Datasheet

LTC2991
18
2991fd
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applicaTions inForMaTion
Table 2. LTC2991 Register Address and Contents
REGISTER
ADDRESS*
†
REGISTER NAME READ/WRITE DESCRIPTION
00h STA
TUS LOW R DATA_VALID Bits (V1 Through V8)
01h CH EN, STAT. HI, TRIGGER** R/W CHANNEL ENABLE , V
CC
, T
INTERNAL
Conv. Status, Trigger
02h Reserved N/A Reserved
03h Reserved N/A Reserved
04h Reserved N/A Reserved
05h Reserved N/A Reserved
06h V1, V2 and V3, V4 CONTROL R/W V1, V2, V3 and V4 Control Register
07h V5, V6 and V7, V8 CONTROL R/W V5, V6, V7 and V8 Control Register
08h PWM_Threshold(LSB), V
CC
, T
INTERNAL
CONTROL R/W PWM Threshold and T
INTERNAL
Control Register
09h PWM_Threshold(MSB) R/W PWM Threshold
0Ah V1(MSB) R V1 or T
R1
T MSB
0Bh V1(LSB) R V1 or T
R1
T LSB
0Ch V2(MSB) R V2, V1 – V2, or T
R1
Voltage MSB
0Dh V2(LSB) R V2, V1 – V2, or T
R1
Voltage LSB
0Eh V3(MSB) R V3, or T
R2
T MSB
0Fh V3(LSB) R V3, or T
R2
T LSB
10h V4(MSB) R V4, V3 – V4, or T
R2
Voltage MSB
11h V4(LSB) R V4, V3 – V4, or T
R2
Voltage LSB
12h V5(MSB) R V5, or T
R3
T MSB
13h V5(LSB) R V5, or T
R3
T LSB
14h V6(MSB) R V6, V5 – V6, or T
R3
Voltage MSB
15h V6(LSB) R V6, V5 – V6, or T
R3
Voltage LSB
16h V7(MSB) R V7, or T
R4
T MSB
17h V7(LSB) R V7, or T
R4
T LSB
18h V8(MSB) R V8, V7 – V8, or T
R4
Voltage MSB
19h V8(LSB) R V8, V7 – V8, or T
R4
Voltage LSB
1Ah T
INTERNAL
(MSB) R T
INTERNAL
MSB
1Bh T
INTERNAL
(LSB) R T
INTERNAL
LSB
1Ch V
CC
(MSB) R V
CC
MSB
1Dh V
CC
(LSB) R V
CC
LSB
* Register address MSBs b7 to b5 are ignored.
** Writing any value triggers a conversion.
† Power-on reset sets all registers to 00h.