PIC16F882/883/884/886/887
3.5.4
RC3/SCK/SCL
3.5.6
RC5/SDO
Figure 3-14 shows the diagram for this pin. This pin is
configurable to function as one of the following:
Figure 3-16 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a SPI clock
• a general purpose I/O
• a serial data output
• an I2C™ clock
FIGURE 3-16:
BLOCK DIAGRAM OF RC5
FIGURE 3-14:
BLOCK DIAGRAM OF RC3
Port/SDO
Select
Data Bus
Data Bus
10
SDO
SSPEN
VDD
VDD
D
Q
01
D
CK
Q
Q
10
SCK
WR
PORTC
CK
WR
PORTC
I/O Pin
Q
01
I/O Pin
D
Q
Q
D
Q
Q
WR
CK
WR
TRISC
CK
VSS
TRISC
VSS
RD
TRISC
RD
TRISC
RD
PORTC
RD
PORTC
To SSPSR
3.5.5
RC4/SDI/SDA
Figure 3-15 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a SPI data I/O
• an I2C data I/O
FIGURE 3-15:
BLOCK DIAGRAM OF RC4
Data Bus
SSPEN
VDD
D
Q
SDI/SDA
10
WR
PORTC
CK
Q
01
I/O Pin
D
Q
Q
WR
TRISC
CK
VSS
RD
TRISC
RD
PORTC
To SSPSR
© 2007 Microchip Technology Inc.
Preliminary
DS41291D-page 55
MICROCHIP [ MICROCHIP ]
