W79E648 Datasheet, PDF (22/80 Pages) Winbond – Fast 8051 Compatible microcontroller with a redesigned Processor

Preliminary W79E648
Port 5
Bit:
7
6
5
4
3
2
1
0
P5.7 P5.6 P5.5 P5.4 P5.3 P5.2 P5.1 P5.0
Mnemonic: P5
Address: B1h
P5.7-0: General purpose I/O port. Port 5 can not use bit-addressable instruction (SETB or CLR).
Demo code:
ORL P5,#00000010B
ANL P5,#11111101B
; Set P5.1=H
; Clear P5.1=L
Port 6
Bit:
7
6
5
4
3
2
1
0
P6.7 P6.6 P6.5 P6.4 P6.3 P6.2 P6.1 P6.0
Mnemonic: P6
Address: B2h
P6.7-0: General purpose I/O port. Port 6 can not use bit-addressable instruction (SETB or CLR).
Port 7
Bit:
7
6
5
4
3
2
1
0
P7.7 P7.6 P7.5 P7.4 P7.3 P7.2 P7.1 P7.0
Mnemonic: P7
Address: B3h
P7.7-0: General purpose I/O port. Port 7 can not use bit-addressable instruction (SETB or CLR).
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