Holtek HT68F Series Manual page 88

PBC Register
• HT68F20/HT68F30
Bit 7
Name —
R/W —
POR —
Bit 7~6 Unimplemented, read as "0"
PBC: Port B bit 5~bit 0 Input/Output Control
Bit 5~0
0: Output
1: Input
PCC Register
• HT68F20
Bit 7
Name —
R/W —
POR —
Bit 7~4 Unimplemented, read as "0"
Bit 3~0 PCC: Port C bit 3~bit 0 Input/Output Control
0: Output
1: Input
PFC Register
• HT68F40/HT68F50
Bit 7
Name —
R/W —
POR —
Bit 7~2 Unimplemented, read as "0"
Bit 1~0 PFC: Port F bit 1~bit 0 Input/Output Control
0: Output
1: Input
PGC Register
• HT68F60
Bit 7
Name —
R/W —
POR —
Bit 7~2 Unimplemented, read as "0"
Bit 1~0 PGC: Port G bit 1~bit 0 Input/Output Control
0: Output
1: Input
Rev. 2.10
HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
6 5 4
— D5 D�
— R/W R/W
— 0 0
6 5 4
— — —
— — —
— — —
6 5 4
— — —
— — —
— — —
6 5 4
— — —
— — —
— — —
88
3 2 1
D3 D2 D1
R/W R/W R/W
0 0 0
3 2 1
D3 D2 D1
R/W R/W R/W
0 0 0
3 2 1
— — D1
— — R/W
— — 0
3 2 1
— — D1
— — R/W
— — 0
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0
D0
R/W
0
0
D0
R/W
0
0
D0
R/W
0
0
D0
R/W
0