Freescale Semiconductor /MKW21Z4 /XCVR_CTRL_REGS /FAD_CTRL

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Interpret as FAD_CTRL

31 2827 2423 2019 1615 1211 87 43 0 0 0 0 0 0 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 (0)FAD_EN 0 (ANTX)ANTX 0 (00)ANTX_EN 0 (0)ANTX_HZ 0 (ANTX_CTRLMODE)ANTX_CTRLMODE 0ANTX_POL 0FAD_NOT_GPIO

ANTX_EN=00, FAD_EN=0, ANTX_HZ=0

Description

FAD CONTROL

Fields

FAD_EN

Fast Antenna Diversity Enable

0 (0): Fast Antenna Diversity disabled

1 (1): Fast Antenna Diversity enabled for 802.15.4

ANTX

Antenna Selection State

ANTX_EN

FAD Antenna Controls Enable

0 (00): all disabled (held low)

1 (01): only RX/TX_SWITCH enabled

2 (10): only ANT_A/B enabled

3 (11): all enabled

ANTX_HZ

FAD PAD Tristate Control

0 (0): ANT_A, ANT_B, RX_SWITCH and TX_SWITCH are actively driven outputs.

1 (1): Antenna controls high impedance- Set ANT_A, ANT_B, RX_SWITCH and TX_SWITCH in high impedance.

ANTX_CTRLMODE

Antenna Diversity Control Mode

ANTX_POL

FAD Antenna Controls Polarity

FAD_NOT_GPIO

FAD versus GPIO Mode Selector

Links

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