2002 Microchip Technology Inc. Advance Information DS39558C-page 1
MPIC18F6520/8520
High Performance RISC CPU:
• Linear program memory addr essing to 32 Kbytes
• Linear data memory addressing to 2048 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 Cycl e Hardware Multiplier
• Pinout compatible to the
PIC18F6620/6720/8620/8720
External Memory Interface
(PIC18F8520 Devices Only):
• Address capabil i ty 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 Captu re/Compare/PWM (CCP ) modules:
- Capture is 16-bit, max. resolution 6.25 ns (TCY/16)
- Compare is 16-bit, max. resolution 100 ns (TCY)
- 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
2C™ Master and Slave mode
• Two Addressable USART modules:
- Supports RS-485 and RS-232
• Parallel Slave Port (PSP) module
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 (BOR)
• Dual analog comparators
- Programmable input/output configuration
Special Microcontroller Features:
• 100,0 00 eras e/w ri te cy cl e Enhan ced FLASH
program memory typical
• 1,000,000 erase/write cycle Data EEPROM
memory typica l
• 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
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
Device Program Memory Data Memory I/O 10-bit
A/D (ch) CCP
(PWM)
MSSP USART Timers
8-bit/16-bit Ext
Bus
Bytes # Single Word
Instructions SRAM
(bytes) EEPROM
(bytes) SPI Master
I2C
PIC18F6520 32K 16384 2048 1024 52 12 5 Y Y 2 2/3 N
PIC18F8520 32K 16384 2048 1024 68 16 5 Y Y 2 2/3 Y
64/80-pin High Performance, 256 Kbit Enhanced FLASH
Micr ocontrollers with A/D Product Brief
PIC18F6520/8520
DS39558C-page 2 Advance Information 2002 Microchip Technology Inc.
Pin Diagrams
PIC18F6520
1
2
3
4
5
6
7
8
9
10
11
12
13
14
38
37
36
35
34
33
50 49
17 18 19 20 21 22 23 24 25 26
RE2/CS
RE3
RE4
RE5
RE6
RE7/CCP2*
RD0/PSP0
VDD
VSS
RD1/PSP1
RD2/PSP2
RD3/PSP3
RD4/PSP4
RD5/PSP5
RD6/PSP6
RD7/PSP7
RE1/WR
RE0/RD
RG0/CCP3
RG1/TX2/CK2
RG2/RX2/DT2
RG3/CCP4
MCLR/VPP
RG4/CCP5
VSS
VDD
RF7/SS
RF6/AN11
RF4/AN9
RF3/AN8
RF2/AN7/C1OUT
RB0/INT0
RB1/INT1
RB2/INT2
RB3/INT3
RB4/KBI0
RB5/KBI1/PGM
RB6/KBI2/PGC
VSS
OSC2/CLKO/RA6
OSC1/CLKI
VDD
RB7/KBI3/PGD
RC4/SDI/SDA
RC3/SCK/SCL
RC2/CCP1
RF0/AN5
RF1/AN6/C2OUT
AVDD
AVSS
RA3/AN3/VREF+
RA2/AN2/VREF-
RA1/AN1
RA0/AN0
VSS
VDD
RA4/T0CKI
RA5/AN4/LVDIN
RC1/T1OSI/CCP2*
RC0/T1OSO/T13CLK
RC7/RX1/DT1
RC6/TX1/CK1
RC5/SDO
15
16
31
40
39
27 28 29 30 32
48
47
46
45
44
43
42
41
54 53 52 5158 57 56 5560 59
64 63 62 61
RF5/AN10/CVREF
64-pin TQFP
* CCP2 is multiplexed with RC1 when CCP2MX is set.
