LTC2936
11
2936fa
For more information www.linear.com/LTC2936
operaTion
Register Command Set
COMMAND
FUNCTION DESCRIPTION
R/W/S
(See Note)
DATA LENGTH
(BITS)
COMMAND
BYTE DEFAULT VALUE
WRITE_PROTECT Contains lock key code and write lock. R/W 16 0x00 1010_1010_1010_1000b
GPI_CONFIG Configure GPI2 and GPI1 assignment, GPIOn mapping
and MR internal response.
R/W 16 0x01 X001_0000_X000_0000b
GPIO1_CONFIG
Configure GPIO1 type, delay-on-release and mapping to
GPIO2, GPIO3.
R/W 16 0x02 X000_0000_0010_1011b
GPIO2_3_CONFIG
Configure GPIO3 type, delay-on-release and mapping
to GPIO1 and GPIO2. Configure GPIO2 type, delay-on-
release and mapping to GPIO1 and GPIO3.
R/W 16 0x03 0010_1011_0010_1011b
V1_THR Encode high and low voltage thresholds on channel V1. R/W 16 0x04 1110_0110_1011_0100b
V2_THR Encode high and low voltage thresholds on channel V2. R/W 16 0x05 1000_1001_0110_1000b
V3_THR Encode high and low voltage thresholds on channel V3. R/W 16 0x06 0101_1101_0100_0100b
V4_THR Encode high and low voltage thresholds on channel V4. R/W 16 0x07 1001_1001_0111_0101b
V5_THR Encode high and low voltage thresholds on channel V5 R/W 16 0x08 0111_1000_0101_1010b
V6_THR Encode high and low voltage thresholds on channel V6. R/W 16 0x09 0101_0111_0011_1111b
V1_CONFIG Encode comparator range, polarity and GPIO
n
mapping. R/W 16 0x0A XXX0_1100_1000_1001b
V2_CONFIG Encode comparator range, polarity and GPIO
n
mapping. R/W 16 0x0B XXX0_1100_1000_1001b
V3_CONFIG Encode comparator range, polarity and GPIO
n
mapping. R/W 16 0x0C XXX0_1100_1000_1001b
V4_CONFIG Encode comparator range, polarity and GPIO
n
mapping. R/W 16 0x0D XXX0_1101_1000_1001b
V5_CONFIG Encode comparator range, polarity and GPIO
n
mapping. R/W 16 0x0E XXX0_1101_1000_1001b
V6_CONFIG Encode comparator range, polarity and GPIO
n
mapping. R/W 16 0x0F XXX0_1101_1000_1001b
HISTORY_WORD Read the fault history. Read only. R 16 0x11 NA
PADS Return the status of the GPIn, GPIOn and CMPn pins. R 16 0x1A NA
CLEAR_HISTORY
Clear volatile memory history register. Write only.
S 0 0x1B NA
STORE_USER
Store volatile memory to EEPROM. Write only.
S 0 0x1C NA
RESTORE_USER Restore volatile memory from EEPROM. Write only. S 0 0x1D NA
BACKUP_WORD Read the EEPROM backup of the first fault history.
Read only.
R 16 0x1E NA
STATUS_WORD
Read the fault status. Read only. R 16 0x1F NA
Note: R = Read, W = Write, S = Send Byte.