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DAC53401_V01 Datasheet(Hoja de datos) 27 Page - Texas Instruments

No. de Pieza. DAC53401_V01
Descripción  DACx3401 10-Bit and 8-Bit, Voltage-Output Digital-to-Analog Converters With Nonvolatile Memory and PMBus™ Compatible I2C Interface in Tiny 2 × 2 WSON
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 27 page
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27
DAC53401, DAC43401
www.ti.com
SLASES7 – JULY 2019
Product Folder Links: DAC53401 DAC43401
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
8.6.1 STATUS Register (address = D0h) (reset = 000Ch or 0014h)
Figure 8. STATUS Register
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NVM_CRC_
ALARM_
USER
NVM_CRC_
ALARM_
INTERNAL
NVM_
BUSY
DAC_
UPDATE_
BUSY
X
DEVICE_ID
VERSION_ID
R
R
R
R
X
R
R
Table 18. STATUS Register Field Descriptions
BIT
FIELD
TYPE
RESET
DESCRIPTION
15
NVM_CRC_ALARM_USER
R
0
0 : No CRC error in user NVM bits
1: CRC error in user NVM bits
14
NVM_CRC_ALARM_INTERNA
L
R
0
0 : No CRC error in internal NVM
1: CRC error in internal NVM bits
13
NVM_BUSY
R
0
0 : NVM write or load completed, Write to DAC registers
allowed
0 : NVM write or load in progress, Write to DAC registers
not allowed
12
DAC_UPDATE_BUSY
R
0
0 : DAC outputs updated, Write to DAC registers allowed
0 : DAC outputs update in progress, Write to DAC registers
not allowed
11 - 6
X
X
00h
Don't care
5 - 2
DEVICE_ID
R R
DAC53401: 0Ch
DAC43401: 14h
DAC53401: 0Ch
DAC43401: 14h
1 - 0
VERSION_ID
8.6.2 GENERAL_CONFIG Register (address = D1h) (reset = 11F0h)
Figure 9. GENERAL_CONFIG Register
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
FUNC_
CONFIG
DEVICE_
LOCK
EN_
PMBUS
CODE_STEP
SLEW_RATE
DAC_PDN
REF_EN
DAC_SPAN
R/W
W
R/W
R/W
R/W
R/W
R/W
R/W
Table 19. GENERAL_CONFIG Register Field Descriptions
BIT
FIELD
TYPE
RESET
DESCRIPTION
15 - 14
FUNC_CONFIG
R/W
00
00 : Generates a triangle wave between MARGIN_HIGH
(address 25h) code to MARGIN_LOW (address 26h) code with
slope defined by SLEW_RATE (address D1h) bits
01: Generates Saw-Tooth wave between MARGIN_HIGH
(address 25h) code to MARGIN_LOW (address 26h) code, with
rising slope defined by SLEW_RATE (address D1h) bits and
immediate falling edge
10: Generates Saw-Tooth wave between MARGIN_HIGH
(address 25h) code to MARGIN_LOW (address 26h) code, with
falling slope defined by SLEW_RATE (address D1h) bits and
immediate rising edge
11: Generates a square wave between MARGIN_HIGH (address
25h) code to MARGIN_LOW (address 26h) code with pulse high
and low period defined by SLEW_RATE (address D1h) bits
13
DEVICE_LOCK
W
0
0 : Device not locked
1: Device locked, the device locks all the registers. This bit can
be reset (unlock device) by writing 0101 to the
DEVICE_UNLOCK_CODE bits (address D3h)
12
RESERVED
Reserved
1
Reserved




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