BLE121LR datasheet(8/29 Pages) ETC2

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Bluegiga Technologies Oy

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P0_4

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P0_5

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P0_6

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P0_7

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P1_2

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P1_3

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P1_4

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P1_5

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P1_6

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P2_0

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P2_1

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

P2_2

I/O

Configurable Input/Output. See Table 4:

Peripheral I/O Pin Mapping

Table 2: Configurable I/O Terminals

Pin Number

Pin Name

Pad Type

Description

SCL

I2C clock

SDA

I2C data

DCDC_CNTRL

Output

On / by-pass control for an external

DCDC converter

Table 3: Non-configurable Terminals

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