2002 Microchip Technology Inc. Advance Information DS39558C-page 3
PIC18F6520/8520
Pin Diagrams (Cont.’d)
PIC18F8520
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
47
46
45
44
43
42
41
40
39
64 63 62 61
21 22 23 24 25 26 27 28 29 30 31 32
RE2/AD10/CS***
RE3/AD11
RE4/AD12
RE5/AD13
RE6/AD14
RE7/AD15/CCP2**
RD0/AD0/PSP0***
VDD
VSS
RD1/AD1/PSP1***
RD2/AD2/PSP2***
RD3/AD3/PSP3***
RD4/AD4/PSP4***
RD5/AD5/PSP5***
RD6/AD6/PSP6***
RD7/AD7/PSP7***
***RE1/AD9/WR
***RE0/AD8/RD
RG0/CCP3
RG1/TX2/CK2
RG2/RX2/DT2
RG3/CCP4
MCLR/VPP
RG4/CCP5
VSS
VDD
RF7/SS
RF6/AN11
RF5/AN10/CVREF
RF4/AN9
RF3/AN8
RF2/AN7/C1OUT
RB0/INT0
RB1/INT1
RB2/INT2
RB3/INT3/CCP2*
RB4/KBI0
RB5/KBI1/PGM
RB6/KBI2/PGC
VSS
OSC2/CLKO/RA6
OSC1/CLKI
VDD
RB7/KBI3/PGD
RC4/SDI/SDA
RC3/SCK/SCL
RC2/CCP1
RF0/AN5
RF1/AN6/C2OUT
AVDD
AVSS
RA3/AN3/VREF+
RA2/AN2/VREF-
RA1/AN1
RA0/AN0
VSS
VDD
RA4/T0CKI
RA5/AN4/LVDIN
RC1/T1OSI/CCP2*
RC7/RX1/DT1
RC6/TX1/CK1
RC5/SDO
RJ0/ALE
RJ1/OE
RH1/A17
RH0/A16
1
2
RH2/A18
RH3/A19
17
18
RH7/AN15
RH6/AN14
RH5/AN13
RH4/AN12
RJ5
RJ4/BA0
37
RJ7/UB
RJ6/LB
50
49
RJ2/WRL
RJ3/WRH
19
20
33 34 35 36 38
58
57
56
55
54
53
52
51
60
59
68 67 66 6572 71 70 69
74 73
78 77 76 75
79
80
80-pin TQFP
RC0/T1OSO/T13CLK
* CCP2 is multiplexed with RC1 when CCP2MX is set.
** CCP2 is multiplexed by default with RE7 when the device is configured in Microcontroller mode.
*** PSP is available only in Microcontroller mode.
PIC18F6520/8520
DS39558C-page 4 Advance Information 2002 Microchip Technology Inc.
NOTES:
2002 Microchip Technology Inc. Advance Information DS39558C - page 5
Information contained in this publication regarding device
applications and the like is intended through sug gestion only
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
No representation or warranty is given and no liability is
assumed by Microc hip Technology Inc orporated with respect
to the accuracy or use of such inf orm ation, or inf ringement of
patents or other intellectual property rights arising from such
use or otherwise. Use of Microchip’s products as critical com-
ponents in life support systems is not authorized except with
express written approval by Microchip. No licenses are con-
veyed, implicitly or otherwise, under any intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, FilterLab,
KEELOQ, microID, MPLAB, PIC, PICmicro, PICMASTER,
PICSTART, PRO MATE, SEEVAL and The Embedded Control
Solutions Company are registered trademarks of Microchip Tech-
nology Incorporated in the U.S.A. and other countries.
dsPIC, ECONOMONITOR, FanSense, FlexRO M, fuzzyLAB,
In-Circuit Serial Programming, ICSP, ICEPIC, microPort,
Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM,
MXDEV, MXLAB, PICC, PICDEM, PICDEM.n et, rfPIC, Sele ct
Mode and Total Endurance are trademarks of Microchip
Technology Incorporated in the U.S.A.
Serialized Quick Turn Programming (SQTP) is a service mark
of Microchip Technology Incorpora ted in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2002, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system
certification for its worldwide headquarters,
design and wafer fabrication facilities in
Chandler and Tempe, Arizona in July 1999
and Mountain View, California in March 2002.
The Company’s quality system processes and
procedures are QS-9000 compliant for its
PICmicro® 8-bit MCUs, KEELOQ® code ho pp in g
devices, Serial EEPRO Ms, micrope riphera ls,
non-volatile memory and analog products. In
addition, Microchip’s quality system for the
design and manufacture of development
systems is ISO 9001 certified.
Note the following details of the code protection feature on PICmicro® MCUs.
•The PICmicro family meets the specifications contained in the Microchip Data Sheet.
•Microchip believes that its family of PICmicro microcontrollers is one of the most secure products of it s kind on the market today,
when used in the intended manner and under normal conditions.
•There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowl-
edge, require using the PICmicro microcontroller in a manner outside the operating specifications contained in the data sheet.
The person doing so may be engaged in theft of intellectual property.
•Microchip is willing to work with the customer who is concerned about the integrity of their code.
•Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable”.
•Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of
our product.
If you have any further questions about this matter, please contact the local sales office nearest to you.
DS39558C-page 1-6 Advance Information 2002 Microchip Technology Inc.
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