IBASE Technology MPT-1000V, User Manual

Page: 100 / 111

92 MPT-1000V User’s Manual
 Communications flow
Communication between PC and Security MCU utilizes Master-Slave
model, where PC is a master, and Security MCU is a slave. Master
sends requests to the slave, and slave has to reply to them. Slave acts
like a passive device and cannot send any requests to the master.
3.)
Command and Reply Codes
 Summary
Code Value Description
GET_FIRMWARE_VERSION 0x01 Get Firmware version
SET_POWER_ON_DELAY_TIMER 0x24 Power on delay timer
setting
SET_POWER_OFF_DELAY_TIMER 0x25 Power off delay timer
setting
SET_DC_OFF_DELAT_TIMER S 0x26 DC off delay timer
setting
SET_LOW_DELAY_TIMER 0x27 CB & PB protect
voltage timer setting
SET_THL_DELAY_TIMER 0x28 Temperature protect
timer setting
SET_THL_MAX 0xA0 High temperature
protect setting
SET_THL_LOW 0xA1 Low temperature
protect setting
GET_THL_NOW 0xA2 Get current
temperature
SET_CB_UVP 0xB0 Setting Low voltage
protect for CB(car
battery)
SET_PB_UVP 0xB1 Setting Low voltage
protect for PB(ups
battery)
SET_CB_POWRE_GOOD 0xB2 Setting CB (car battery)
good voltage
SET_PB_POWRE_GOOD 0xB3 Setting PB (ups
battery) good voltage
GET_CURRENT_CB_PB_VOLTAGE 0xB4 Get current voltage for
CB & PB