bit 6 of Port 2 27 A14 O Bit 14 of External Memory Address P2.7 I/O Bit 7 of Port 2 28 A15 O Bit 15 of External Memory Address 29 #PSEN O Program Store Enable 30 ALE O Address Latch Enable 31 #EA / VPP I External Access Flash programming voltage input P0.7 I/O Bit 7 Of Port 0 32 AD7 I/O Data/Address Bit 7 of External Memory P0.6 I/O Bit 6 of Port 0 33 AD6 I/O Data/Address Bit 6 of External Memory P0.5 I/O Bit 5 of Port 0 34 AD5 I/O Data/Address Bit 5 of External Memory P0.4 I/O Bit 4 of Port 0 35 AD4 I/O Data/Address Bit 4 of External Memory P0.3 I/O Bit 3 Of Port 0 36 AD3 I/O Data/Address Bit 3 of External Memory P0.2 I/O Bit 2 of Port 0 37 AD2 I/O Data/Address Bit 2 of External Memory P0. 1 I/O Bit 1 of Port 0 & Data 38 AD1 I/O Address Bit 1 of External Memory P0.0 I/O Bit 0 Of Port 0 & Data 39 AD0 I/O Address Bit 0 of External Memory 40 VDD - Supply input |
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