Datasheet

LTC2977
63
2977fa
For more information www.linear.com/LTC2977
MFR_TELEMETRY
This read-only command enables efficient polling of te-
lemetry data
for all output channels via a single 49 byte
block read.
MFR_TELEMETRY Data Block Contents
DATA BYTE*
Status_word0[7:0] 0
Status_word0[15:8] 1
Status_vout0 2
Status_mfr0 3
Read_vout0[7:0] 4
Read_vout0[15:8] 5
Status_word1[7:0] 6
Status_word1[15:8] 7
Status_vout1 8
Status_mfr1 9
Read_vout1[7:0] 10
Read_vout1[15:8] 11
Status_word2[7:0] 12
Status_word2[15:8] 13
Status_vout2 14
Status_mfr2 15
Read_vout2[7:0] 16
Read_vout2[15:8] 17
Status_word3[7:0] 18
Status_word3[15:8] 19
Status_vout3 20
Status_mfr3 21
Read_vout3[7:0] 22
Read_vout3[15:8] 23
Status_word4[7:0] 24
Status_word4[15:8] 25
Status_vout4 26
Status_mfr4 27
Read_vout4[7:0] 28
Read_vout4[15:8] 29
Status_word5[7:0] 30
Status_word5[15:8] 31
Status_vout5 32
Status_mfr5 33
Read_vout5[7:0] 34
Read_vout5[15:8] 35
Status_word6[7:0] 36
Status_word6[15:8] 37
Status_vout6 38
Status_mfr6 39
Read_vout6[7:0] 40
Read_vout6[15:8] 41
Status_word7[7:0] 42
Status_word7[15:8] 43
Status_vout7 44
Status_mfr7 45
Read_vout7[7:0] 46
Read_vout7[15:8] 47
Reserved 48
*Note: PMBus data byte numbers start at 1 rather than 0. Status_word0[7:0]
is the first byte returned after BYTE COUNT = Ox31 See block read protocol.
PMBus COMMAND DESCRIPTION