C8051F850-C-GM Datasheet, PDF (36/328 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

Table 3.1. Pin Definitions for C8051F850/1/2/3/4/5-GU and C8051F850/1/2/3/4/5-IU
Pin Name
Type
P0.0
Standard I/O
4
P0.1
Standard I/O
3
P0.2
Standard I/O
2
P0.3 /
Standard I/O /
23
EXTCLK External CMOS Clock Input
P0.4
Standard I/O
22
P0.5
Standard I/O
21
P0.6
Standard I/O
20
P0.7
Standard I/O
19
Yes P0MAT.0
INT0.0
INT1.0
Yes P0MAT.1
INT0.1
INT1.1
Yes P0MAT.2
INT0.2
INT1.2
Yes P0MAT.3
EXTCLK
INT0.3
INT1.3
Yes P0MAT.4
INT0.4
INT1.4
Yes P0MAT.5
INT0.5
INT1.5
Yes P0MAT.6
CNVSTR
INT0.6
INT1.6
Yes P0MAT.7
INT0.7
INT1.7
ADC0.0
CP0P.0
CP0N.0
VREF
ADC0.1
CP0P.1
CP0N.1
AGND
ADC0.2
CP0P.2
CP0N.2
ADC0.3
CP0P.3
CP0N.3
ADC0.4
CP0P.4
CP0N.4
ADC0.5
CP0P.5
CP0N.5
ADC0.6
CP0P.6
CP0N.6
ADC0.7
CP0P.7
CP0N.7
32
Rev. 1.0