LTC2937 Commands

Name Code Protocol Format Mask Writable Readable Description Fields
WRITE_PROTECTION_CMD 0x00 WriteWord ReadWord FIELD True True
Name Description Bits
device_key 15:2
hw_lock_bit 1
sw_lock_bit 0
SPECIAL_LOT_CMD 0x01 WriteWord ReadWord HEX True True
ON_OFF_CONTROL_CMD 0x02 WriteWord ReadWord FIELD True True
Name Description Bits
on_state 7
i2c_margin 6
discharge_start 5
i2c_on_off 4
i2c_on_off_mask 3
on_input_mask 2
on_polarity 1
seq_down_qual 0
V_RANGE_CMD 0x03 WriteWord ReadWord FIELD True True
Name Description Bits
v6_range 11:10
v5_range 9:8
v4_range 7:6
v3_range 5:4
v2_range 3:2
v1_range 1:0
V_THRESHOLD_1_CMD 0x04 WriteWord ReadWord FIELD True True
Name Description Bits
ov_threshold_1 15:8
uv_threshold_1 7:0
V_THRESHOLD_2_CMD 0x05 WriteWord ReadWord FIELD True True
Name Description Bits
ov_threshold_2 15:8
uv_threshold_2 7:0
V_THRESHOLD_3_CMD 0x06 WriteWord ReadWord FIELD True True
Name Description Bits
ov_threshold_3 15:8
uv_threshold_3 7:0
V_THRESHOLD_4_CMD 0x07 WriteWord ReadWord FIELD True True
Name Description Bits
ov_threshold_4 15:8
uv_threshold_4 7:0
V_THRESHOLD_5_CMD 0x08 WriteWord ReadWord FIELD True True
Name Description Bits
ov_threshold_5 15:8
uv_threshold_5 7:0
V_THRESHOLD_6_CMD 0x09 WriteWord ReadWord FIELD True True
Name Description Bits
ov_threshold_6 15:8
uv_threshold_6 7:0
TON_TIMERS_1_CMD 0x0A WriteWord ReadWord FIELD True True
Name Description Bits
ton_max_1 15:13
ton_delay_1 12:0
TON_TIMERS_2_CMD 0x0B WriteWord ReadWord FIELD True True
Name Description Bits
ton_max_2 15:13
ton_delay_2 12:0
TON_TIMERS_3_CMD 0x0C WriteWord ReadWord FIELD True True
Name Description Bits
ton_max_3 15:13
ton_delay_3 12:0
TON_TIMERS_4_CMD 0x0D WriteWord ReadWord FIELD True True
Name Description Bits
ton_max_4 15:13
ton_delay_4 12:0
TON_TIMERS_5_CMD 0x0E WriteWord ReadWord FIELD True True
Name Description Bits
ton_max_5 15:13
ton_delay_5 12:0
TON_TIMERS_6_CMD 0x0F WriteWord ReadWord FIELD True True
Name Description Bits
ton_max_6 15:13
ton_delay_6 12:0
TOFF_TIMERS_1_CMD 0x10 WriteWord ReadWord FIELD True True
Name Description Bits
toff_max_1 15:13
toff_delay_1 12:0
TOFF_TIMERS_2_CMD 0x11 WriteWord ReadWord FIELD True True
Name Description Bits
toff_max_2 15:13
toff_delay_2 12:0
TOFF_TIMERS_3_CMD 0x12 WriteWord ReadWord FIELD True True
Name Description Bits
toff_max_3 15:13
toff_delay_3 12:0
TOFF_TIMERS_4_CMD 0x13 WriteWord ReadWord FIELD True True
Name Description Bits
toff_max_4 15:13
toff_delay_4 12:0
TOFF_TIMERS_5_CMD 0x14 WriteWord ReadWord FIELD True True
Name Description Bits
toff_max_5 15:13
toff_delay_5 12:0
TOFF_TIMERS_6_CMD 0x15 WriteWord ReadWord FIELD True True
Name Description Bits
toff_max_6 15:13
toff_delay_6 12:0
SEQ_UP_POSITION_1_CMD 0x16 WriteWord ReadWord FIELD True True
Name Description Bits
async_on_off_1 10
seq_up_position_1 9:0
SEQ_UP_POSITION_2_CMD 0x17 WriteWord ReadWord FIELD True True
Name Description Bits
async_on_off_2 10
seq_up_position_2 9:0
SEQ_UP_POSITION_3_CMD 0x18 WriteWord ReadWord FIELD True True
Name Description Bits
async_on_off_3 10
seq_up_position_3 9:0
SEQ_UP_POSITION_4_CMD 0x19 WriteWord ReadWord FIELD True True
Name Description Bits
async_on_off_4 10
seq_up_position_4 9:0
