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TK5551 Datasheet(PDF) 6 Page - ATMEL Corporation |
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TK5551 Datasheet(HTML) 6 Page - ATMEL Corporation |
6 / 294 page 6 9219A–RFID–01/11 Atmel ATA5505 [Preliminary] 1.3 Pin Configuration Figure 1-5. Pinout Atmel ® ATA5505 - QFN38 5 mm by 7 mm 1.4 Pin Description 27 26 23 22 25 24 31 38 37 36 35 34 33 32 13 14 15 Atmel ATA5505 16 17 18 19 30 29 28 5 6 9 10 7 8 1 2 3 4 PA5 PA6 PA7 PB7/RST PB6 PB5 PB4/XTAL VDD OUTPUT OE INPUT MS GND PA1 PA0 PB0 PB1 PB2 PB3 RF GAIN VS STBY VBAT 21 11 20 12 Table 1-1. Pin Description Pin Symbol Function 1 PA5 PCINT5 ADC5 T1 USCK SCL SCK GPIO Port A – Pin 5 PCINT5 (Pin Change Interrupt 5) ADC5 (ADC Input Channel 5) T1 (Timer/Counter1 Clock Input) USCK (Three-wire Mode USI Alternate Clock Input) SCL (Two-wire Mode USI Alternate Clock Input) SCK (SPI Master Clock) 2 PA6 PCINT6 ADC6 AIN0 SS GPIO Port A – Pin 6 PCINT6 (Pin Change Interrupt 6) ADC6 (ADC Input Channel 6) AIN0 (Analog Comparator Negative Input) SS (SPI Slave Select Input) 3 PA7 PCINT7 ADC7 AIN1 XREF AREF GPIO Port A – Pin 7 PCINT7 (Pin Change Interrupt 7) ADC7 (ADC Input Channel 7) AIN1 (Analog Comparator Positive Input) XREF (Internal Voltage Reference Output) AREF (External Voltage Reference Input) 4 PB7 PCINT15 ADC10 OC1BX RESET dW GPIO Port B – Pin 7 PCINT15 (Pin Change Interrupt 15) ADC10 (ADC Input Channel 10) OC1BX (Output Compare and PWM Output B-X for Timer/Counter1) RESET (Reset input pin) dW (debugWIRE I/O) |
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