C8051F02X Datasheet, PDF (35/272 Pages) Silicon Laboratories – 8K ISP FLASH MCU Family

C8051F020/1/2/3
Table 4.1. Pin Definitions
Pin Numbers
Name
F020 F021 Type Description
F022 F023
/RD/P0.6
56 49 D I/O /RD Strobe for External Memory Address bus
Port 0.6
See Port Input/Output section for complete description.
/WR/P0.7
55 48 D I/O /WR Strobe for External Memory Address bus
Port 0.7
See Port Input/Output section for complete description.
AIN1.0/A8/P1.0 36
29 A In ADC1 Input Channel 0 (See ADC1 Specification for complete
D I/O description).
Bit 8 External Memory Address bus (Non-multiplexed mode)
Port 1.0
See Port Input/Output section for complete description.
AIN1.1/A9/P1.1 35
28 A In Port 1.1. See Port Input/Output section for complete description.
D I/O
AIN1.2/A10/P1.2 34
27 A In Port 1.2. See Port Input/Output section for complete description.
D I/O
AIN1.3/A11/P1.3 33
26 A In Port 1.3. See Port Input/Output section for complete description.
D I/O
AIN1.4/A12/P1.4 32
23 A In Port 1.4. See Port Input/Output section for complete description.
D I/O
AIN1.5/A13/P1.5 31
22 A In Port 1.5. See Port Input/Output section for complete description.
D I/O
AIN1.6/A14/P1.6 30
21 A In Port 1.6. See Port Input/Output section for complete description.
D I/O
AIN1.7/A15/P1.7 29
20 A In Port 1.7. See Port Input/Output section for complete description.
D I/O
A8m/A0/P2.0 46 37 D I/O Bit 8 External Memory Address bus (Multiplexed mode)
Bit 0 External Memory Address bus (Non-multiplexed mode)
Port 2.0
See Port Input/Output section for complete description.
A9m/A1/P2.1 45 36 D I/O Port 2.1. See Port Input/Output section for complete description.
A10m/A2/P2.2 44 35 D I/O Port 2.2. See Port Input/Output section for complete description.
A11m/A3/P2.3 43 34 D I/O Port 2.3. See Port Input/Output section for complete description.
A12m/A4/P2.4 42 33 D I/O Port 2.4. See Port Input/Output section for complete description.
A13m/A5/P2.5 41 32 D I/O Port 2.5. See Port Input/Output section for complete description.
Rev. 1.4
35