AS3932 datasheet(14/33 Pages) AMSCO

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AS3932

Data Sheet - Detailed Description

8.3.2 Register Table Description and Default Values

n.a.

T_AUTO<2:0>

n.a.

Reserved

R10

n.a.

RSSI1<4:0>

R11

n.a.

RSSI3<4:0>

R12

n.a.

RSSI2<4:0>

R13

F_WAKE

Table 7. Default Values of Registers

Name

Type

Default

Value

Description

R0<5>

ON_OFF

On/Off operation mode. (Duty-cycle defined in the register R4<7:6>)

R0<4>

MUX_123

Scan mode enable

R0<3>

EN_A2

Channel 2 enable

R0<2>

EN_A3

Channel 3 enable

R0<1>

EN_A1

Channel 1 enable

R0<0>

PWD

Power down

R1<7>

ABS_HY

Data slicer absolute reference

R1<6>

AGC_TLIM

AGC acting only on the first carrier burst

R1<5>

AGC_UD

AGC operating in both direction (up-down)

R1<4>

ATT_ON

Antenna damper enable

R1<3>

EN_MANCH

Manchester decoder enable

R1<2>

EN_PAT2

Double wakeup pattern correlation

R1<1>

EN_WPAT

Data correlation enable

R1<0>

EN_RTC

Crystal oscillator enable

R2<7>

S_ABSH

Data slicer threshold reduction

R2<6:5>

W_PAT

Pattern correlation tolerance (see Table 19)

R2<4:2>

000

Reserved

R2<1:0>

S_WU1

Tolerance setting for the stage wakeup (see Table 13)

R3<7>

HY_20m

Data slicer hysteresis

if HY_20m = 0 then comparator hysteresis = 40mV

if HY_20m = 1 then comparator hysteresis = 20mV

R3<6>

HY_POS

Data slicer hysteresis only on positive edges (HY_POS=0, hysteresis on both

edges, HY_POS=1, hysteresis only on positive edges)

R3<5:3>

FS_SCL

100

Data slices time constant (see Table 17)

R3<2:0>

FS_ENV

000

Envelop detector time constant (see Table 16)

Table 6. Register Table

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