Datasheet

LTC2974
78
2974fc
For more information www.linear.com/LTC2974
pMbus coMManD DescripTion
CYCLICAL MUX LOOP DATA
BYTE
NUMBER
DECIMAL
BYTE
NUMBER
HEX
LOOP
BYTE
NUMBER
DECIMAL MUX LOOP 3
54 BYTES PER
LOOP
233 E9 13 Read_pout0[15:8]
234
EA 12 Read_pout0[7:0]
235 EB 11 Read_iout0[15:8]
236 EC 10 Read_iout0[7:0]
237 ED 9 Status_iout0[7:0] Last valid fault
log byte
238 EE 0x00 Bytes EE - FE
return 0x00
239 EF 0x00
240 F0 0x00
241 F1 0x00
242 F2 0x00
243 F3 0x00
244 F4 0x00
245 F5 0x00
246 F6 0x00
247 F7 0x00
248 F8 0x00
249 F9 0x00
250 FA 0x00
251 FB 0x00
252 FC 0x00
253 FD 0x00
254 FE 0x00 This is PMBUS
byte 255. It must
be read to clear
Mfr_fault_log_
status_ram.
IDENTIFICATION/INFORMATION
COMMAND NAME
CMD
CODE DESCRIPTION TYPE PAGED FORMAT UNITS EEPROM
DEFAULT
VALUE
REF
PAGE
CAPABILITY 0x19 Summary of PMBus optional communication
protocols supported by this device.
R Byte N Reg 0xB0
79
PMBUS_REVISION 0x98 PMBus revision supported by this device.
Current revision is 1.1.
R Byte N Reg 0x11
79
MFR_SPECIAL_ID 0xE7 Manufacturer code for identifying the LTC2974. R Word N Reg Y 0x0213
79
MFR_SPECIAL_LOT 0xE8 Customer dependent codes that identify the
factory programmed user configuration stored
in EEPROM. Contact factory for default value.
R Byte Y Reg Y
79