SEQ_UP_POSITION_5_CMD 0x1A WriteWord ReadWord FIELD True True
Name Description Bits
async_on_off_5 10
seq_up_position_5 9:0
SEQ_UP_POSITION_6_CMD 0x1B WriteWord ReadWord FIELD True True
Name Description Bits
async_on_off_6 10
seq_up_position_6 9:0
SEQ_DOWN_POSITION_1_CMD 0x1C WriteWord ReadWord FIELD True True
Name Description Bits
active_pull_down_1 10
seq_down_position_1 9:0
SEQ_DOWN_POSITION_2_CMD 0x1D WriteWord ReadWord FIELD True True
Name Description Bits
active_pull_down_2 10
seq_down_position_2 9:0
SEQ_DOWN_POSITION_3_CMD 0x1E WriteWord ReadWord FIELD True True
Name Description Bits
active_pull_down_3 10
seq_down_position_3 9:0
SEQ_DOWN_POSITION_4_CMD 0x1F WriteWord ReadWord FIELD True True
Name Description Bits
active_pull_down_4 10
seq_down_position_4 9:0
SEQ_DOWN_POSITION_5_CMD 0x20 WriteWord ReadWord FIELD True True
Name Description Bits
active_pull_down_5 10
seq_down_position_5 9:0
SEQ_DOWN_POSITION_6_CMD 0x21 WriteWord ReadWord FIELD True True
Name Description Bits
active_pull_down_6 10
seq_down_position_6 9:0
RSTB_CONFIG_CMD 0x22 WriteWord ReadWord FIELD True True
Name Description Bits
rstb_delay 15:13
sv_fault_enable 12
v6_ov_enable 11
v5_ov_enable 10
v4_ov_enable 9
v3_ov_enable 8
v2_ov_enable 7
v1_ov_enable 6
v6_uv_enable 5
v5_uv_enable 4
v4_uv_enable 3
v3_uv_enable 2
v2_uv_enable 1
v1_uv_enable 0
FAULT_RESPONSE_CMD 0x23 WriteWord ReadWord FIELD True True
Name Description Bits
retry_count 13:11
faultb_state 10
faultb_mask 9
freeze 8
retry_delay 7:5
fault_response_action 4:3
retry_number 2:0
MONITOR_STATUS_HISTORY_CMD 0x26 ReadWord FIELD FMT False True
Name Description Bits
sf_chan_hist 15:13
sv_fault_status 12
v6_ov_sv_fault 11
v6_uv_sv_fault 10
v5_ov_sv_fault 9
v5_uv_sv_fault 8
v4_ov_sv_fault 7
v4_uv_sv_fault 6
v3_ov_sv_fault 5
v3_uv_sv_fault 4
v2_ov_sv_fault 3
v2_uv_sv_fault 2
v1_ov_sv_fault 1
v1_uv_sv_fault 0
CLEAR_ALERTB_CMD 0x28 ReadWord HEX FMT False True
STATUS_INFORMATION_CMD 0x29 ReadWord FIELD FMT False True
Name Description Bits
sf_channel 15:13
mb_state 12
local_seq_status 11:10
group_seq_status 9:8
seq_up_fault 7
seq_down_fault 6
ov_fault 5
uv_fault 4
sv_fault 3
discharge 2
seq_control_fault 1
other_fault 0
BREAK_POINT_CMD 0x2A WriteWord ReadWord FIELD True True
Name Description Bits
bp_enable 10
bp_value 9:0
SEQ_POSITION_COUNT_CMD 0x2B ReadWord FIELD FMT False True
Name Description Bits
sp_bp_test 10
sp_count 9:0
STORE_CMD 0x2C Send HEX FMT True False
RESTORE_CMD 0x2D Send HEX FMT True False
CLEAR_CMD 0x2E Send HEX FMT True False
MONITOR_BACKUP_CMD 0x2F ReadWord FIELD FMT False True
Name Description Bits
bu_sf_chan 15:13
bu_svf_state 12
bu_v6_ov_sv_fault 11
bu_v6_uv_sv_fault 10
bu_v5_ov_sv_fault 9
bu_v5_uv_sv_fault 8
bu_v4_ov_sv_fault 7
bu_v4_uv_sv_fault 6
bu_v3_ov_sv_fault 5
bu_v3_uv_sv_fault 4
bu_v2_ov_sv_fault 3
bu_v2_uv_sv_fault 2
bu_v1_ov_sv_fault 1
bu_v1_uv_sv_fault 0
MONITOR_STATUS_CMD 0x30 ReadWord FIELD FMT False True
Name Description Bits
margin_status 13
rstb_status 12
v6_ov_status 11
v6_uv_status 10
v5_ov_status 9
v5_uv_status 8
v4_ov_status 7
v4_uv_status 6
v3_ov_status 5
v3_uv_status 4
v2_ov_status 3
v2_uv_status 2
v1_ov_status 1
v1_uv_status 0
DEVICE_ID_CMD 0x31 ReadWord HEX FMT False True