
2004 Microchip Technology Inc.
Preliminary
DS39646B-page 29
PIC18F8722 FAMILY
PORTH is a bidirectional I/O port.
RH0/A16
RH0
A16
79
I/O
I/O
ST
TTL
Digital I/O.
External memory address/data 16.
RH1/A17
RH1
A17
80
I/O
I/O
ST
TTL
Digital I/O.
External memory address/data 17.
RH2/A18
RH2
A18
1
I/O
I/O
ST
TTL
Digital I/O.
External memory address/data 18.
RH3/A19
RH3
A19
2
I/O
I/O
ST
TTL
Digital I/O.
External memory address/data 19.
RH4/AN12/P3C
RH4
AN12
P3C
(5)
22
I/O
I
O
ST
Analog
—
Digital I/O.
Analog input 12.
ECCP3 PWM output C.
RH5/AN13/P3B
RH5
AN13
P3B
(5)
21
I/O
I
O
ST
Analog
—
Digital I/O.
Analog input 13.
ECCP3 PWM output B.
RH6/AN14/P1C
RH6
AN14
P1C
(5)
20
I/O
I
O
ST
Analog
—
Digital I/O.
Analog input 14.
ECCP1 PWM output C.
RH7/AN15/P1B
RH7
AN15
P1B
(5)
Legend:
19
I/O
I
O
ST
Analog
—
Digital I/O.
Analog input 15.
ECCP1 PWM output B.
CMOS
Analog
O
I
2
C/SMB = I
2
C/SMBus input buffer
TABLE 1-4:
PIC18F8527/8622/8627/8722 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Number
Pin
Type
Type
TQFP
Pin Name
Buffer
Description
TTL = TTL compatible input
ST
= Schmitt Trigger input with CMOS levels
I
= Input
P
= Power
Alternate assignment for ECCP2 when configuration bit CCP2MX is cleared (all operating modes except
Microcontroller mode).
Default assignment for ECCP2 in all operating modes (CCP2MX is set).
Alternate assignment for ECCP2 when CCP2MX is cleared (Microcontroller mode only).
Default assignment for P1B/P1C/P3B/P3C (ECCPMX is set).
Alternate assignment for P1B/P1C/P3B/P3C (ECCPMX is clear).
= CMOS compatible input or output
= Analog input
= Output
Note 1:
2:
3:
4:
5: