Holtek HT66F20 Manual page 87

HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
PFPU Register
• HT66F60
Bit 7
Name D�
R/W R/W
POR 0
Bit 7~0 I/O Port bit 7~bit 0 Pull-High Control
0: Disable
1: Enable
PBPU Register
• HT66F20/HT66F30
Bit 7
Name —
R/W —
POR —
Bit 7~6 Unimplemented, read as "0"
Bit 5~0 PBPU: Port B bit 5~bit 0 Pull-High Control
0: Disable
1: Enable
PCPU Register
• HT66F20
Bit 7
Name —
R/W —
POR —
Bit 7~4 Unimplemented, read as "0"
Bit 3~0 PCPU: Port C bit 3~bit 0 Pull-High Control
0: Disable
1: Enable
PFPU Register
• HT66F40/HT66F50
Bit 7
Name —
R/W —
POR —
Bit 7~2 Unimplemented, read as "0"
Bit 1~0 PFPU: Port F bit 1~bit 0 Pull-High Control
0: Disable
1: Enable
Rev. 2.50
6 5 4
D6 D5 D4
R/W R/W R/W
0 0 0
6 5 4
— D5 D4
— R/W R/W
— 0 0
6 5 4
— — —
— — —
— — —
6 5 4
— — —
— — —
— — —
8�
3 2 1
D3 D2 D�
R/W R/W R/W
0 0 0
3 2 1
D3 D2 D�
R/W R/W R/W
0 0 0
3 2 1
D3 D2 D�
R/W R/W R/W
0 0 0
3 2 1
— — D�
— — R/W
— — 0
��ne 22� 20��
0
D0
R/W
0
0
D0
R/W
0
0
D0
R/W
0
0
D0
R/W
0