PIC18F8720 datasheet(18/380 Pages) MICROCHIP

18 / 380 page

PIC18F6520/8520/6620/8620/6720/8720

DS39609B-page 16

 2004 Microchip Technology Inc.

PORTE is a bidirectional I/O port.

RE0/RD/AD8

RE0

AD8(3)

I/O

TTL

Digital I/O.

Read control for Parallel Slave Port

(see WR and CS pins).

External memory address/data 8.

RE1/WR/AD9

RE1

AD9(3)

I/O

TTL

Digital I/O.

Write control for Parallel Slave Port

(see CS and RD pins).

External memory address/data 9.

RE2/CS/AD10

RE2

AD10(3)

I/O

TTL

Digital I/O.

Chip select control for Parallel Slave

Port (see RD and WR).

External memory address/data 10.

RE3/AD11

RE3

AD11(3)

I/O

TTL

Digital I/O.

External memory address/data 11.

RE4/AD12

RE4

AD12

I/O

TTL

Digital I/O.

External memory address/data 12.

RE5/AD13

RE5

AD13(3)

I/O

TTL

Digital I/O.

External memory address/data 13.

RE6/AD14

RE6

AD14(3)

I/O

TTL

Digital I/O.

External memory address/data 14.

RE7/CCP2/AD15

RE7

CCP2(1,4)

AD15(3)

I/O

TTL

Digital I/O.

Capture2 input/Compare2 output/

PWM2 output.

External memory address/data 15.

TABLE 1-2:

PIC18FXX20 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

Type

Buffer

Type

Description

PIC18F6X20 PIC18F8X20

Legend: TTL = TTL compatible input

CMOS = CMOS compatible input or output

ST = Schmitt Trigger input with CMOS levels

Analog = Analog input

= Input

= Output

= Power

= Open-Drain (no P diode to VDD)

Note 1:

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.

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