
C8051F040/1/2/3/4/5/6/7
42
Rev. 1.5
P6.4/A12m/A4
76
D I/O
Port 6.4. See Port Input/Output section for complete
description.
P6.5/A13m/A5
75
D I/O
Port 6.5. See Port Input/Output section for complete
description.
P6.6/A14m/A6
74
D I/O
Port 6.6. See Port Input/Output section for complete
description.
P6.7/A15m/A7
73
D I/O
Port 6.7. See Port Input/Output section for complete
description.
P7.0/AD0/D0
72
D I/O
Bit 0 External Memory Address/Data bus (Multiplexed
mode)
Bit 0 External Memory Data bus (Non-multiplexed mode)
Port 7.0
See Port Input/Output section for complete description.
P7.1/AD1/D1
71
D I/O
Port 7.1. See Port Input/Output section for complete
description.
P7.2/AD2/D2
70
D I/O
Port 7.2. See Port Input/Output section for complete
description.
P7.3/AD3/D3
69
D I/O
Port 7.3. See Port Input/Output section for complete
description.
P7.4/AD4/D4
68
D I/O
Port 7.4. See Port Input/Output section for complete
description.
P7.5/AD5/D5
67
D I/O
Port 7.5. See Port Input/Output section for complete
description.
P7.6/AD6/D6
66
D I/O
Port 7.6. See Port Input/Output section for complete
description.
P7.7/AD7/D7
65
D I/O
Port 7.7. See Port Input/Output section for complete
description.
Table 4.1. Pin Definitions (Continued)
Name
Pin Numbers
Type
Description
F040/2/4/6 F041/3/5/7