Data Sheet

4
SNAP Engine RF220 Series Data Sheet — 116-061507-008-G000
RF220UF1 Module Pin Definitions
For pin locations, consult the RF220UF1 Mechanical drawing later in this document.
RF220UF1
Pin
Pin Name SNAPpy IO
ATmega128RFA1
Pin Name
Pin Description
1 GND GND Power Supply
2 GPIO0 7 PB7_OC0A_OC1C_PCINT7 IO or PWM or Interrupt
3 GPIO1 6 PB6_OC1B_PCINT6 IO or PWM or Interrupt
4 GPIO2 5 PB5_OC1A_PCINT5 IO or PWM or Interrupt
5 GPIO3 16 PE0_RXD0_PDI_PCINT8 IO or UART0 Rx or Interrupt
6 GPIO4 17 PE1_TXD0 IO or UART0 Tx
7 GPIO5 20 PE4_CTS0_OC3B_INT4
IO or UART0 CTS Output or
PWM or Interrupt
8 GPIO6 21 PE5_RTS0_OC3C_INT5
IO or UART0 RTS Input or
PWM or Interrupt
9 GPIO7 10 PD2_RXD1_INT2 IO or UART1 Rx or Interrupt
10 GPIO8 11 PD3_TXD_INT3
IO or UART1 Data Out or
Interrupt
11 GPIO9 12 PD4_CTS1_ICP1
IO or UART1 CTS output or
Input Capture
12 GPIO10 23 PE7_RTS1_ICP3_INT7_CLK0
IO or UART1 RTS input or
Clock Output Buffer or
Interrupt
13 GPIO11 24 PF0_ADC0 IO or Analog0
14 GPIO12 25 PF1_ADC1
IO or Analog1 or software
SPI MOSI
15 GPIO13 26 PF2_ADC2_DIG2
IO or Analog2 or software
SPI CLK1 or Antenna
Diversity Control
16 GPIO14 18 PE2_XCK0_AIN0
IO or software SPI1 MISO
or Analog Comparator or
External Clock
17 GPIO15 28 PF4_ADC4_TCK
IO or Analog4 or JTAG Test
Clock
Table 1.2: RF220UF1 Pin Assignments