Microchip Technology AC244049 Data Sheet
© 2009 Microchip Technology Inc.
DS41341E-page 77
PIC16F72X/PIC16LF72X
FIGURE 6-17:
BLOCK DIAGRAM OF RC4
FIGURE 6-18:
BLOCK DIAGRAM OF RC5
I/O Pin
V
DD
V
SS
D
Q
CK
Q
D
Q
CK
Q
RD
WR
WR
RD
Data Bus
PORTC
TRISC
TRISC
PORTC
To SSP SPI
0
1
SSPEN
SSPM = I
2
C
™
MODE
SDA FROM SSP
To SSP I
2
C
™
I
2
C
™
(1)
SDA Input
0
1
1
0
Data Input
(2)
Note 1:
I
2
C
™
Schmitt Trigger has special input levels.
2:
I
2
C
™
Slew Rate limiting controlled by SMP bit of SSPSTAT register.
0
1
I/O Pin
V
DD
V
SS
D
Q
CK
Q
D
Q
CK
Q
RD
WR
WR
RD
Data Bus
PORTC
TRISC
TRISC
PORTC
SDO
SSPEN
SSPM = SPI MODE
SDO
EN