User manual

45 MIC-3392MIL User Manual
Chapter 3 Pre-heating for the MIC-3392MILC
Table 3.1: Internal register map for the pre-heat firmware controller
INDEX
[Hex]
Description Direction
Default
Value [Hex]
0x00
DEVID_MSB
Device ID register MSB
read only (FW fixed) 0x33
0x01
DEVID_LSB
Device ID register LSB
read only (FW fixed)
0x92
0x02
FW_REV_MSB
FW version register MSB
read only (FW fixed) xx
0x03
FW_REV_LSB
FW version register LSB
read only (FW fixed) xx
0x08
REG_SCRATCH
Scratch register
read write (static init) 0x00
0x10
TEMP_DS1631
DS1613 temp value
read only (dynamic reading) xx
0x20
TEMP_PREHEAT
Temperature limit for preheat
circuit activation
read write (stored in EEPROM)
0xE2 = -30° C
signed 8 bit
value
(-128 .. 127)
0x21
TEMP_HIST
Positive hysteresis for preheat
circuit deactivation
read write (stored in EEPROM) 0x00 = 0° C
0x30
PREHEAT_MODE
0 = standard preheat mode
1 = extended preheat mode
read write (stored in EEPROM) 0x01
0x31
PREHEAT_TON
Time duration of system reset
de-assertion in extended
mode (seconds)
read write (stored in EEPROM) 0x05
0x32
PREHEAT_TOFF Time dura-
tion of system reset assertion
in extended mode (seconds)
read write (stored in EEPROM) 0x01