
Rev. 2.50
44
��ne 22� 20��
Rev. 2.50
45
��ne 22� 20��
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
EEPROM Register List
•
HT66F20
Name
Bit
7
6
5
4
3
2
1
0
EEA
—
—
—
D4
D3
D2
D�
D0
EED
D�
D6
D5
D4
D3
D2
D�
D0
EEC
—
—
—
—
WREN
WR
RDEN
RD
•
HT66F30
Name
Bit
7
6
5
4
3
2
1
0
EEA
—
—
D5
D4
D3
D2
D�
D0
EED
D�
D6
D5
D4
D3
D2
D�
D0
EEC
—
—
—
—
WREN
WR
RDEN
RD
•
HT66F40
Name
Bit
7
6
5
4
3
2
1
0
EEA
—
D6
D5
D4
D3
D2
D�
D0
EED
D�
D6
D5
D4
D3
D2
D�
D0
EEC
—
—
—
—
WREN
WR
RDEN
RD
•
HT66F50/HT66F60
Name
Bit
7
6
5
4
3
2
1
0
EEA
D�
D6
D5
D4
D3
D2
D�
D0
EED
D�
D6
D5
D4
D3
D2
D�
D0
EEC
—
—
—
—
WREN
WR
RDEN
RD
EEA Register
•
HT66F20
Bit
7
6
5
4
3
2
1
0
Name
—
—
—
D4
D3
D2
D�
D0
R/W
—
—
—
R/W
R/W
R/W
R/W
R/W
POR
—
—
—
×
×
×
×
×
"x" �nknown
Bit 7~5
Unimplemented, read as "0"
Bit 4~0
Data EEPROM address
Data EEPROM address bit 4~bit 0