User's Manual
Bluegiga Technologies Oy
Page 7 of 31
2 Pinout and Terminal Description
Figure 1: BLE121LR
Pin Number
Pin Name
Pad Type
Description
1-3, 14, 15,
22 31-36
GND
GND
GND
13
AVDD
Supply voltage
23
DVDD
Supply voltage
7
Reset
Reset
Active low reset
Table 1: Supply and RF Terminal Descriptions
Pin Number
Pin Name
Pad Type
Description
6
P0_0
I/O
Configurable Input/Output. See Table 4:
Peripheral I/O Pin Mapping
5
P0_1
I/O
Configurable Input/Output. See Table 4:
Peripheral I/O Pin Mapping
4
P0_2
I/O
Configurable Input/Output. See Table 4:
Peripheral I/O Pin Mapping
8
P0_3
I/O
Configurable Input/Output. See Table 4:
Peripheral I/O Pin Mapping