Datasheet

2010-2012 Microchip Technology Inc. DS41417B-page 71
PIC16(L)F722A/723A
FIGURE 6-17: BLOCK DIAGRAM OF RC4
FIGURE 6-18: BLOCK DIAGRAM OF RC5
I/O Pin
VDD
VSS
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
VDD
VSS
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