HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
EEPROM Register List
• HT66F20
Name
7
EEA
—
EED
D�
EEC
—
• HT66F30
Name
7
EEA
—
EED
D�
EEC
—
• HT66F40
Name
7
EEA
—
EED
D�
EEC
—
• HT66F50/HT66F60
Name
7
EEA
D�
EED
D�
EEC
—
EEA Register
• HT66F20
Bit
7
Name
—
R/W
—
POR
—
Bit 7~5
Unimplemented, read as "0"
Bit 4~0
Data EEPROM address
Data EEPROM address bit 4~bit 0
Rev. 2.50
Bit
6
5
4
—
—
D4
D6
D5
D4
—
—
—
WREN
Bit
6
5
4
—
D5
D4
D6
D5
D4
—
—
—
Bit
6
5
4
D6
D5
D4
D6
D5
D4
—
—
—
Bit
6
5
4
D6
D5
D4
D6
D5
D4
—
—
—
6
5
4
—
—
D4
—
—
R/W
—
—
×
45
3
2
1
D3
D2
D�
D3
D2
D�
WR
RDEN
3
2
1
D3
D2
D�
D3
D2
D�
WREN
WR
RDEN
3
2
1
D3
D2
D�
D3
D2
D�
WREN
WR
RDEN
3
2
1
D3
D2
D�
D3
D2
D�
WREN
WR
RDEN
3
2
1
D3
D2
D�
R/W
R/W
R/W
×
×
×
"x" �nknown
��ne 22� 20��
0
D0
D0
RD
0
D0
D0
RD
0
D0
D0
RD
0
D0
D0
RD
0
D0
R/W
×
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