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PIC18F6520-I Datasheet, PDF (21/380 Pages) Micrel Semiconductor – 64/80-Pin High-Performance, 256 Kbit to 1 Mbit Enhanced Flash Microcontrollers with A/D
PIC18F6520/8520/6620/8620/6720/8720
TABLE 1-2: PIC18FXX20 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
PIC18F6X20 PIC18F8X20 Type
Buffer
Type
Description
PORTH is a bidirectional I/O port(5).
RH0/A16
RH0
A16
—
79
I/O
ST
Digital I/O.
O
TTL
External memory address 16.
RH1/A17
RH1
A17
—
80
I/O
ST
Digital I/O.
O
TTL
External memory address 17.
RH2/A18
RH2
A18
—
1
I/O
ST
Digital I/O.
O
TTL
External memory address 18.
RH3/A19
RH3
A19
—
2
I/O
ST
Digital I/O.
O
TTL
External memory address 19.
RH4/AN12
RH4
AN12
—
22
I/O
ST
Digital I/O.
I Analog
Analog input 12.
RH5/AN13
RH5
AN13
—
21
I/O
ST
Digital I/O.
I Analog
Analog input 13.
RH6/AN14
RH6
AN14
—
20
I/O
ST
Digital I/O.
I Analog
Analog input 14.
RH7/AN15
RH7
AN15
—
19
I/O
ST
Digital I/O.
I Analog
Analog input 15.
Legend:
Note 1:
2:
3:
4:
5:
6:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
CMOS = CMOS compatible input or output
Analog = Analog input
O
= Output
OD = Open-Drain (no P diode to VDD)
Alternate assignment for CCP2 when CCP2MX is not selected (all operating modes except
Microcontroller).
Default assignment when CCP2MX is set.
External memory interface functions are only available on PIC18F8X20 devices.
CCP2 is multiplexed with this pin by default when configured in Microcontroller mode. Otherwise, it is
multiplexed with either RB3 or RC1.
PORTH and PORTJ are only available on PIC18F8X20 (80-pin) devices.
AVDD must be connected to a positive supply and AVSS must be connected to a ground reference for
proper operation of the part in user or ICSP modes. See parameter D001A for details.
 2004 Microchip Technology Inc.
DS39609B-page 19