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AT89LP216 Datasheet(PDF) 3 Page - ATMEL Corporation |
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AT89LP216 Datasheet(HTML) 3 Page - ATMEL Corporation |
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3 / 96 page  3 3621C–MICRO–6/08 AT89LP216 3. Pin Description Table 3-1. Pin Description Pin Symbol Type Description 1P1.5 I/O I/O I P1.5: User-configurable I/O Port 1 bit 5. MOSI: SPI master-out/slave-in. When configured as master, this pin is an output. When configured as slave, this pin is an input. GPI5: General-purpose Interrupt input 5. 2P1.7 I/O I/O I P1.7: User-configurable I/O Port 1 bit 7. SCK: SPI Clock. When configured as master, this pin is an output. When configured as slave, this pin is an input. GPI7: General-purpose Interrupt input 7. 3P1.3 I/O I I I P1.3: User-configurable I/O Port 1 bit 3 (if Reset Fuse is disabled). RST: External Active-Low Reset input (if Reset Fuse is enabled, see Section 10.3 “External Reset” on page 15) GPI3: General-purpose Interrupt input 3. DCL: Serial Clock input for On-Chip Debug Interface when OCD is enabled. 4 GND I Ground 5P1.2 I/O I P1.2: User-configurable I/O Port 1 bit 2. GPI2: General-purpose Interrupt input 2. 6P3.0 I/O I P3.0: User-configurable I/O Port 3 bit 0. RXD: Serial Port Receiver Input. 7P3.4 I/O I/O P3.4: User-configurable I/O Port 3 bit 4. T0: Timer/Counter 0 External Input or PWM Output. 8P3.2 I/O I I/O P3.2: User-configurable I/O Port 3 bit 2. XTAL1: Input to the inverting oscillator amplifier and internal clock generation circuits. It may be used as a port pin if the internal RC oscillator is selected as the clock source. DDA: Serial Data input/output for On-Chip Debug Interface when OCD is enabled and the internal RC oscillator is selected as the clock source. 9P3.3 I/O O O I/O P3.3: User-configurable I/O Port 3 bit 3. XTAL2: Output from inverting oscillator amplifier. It may be used as a port pin if the internal RC oscillator is selected as the clock source. CLKOUT: When the internal RC oscillator is selected as the clock source, may be used to output the internal clock divided by 2. DDA: Serial Data input/output for On-Chip Debug Interface when OCD is enabled and the external clock is selected as the clock source. 10 P3.5 I/O I/O P3.5: User-configurable I/O Port 3 bit 5. T1: Timer/Counter 1 External input or PWM output. 11 P3.1 I/O O P3.1: User-configurable I/O Port 3 bit 1. TXD: Serial Port Transmitter Output. 12 VDD I Supply Voltage 13 P1.0 I/O I I P1.0: User-configurable I/O Port 1 bit 0. AIN0: Analog Comparator Positive input. GPI0: General-purpose Interrupt input 0. 14 P1.1 I/O I I P1.1: User-configurable I/O Port 1 bit 1. AIN1: Analog Comparator Negative input. GPI1: General-purpose Interrupt input 1 15 P1.4 I/O I I P1.4: User-configurable I/O Port 1 bit 4. SS: SPI slave select input. GPI4: General-purpose Interrupt input 4. 16 P1.6 I/O I/O I P1.6: User-configurable I/O Port 1 bit 6. MISO: SPI master-in/slave-out. When configured as master, this pin is an input. When configured as slave, this pin is an output. GPI6: General-purpose Interrupt input 6. |
Similar Part No. - AT89LP216_08 |
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Similar Description - AT89LP216_08 |
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