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TPL0102-100QPWREP Datasheet(PDF) 24 Page - Texas Instruments

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Part # TPL0102-100QPWREP
Description  TPL0102-EP 256-Taps Dual-Channel Digital Potentiometer With Non-Volatile Memory
PDF  36 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPL0102-100QPWREP Datasheet(HTML) 24 Page - Texas Instruments

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TPL0102-EP
SLIS149 – JUNE 2014
www.ti.com
8.5.5 IVRB (Initial Value Register for Potentiometer B)
•
Register address: 01H
•
Factory programmed value: 80H
•
Type: non-volatile write/read
NAME
SIZE (BITS)
DESCRIPTION
IVRB
8
Non-volatile register to store wiper position for potentiometer B
8.5.6 WRB (Wiper Resistance Register for Potentiometer B)
•
Register address: 01H
•
Reset value: same as IVRB
•
Type: volatile write/read
NAME
SIZE (BITS)
DESCRIPTION
WRB
8
Volatile register to change wiper position for potentiometer B
8.5.7 ACR (Access Control Register)
•
Register address: 00H
•
Reset value: 40H
•
Type: non-volatile write/read
NAME
SIZE (BITS)
DESCRIPTION
IVRA
8
Non-volatile register to store wiper position for potentiometer A
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ACR
8
VOL
SHDN
WIP
0
0
0
0
0
Default Value
0
1
0
0
0
0
0
0
NAME
SIZE (BITS)
DESCRIPTION
0: Non-volatile registers (IVRA, IVRB) are accessible. Value written to IVRi register is
also written to the corresponding WRi.
VOL
1
1: Only volatile registers (WRi) are accessible.
0: Shut-down mode is enabled. Potentiometers are in shut-down mode.
(see Figure 20)
SHDN
1
1: Shut-down mode is disabled
0: Non-volatile write operation is not in progress
WIP (read-only bit)
1
1: Non-volatile write operation is in progress (it is not possible to write to the WRi or
ACR while WIP = 1)
24
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Copyright © 2014, Texas Instruments Incorporated



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