AS3932 Просмотр технического описания (PDF) - austriamicrosystems AG

Номер в каталоге

Компоненты Описание

производитель

AS3932

3D Low Frequency Wakeup Receiver

austriamicrosystems AG 

AS3932

Data Sheet - Detailed Description

Table 6. Register Table

7

6

5

4

3

2

1

0

R8

n.a.

T_AUTO<2:0>

R9

n.a.

Reserved

R10

n.a.

RSSI1<4:0>

R11

n.a.

RSSI3<4:0>

R12

n.a.

RSSI2<4:0>

R13

F_WAKE

8.3.2 Register Table Description and Default Values

Table 7. Default Values of Registers

Register

R0<5>

R0<4>

R0<3>

Name

ON_OFF

MUX_123

EN_A2

Type

Default

Value

W

0

W

0

W

1

Description

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

Scan mode enable

Channel 2 enable

R0<2>

EN_A3

W

1

R0<1>

EN_A1

W

1

Channel 3 enable

Channel 1 enable

R0<0>

PWD

W

0

R1<7>

ABS_HY

W

0

Power down

Data slicer absolute reference

R1<6>

AGC_TLIM

W

0

R1<5>

AGC_UD

W

1

R1<4>

ATT_ON

W

0

R1<3> EN_MANCH W

0

R1<2>

EN_PAT2

W

0

AGC acting only on the first carrier burst

AGC operating in both direction (up-down)

Antenna damper enable

Manchester decoder enable

Double wakeup pattern correlation

R1<1>

EN_WPAT

W

1

R1<0>

EN_RTC

W

1

Data correlation enable

Crystal oscillator enable

R2<7>

S_ABSH

W

0

R2<6:5>

W_PAT

W

00

Data slicer threshold reduction

Pattern correlation tolerance (see Table 19)

R2<4:2>

000

R2<1:0>

S_WU1

W

00

Reserved

Tolerance setting for the stage wakeup (see Table 13)

R3<7>

HY_20m

W

0

Data slicer hysteresis

if HY_20m = 0 then comparator hysteresis = 40mV

if HY_20m = 1 then comparator hysteresis = 20mV

R3<6>

HY_POS

W

0

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

W

100

Data slices time constant (see Table 17)

R3<2:0>

FS_ENV

W

000

Envelop detector time constant (see Table 16)

www.austriamicrosystems.com/AS3932

Revision 1.2

14 - 33

Share Link: