PIC18FXX20
64/80-Pin High Performance, 1 Mbit Enhanced FLASH
Microcontrollers with A/D
High Performance RISC CPU:
• C compiler optimized architecture/instruction set:
- Source code compatible with the PIC16 and
PIC17 instruction sets
• Linear program memory addressing to 128 Kbytes
• Linear data memory addressing to 3840 bytes
• 1 Kbyte of data EEPROM
• Up to 10 MIPs operation:
- DC - 40 MHz osc./clock input
- 4 MHz - 10 MHz osc./clock input with PLL active
• 16-bit wide instructions, 8-bit wide data path
• Priority levels for interrupts
• 31-level, software accessible hardware stack
• 8 x 8 Single Cycle Hardware Multiplier
Analog Features:
• 10-bit, up to 16-channel Analog-to-Digital
Converter (A/D):
- Conversion available during SLEEP
• Programmable 16-level Low Voltage Detection
(LVD) module:
- Supports interrupt on Low Voltage Detection
• Programmable Brown-out Reset (PBOR)
• Dual analog comparators:
- Programmable input/output configuration
Special Microcontroller Features:
• 100,000 erase/write cycle Enhanced FLASH
program memory typical
• 1,000,000 erase/write cycle Data EEPROM
memory typical
• 1 second programming time
• FLASH/Data EEPROM Retention: > 40 years
• Self-reprogrammable under software control
• Power-on Reset (POR), Power-up Timer (PWRT)
and Oscillator Start-up Timer (OST)
• Watchdog Timer (WDT) with its own On-Chip
RC Oscillator for reliable operation
• Programmable code protection
• Power Saving SLEEP mode
• Selectable oscillator options including:
- 4X Phase Lock Loop (of primary oscillator)
- Secondary Oscillator (32 kHz) clock input
• In-Circuit Serial Programming™ (ICSP™) via
two pins
• MPLAB
®
In-Circuit Debug (ICD) via two pins
External Memory Interface
(PIC18F8X20 Devices Only):
• Address capability of up to 2 Mbytes
• 16-bit interface
Peripheral Features:
High current sink/source 25 mA/25 mA
Four external interrupt pins
Timer0 module: 8-bit/16-bit timer/counter
Timer1 module: 16-bit timer/counter
Timer2 module: 8-bit timer/counter
Timer3 module: 16-bit timer/counter
Timer4 module: 8-bit timer/counter
Secondary oscillator clock option - Timer1/Timer3
Five Capture/Compare/PWM (CCP) modules:
- Capture is 16-bit, max. resolution 6.25 ns (T
CY
/16)
- Compare is 16-bit, max. resolution 100 ns (T
CY
)
- PWM output: PWM resolution is 1- to 10-bit
• Master Synchronous Serial Port (MSSP) module
with two modes of operation:
- 3-wire SPI™ (supports all 4 SPI modes)
- I
2
C™ Master and Slave mode
• Two Addressable USART modules:
- Supports RS-485 and RS-232
• Parallel Slave Port (PSP) module
Program Memory
Device
PIC18F6520
PIC18F6620
PIC18F6720
PIC18F8520
PIC18F8620
PIC18F8720
Data Memory
•
•
•
•
•
•
•
•
•
CMOS Technology:
•
•
•
•
Low power, high speed FLASH technology
Fully static design
Wide operating voltage range (2.0V to 5.5V)
Industrial and Extended temperature ranges
# Single Word SRAM EEPROM
Bytes
Instructions (bytes) (bytes)
32K
64K
128K
32K
64K
128K
16384
32768
65536
16384
32768
65536
2048
3840
3840
2048
3840
3840
1024
1024
1024
1024
1024
1024
10-bit A/D CCP
I/O
(ch)
(PWM)
52
52
52
68
68
68
12
12
12
16
16
16
5
5
5
5
5
5
MSSP
SPI
Y
Y
Y
Y
Y
Y
Timers
Master USART 8-bit/16-bit
I
2
C
Y
Y
Y
Y
Y
Y
2
2
2
2
2
2
2/3
2/3
2/3
2/3
2/3
2/3
Ext
Bus
N
N
N
Y
Y
Y
2003 Microchip Technology Inc.
Advance Information
DS39609A-page 1
MICROCHIP [ MICROCHIP TECHNOLOGY ]
