Holtek HT66F20 Manual page 46

• HT66F30
Bit 7
Name —
R/W —
POR —
Bit 7~6 Unimplemented, read as "0"
Bit 5~0 Data EEPROM address
Data EEPROM address bit 5~bit 0
• HT66F40
Bit 7
Name —
R/W —
POR —
Bit 7 Unimplemented, read as "0"
Bit 6~0 Data EEPROM address
Data EEPROM address bit 6~bit 0
• HT66F50/HT66F60
Bit 7
Name D�
R/W R/W
POR ×
Bit 7~0 Data EEPROM address
Data EEPROM address bit 7~bit 0
Rev. 2.50
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
6 5 4
— D5 D4
— R/W R/W
— × ×
6 5 4
D6 D5 D4
R/W R/W R/W
× × ×
6 5 4
D6 D5 D4
R/W R/W R/W
× × ×
46
3 2 1
D3 D2 D�
R/W R/W R/W
× × ×
"x" �nknown
3 2 1
D3 D2 D�
R/W R/W R/W
× × ×
"x" �nknown
3 2 1
D3 D2 D�
R/W R/W R/W
× × ×
"x" �nknown
��ne 22� 20��
0
D0
R/W
×
0
D0
R/W
×
0
D0
R/W
×