User Manual

AT02876: Atmel REB212BSMA Hardware User Manual [APPLICATION NOTE]
Atmel-42097B-WIRELESS-AT02876-REB212BSMA-Hardware-User-Manual_ApplicationNote_062014
5
Pin# Function Pin# Function
13 n.c. 14 n.c.
15 n.c. 16 n.c.
17 n.c., optionally XT1 (MCLK)
(1)
18 n.c.
19 V
CC
20 V
CC
21 GND 22 GND
23 PB7 (open) 24 PB6 (open)
25 PB5 (RSTN) 26 PB4 (SLPTR)
27 PB3 (MISO) 28 PB2 (MOSI)
29 PB1 (SCLK) 30 PB0 (SEL)
31 PD7 (TP1) 32 PD6 (MCLK)
33 PD5 (TP2) 34 PD4 (DIG2)
35 PD3 (TP3) 36 PD2 (open)
37 PD1 (TP4) 38 PD0 (IRQ)
39 GND 40 EE#WP (write protect EEPROM)
Note: 1. Possible by retrofitting a 0R assembly.
4.1.2 Atmel ATmega644 Configuration
Table 4-2 lists the pin assignment of the ATmega644 configuration. It is enabled by re-assembling R10 through
R23 to their alternate locations.
Table 4-2. Expansion Connector Mapping when Assembled for ATmega644
Pin# Function Pin# Function
1 GND 2 GND
3 n.c. 4 n.c.
5 n.c. 6 n.c.
7 n.c. 8 n.c.
9 n.c. 10 n.c.
11 n.c. 12 n.c.
13 n.c. 14 n.c.
15 n.c. 16 n.c.
17 n.c., optionally XT1 (MCLK)
(1)
18 n.c.
19 V
CC
20 V
CC
21 GND 22 GND
23 PB7 (SCLK) 24 PB6 (MISO)
25 PB5 (MOSI) 26 PB4 (SEL)
27 PB3 (open) 28 PB2 (RSTN)
29 PB1 (MCLK) 30 PB0 (open)