Atmel RCB256RFR2, Hardware User Manual

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Atmel AVR10004: RCB256RFR2 – Hardware User Manual [APPLICATION NOTE]
42081A
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AVR
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03/2013
13
Table 4-2. Extension connector (EXT0/1) mapping.
EXT0
Pin# RCB256RFR2 function 1281V RCB function Pin# RCB256RFR2 function 1281V RCB function
1 PG0 PB6 2 PG1 PB7
3 RSTN #RESET 4 V_RCB V_RCB
5 GND GND 6 not connected XTAL2
7 CLKI XTAL1 8 GND GND
9 PD0 PD0 (SCL) 10 PD1 PD1 (SDA)
11 PD2 PD2 (RXD1) 12 PD3 PD3 (TXD1)
13 PD4 PD4 14 PD5 PD5
15 PD6 PD6 (CLKM) 16 PD7 PD7
17 PE4 (#WR) PG0 (#WR) 18 PE5 (#RD) PG1 (#RD)
19 GND GND 20 GND GND
21 GND PC0 22 GND PC1
23 GND PC2 24 GND PC3
25 PD4 PC4 26 PD5 PC5
27 PD6 PC6 28 PD7 PC7
29 GND GND 30 PG2 (ALE) PG2 (ALE)
EXT1
Pin# RCB256RFR2 function 1281V RCB function Pin# RCB256RFR2 function 1281V RCB function
1 PB1 PB1 (SCK) 2 GND GND
3 PE7 PE7 4 PE6 PE6
5 TST
(connect for parallel
programming only) PE5 6 RSTON PE4
7 PE3 PE3 8 PE2 PE2
9 PE1 PE1 (PDO) 10 PE0 PE0 (PDI)
11 GND AGND 12 AREF AREF
13 PF0 PF0 14 PF1 PF1
15 PF2 PF2 16 PF3 PF3
17 PF4 PF4 (TCK) 18 PF5 PF5 (TMS)
19 PF6 PF6 (TDO) 20 PF7 PF7 (TDI)
21 V_RCB V_RCB 22 GND GND
23 PB0 PA0 24 PB1 PA1
25 PB2 PA2 26 PB3 PA3
27 PB4 PA4 28 PB5 PA5
29 PB6 PA6 30 PB7 PA7
The connector pin-out mapping enables operation with almost all peripheral elements on existing base boards, except
external SRAM support.