MAX14001 Datasheet, PDF (30/34 Pages) Maxim Integrated Products – Configurable, Isolated 10-bit ADCs for Multi-Range Binary Inputs

MAX14001/MAX14002
Configuration Flowchart
Configurable, Isolated 10-bit ADCs for
Multi-Range Binary Inputs
POWER UP
FIELD SIDE POWER UP
FAULT ASSERTED
FLAGS:MV = 1
WAIT 100ms
READ FLAGS
0x02
DETERMINE ERROR(S)
N
(EXCEPT MV FLAG)
ENABLE SPI REGISTERS
WRITE
*FLAGS= 0x100?
Y
WRITE WEN
VALUE = 0x294
PREVENT MV FLAG
FROM GENERATING FAULT
DISABLE FAULT MV
FLTEN:EMV = 0
INCLUDING FLTEN, THL,
THU, INRR, INRT, INRP,
CFG
INCLUDING FLTV, THLV,
THUV, INRRV, INRTV,
INRPV, CFGV
WRITE
CONFIGURATION REGISTERS
WRITE
VERIFICATION REGISTERS
ENABLE MV FLAG
TO GENERATE FAULT
ENABLE FAULT MV
WRITE FLTEN AND FLTEV
DISABLE SPI REGISTERS
WRITE
WRITE WEN
VALUE = 0x000
VERIFY SYSTEM SETTINGS
READ BACK
CONFIGURATION REGISTERS
READ TO CLEAR FLAGS:MV
BIT
READ FLAGS
0x02
READ FLAGS
0x02
DETERMINE
ERROR(S)
N
*FLAGS= 0x000?
Y
ENABLE REGISTERS WRITE
WRITE WEN
VALUE = 0x294
ENABLE FIELD SIDE CURRENT SINK
READ TO CLEAR FLAGS:MV BIT
FLAGS:MV IS SET DUE TO ENBL AND
ENBLV WRITE.
WRITE ENBL:ENA = 1
AND ENBLV
READ FLAGS
0x02
READ FLAGS
0x02
DETERMINE
N
ERROR(S)
DISABLE SPI REGISTERS
WRITE
*FLAGS= 0x000?
Y
WRITE WEN
VALUE = 0x000
NORMAL OPERATION
Figure 12. Register Programming for Configuration of MAX14001/MAX14002 After Power-On-Reset
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