ST-PLC-AFE datasheet(26/58 Pages) STMICROELECTRONICS

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Registers

ST-PLC-AFE

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DocID028727 Rev 1

Table 14. Enable register

Bit name

Location

Default

R/W

Function

ZCR_EN

R/W

Zero crossing detector enable

0: ZC1 and ZC2 off

1: ZC1 and ZC2 on

BAND_SEL

R/W

Select CENELEC bandwidth

1: 100 kHz CENELEC band A

0: 150 kHz CENELEC band B, C, and D

PA_EN

R/W

Enable power amplifier

0: PAs P and N off

1: PAs P and N on

TX_EN

R/W

Enable Tx channel

0: Tx off

1: Tx on

RX_EN

R/W

Enable Rx channel

0: Rx off

1: Rx on

DAC_EN

R/W

Enable internal DAC

0: DAC off and Tx path driven by external DAC

1: Tx path driven by the internal DAC

PA2_EN

R/W

Enable power amplifier N

0: PA N side off

1: PA N side on

HP_EN

R/W

Enable high-pass filter

0: high-pass filter off

1: high-pass filter on

RST_SPI

R/W

Reset all registers (1)

0: normal mode

1: reset all the registers to their default value

1. The HP_EN bit is self-resetting.

PD_SPI

R/W

Power-down all devices (2)

0: all devices on

1: all devices off

2. A reset cancels this command to its “0” default value.

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