PIC12F635ESLASHST datasheet(111/196 Pages) MICROCHIP

111 / 196 page

Preliminary

DS41232B-page 109

PIC12F635/PIC16F636/639

AFE STATUS REGISTER 7 (ADDRESS: 0111)

See Table 11-7 for the bit conditions of the AFE Status

Power-on Reset.

R-0

CHZACT

CHYACT

CHXACT

AGCACT

WAKEZ

WAKEY

WAKEX

ALARM

PEI

bit 8

bit 0

bit 8

CHZACT: Channel Z Active(1) bit (cleared via Soft Reset)

= Channel Z is passing data after TAGC

= Channel Z is not passing data after TAGC

bit 7

CHYACT: Channel Y Active(1) bit (cleared via Soft Reset)

= Channel Y is passing data after TAGC

= Channel Y is not passing data after TAGC

bit 6

CHXACT: Channel X Active(1) bit (cleared via Soft Reset)

= Channel X is passing data after TAGC

= Channel X is not passing data after TAGC

bit 5

AGCACT: AGC Active Status bit (real time, cleared via Soft Reset)

= AGC is active (Input signal is strong). AGC is active when input signal level is approximately >

20 mVPP range.

= AGC is inactive (Input signal is weak)

bit 4

WAKEZ: Wake-up Channel Z Indicator Status bit (cleared via Soft Reset)

= Channel Z caused a AFE wake-up (passed

÷64 clock counter)

= Channel Z did not cause a AFE wake-up

bit 3

WAKEY: Wake-up Channel Y Indicator Status bit (cleared via Soft Reset)

= Channel Y caused a AFE wake-up (passed

÷64 clock counter)

= Channel Y did not cause a AFE wake-up

bit 2

WAKEX: Wake-up Channel X Indicator Status bit (cleared via Soft Reset)

= Channel X caused a AFE wake-up (passed

÷64 clock counter)

= Channel X did not cause a AFE wake-up

bit 1

ALARM: Indicates whether an Alarm timer time-out has occurred (cleared via read “Status Register

command”)

= The Alarm timer time-out has occurred. It may cause the ALERT output to go low depending on the

state of bit 4 of the Configuration register 0

= The Alarm timer is not timed out

bit 0

PEI: Parity Error Indicator bit – indicates whether a Configuration register parity error has occurred (real

time)

= A parity error has occurred and caused the ALERT output to go low

= A parity error has not occurred

Note 1: Bit is high whenever channel is passing data. Bit is low in Standby mode.

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

- n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

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