Rev. 2.50 214 June 22, 2017 Rev. 2.50 215 June 22, 2017
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
MFI2 Register
Bit 7 6 5 4 3 2 1 0
Name DEF LVF XPF SIMF DEE LVE XPE SIME
R/W R/W R/W R/W R/W R/W R/W R/W R/W
POR 0 0 0 0 0 0 0 0
Bit7 DEF:DataEEPROMinterruptrequestag
0:Norequest
1:Interruptrequest
Bit6 LVF:LVDinterruptrequestag
0:Norequest
1:Interruptrequest
Bit5 XPF:Externalperipheralinterruptrequestag
0:Norequest
1:Interruptrequest
Bit4 SIMF:SIMinterruptrequestag
0:Norequest
1:Interruptrequest
Bit3 DEE:DataEEPROMInterruptControl
0:Disable
1:Enable
Bit2 LVE:LVDInterruptControl
0:Disable
1:Enable
Bit1 XPE:ExternalPeripheralInterruptControl
0:Disable
1:Enable
Bit0 SIME:SIMInterruptControl
0:Disable
1:Enable
MFI3 Register
• HT66F50/HT66F60
Bit 7 6 5 4 3 2 1 0
Name — — T3AF T3PF — — T3AE T3PE
R/W — — R/W R/W — — R/W R/W
POR — — 0 0 — — 0 0
Bit7~6 Unimplemented,readas“0”
Bit5 T3AF:TM3ComparatorAmatchinterruptrequestag
0:Norequest
1:Interruptrequest
Bit4 T3PF:TM3ComparatorPmatchinterruptrequestag
0:Norequest
1:Interruptrequest
Bit3~2 Unimplemented,readas“0”
Bit1 T3AE:TM3ComparatorAmatchinterruptcontrol
0:Disable
1:Enable
Bit0 T3PE:TM3ComparatorPmatchinterruptcontrol
0:Disable
1:Enable