PIC18F8720 datasheet(10/380 Pages) MICROCHIP

10 / 380 page

PIC18F6520/8520/6620/8620/6720/8720

DS39609B-page 8

 2004 Microchip Technology Inc.

1.2

Details on Individual Family

Members

The PIC18FXX20 devices are available in 64-pin and

80-pin packages. They are differentiated from each

other in five ways:

Flash

program

memory

(32 Kbytes

for

PIC18FX520

devices,

64 Kbytes

for

PIC18FX620

devices

and

128 Kbytes

for

PIC18FX720 devices)

Data

RAM

(2048

bytes

for

PIC18FX520

devices, 3840 bytes for PIC18FX620 and

PIC18FX720 devices)

A/D channels (12 for PIC18F6X20 devices,

16 for PIC18F8X20)

I/O pins (52 on PIC18F6X20 devices, 68 on

PIC18F8X20)

External program memory interface (present

only on PIC18F8X20 devices)

All other features for devices in the PIC18FXX20 family

are identical. These are summarized in Table 1-1.

Block diagrams of the PIC18F6X20 and PIC18F8X20

devices are provided in Figure 1-1 and Figure 1-2,

respectively. The pinouts for these device families are

listed in Table 1-2.

TABLE 1-1:

PIC18FXX20 DEVICE FEATURES

Features

PIC18F6520

PIC18F6620

PIC18F6720

PIC18F8520

PIC18F8620

PIC18F8720

Operating Frequency

DC – 40 MHz

DC – 25 MHz

DC – 40 MHz

DC – 25 MHz

Program Memory

(Bytes)

32K

64K

128K

32K

64K

128K

Program Memory

(Instructions)

16384

32768

65536

16384

32768

65536

Data Memory

(Bytes)

2048

3840

2048

3840

Data EEPROM

Memory (Bytes)

1024

External Memory

Interface

Yes

Interrupt Sources

I/O Ports

Ports A, B, C,

D, E, F, G

Ports A, B, C, D,

E, F, G

Ports A, B, C, D,

E, F, G

Ports A, B, C,

D, E, F, G, H, J

Ports A, B, C,

D, E, F, G, H, J

Ports A, B, C,

D, E, F, G, H, J

Timers

Capture/Compare/

PWM Modules

Serial Communications

MSSP,

Addressable

USART (2)

MSSP,

Addressable

USART (2)

MSSP,

Addressable

USART (2)

MSSP,

Addressable

USART (2)

MSSP,

Addressable

USART (2)

MSSP,

Addressable

USART (2)

Parallel Communications

PSP

10-bit Analog-to-Digital

Module

12 input

channels

12 input

channels

12 input

channels

16 input

channels

16 input

channels

16 input

channels

Resets (and Delays)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST)

POR, BOR,

RESET

Instruction,

Stack Full,

Stack Underflow

(PWRT, OST)

Programmable

Low-Voltage Detect

Yes

Programmable

Brown-out Reset

Yes

Instruction Set

77 Instructions

Package

64-pin TQFP

80-pin TQFP

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