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AT83C5111-TDRIL Datasheet(PDF) 5 Page - ATMEL Corporation |
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AT83C5111-TDRIL Datasheet(HTML) 5 Page - ATMEL Corporation |
5 / 86 page 5 AT8xC5111 4190A–8051–11/02 Pin Configuration Pin Descriptions XTAL1 P1.7/CEX4 P4.7/AIN7 1 VCC P1.6/CEX3 P3.1/TxD P1.3/CEX0 P1.2/ECI P1.4/CEX1 P4.4/MISO/AIN4 P4.6/SPSCK/AIN6 P4.5/MOSI/AIN5 P4.3/ INT1/AIN3 P4.2/ SS/AIN2 P4.1/AIN1/T1 P4.0/AIN0 P3.0/RxD 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 P1.5/CEX2 P3.3/T0 P3.2/INT0 SO24 DIL24 VREF VSS RST/VPP XTAL2 XTAL2 XTAL1 VREF 1 AVCC P1.6/CEX3 P3.1/TxD P1.3/CEX0 P1.2/ECI P1.4/CEX1 P4.4/MISO/AIN4 P4.6/SPSCK/AIN6 P4.5/MOSI/AIN5 P4.3/ INT1/AIN3 P4.2/ SS/AIN2 P4.1/AIN1/T1 P4.0/AIN0 P3.0/RxD 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 P1.5/CEX2 P3.3/T0 P3.2/INT0 SSOP24 VSS AVSS VCC RST/VPP Mnemonic Type Name and Function V SS I Ground: 0V reference V CC I Power Supply: This is the power supply voltage for normal, idle and power-down operation. VREF I VREF: A/D converter positive reference input RST/VPP I RST/V PP: Reset/Programming Supply Voltage: A low on this pin for two machine cycles while the oscillator is running, resets the device. This pin has no pull-up. In order to use the internal power-on reset, an external pull-up resistor must be connected. This pin also receives the 12V programming pulse which will start the EPROM programming and the manufacturer test modes. XTAL1 I XTAL1 : Input to the inverting oscillator amplifier and input to the internal clock generator circuits XTAL2 O XTAL2 : Output from the inverting oscillator amplifier P1.2 - P1.7 I/O Port 1: Port 1 is an 6-bit programmable I/O port . See Section “Ports”, page 18 for a description of I/O ports. Alternate functions for Port 1 include: I/O ECI (P1.2): External Clock for the PCA I/O CEX0 (P1.3): Capture/Compare External I/O for PCA module 0 I/O CEX1 (P1.4): Capture/Compare External I/O for PCA module 1 I/O CEX2 (P1.5): Capture/Compare External I/O for PCA module 2 I/O CEX3 (P1.6): Capture/Compare External I/O for PCA module 3 I/O CEX4 (P1.7): Capture/Compare External I/O for PCA module 4 P3.0 - P3.3 I/O Port 3: Port 3 is an 6-bit programmable I/O port with internal pull-ups. See Section "Ports", page 18 for a description of I/O ports. Port 3 also serves the special features of the 80C51 family, as listed below. I/O RXD (P3.0): Serial input port I/O TXD (P3.1): Serial output port |
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