TDC-GP21 datasheet(29/91 Pages) AMSCO

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Ultrasonic-Flow-Converter

TDC-GP21

3-4

acam messelectronic gmbh - Friedrich-List-Str.4 - 76297 Stutensee - Germany - www.acam.de

3.1.2

List of configuration registers

Bit number 

15 14

12 11 10

Parameter 

param1

k.d.

Default value 

k.d. = keep default values

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

7-0

ANZ_FIRE[3:0]

DIV_FIRE

ID0

0 0

Parameter

Description

Settings

ANZ_FIRE[3:0]

(FIRE#)

Sets number of pulses generated by fire

pulse generator. Additional 3 bits are set in

For values ANZ_FIRE > 15 the phase setting

(PHFIRE) can not be used.

0 = off

1 = 1 pulse

2 = 2 pulses

…

127 = 127 pulses

DIV_FIRE

Sets predivider for internal clock signal of fire

pulse generator

0 = not permitted

1 = divided by 2

2 = divided by 3

3.= divided by 4

…

15 = divided by 16

ANZ_PER_CALRES

(CALRES#)

Sets number of periods used for calibrating

the ceramic resonator

0 = 2 periods = 61.035 µs

1 = 4 periods = 122.07 µs

2 = 8 periods = 244.14 µs

3 = 16 periods = 488.281 µs

DIV_CLKHS

(ClkHSDiv)

Sets predivider for CLKHS

0 = divided by 1

1 = divided by 2

2 = divided by 4

3 = divided by 4 (also)

Member of the ams Group

TDC-GP21 Datasheet(PDF) 29 Page - ams AG

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