2001 Microchip Technology Inc.
DS39026C-page 1
PIC18CXX2
High Performance RISC CPU:
C compiler optimized architecture/instruction set
- Source code compatible with the PIC16CXX
instruction set
Linear program memory addressing to 2 Mbytes
Linear data memory addressing to 4 Kbytes
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
8 x 8 Single Cycle Hardware Multiplier
Peripheral Features:
High current sink/source 25 mA/25 mA
Three external interrupt pins
Timer0 module: 8-bit/16-bit timer/counter with
8-bit programmable prescaler
Timer1 module: 16-bit timer/counter
Timer2 module: 8-bit timer/counter with 8-bit
period register (time-base for PWM)
Timer3 module: 16-bit timer/counter
Secondary oscillator clock option - Timer1/Timer3
Two Capture/Compare/PWM (CCP) modules.
CCP pins that can be configured as:
- Capture input: 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.
Max. PWM freq. @: 8-bit resolution = 156 kHz
10-bit resolution = 39 kHz
Master Synchronous Serial Port (MSSP) module.
Two modes of operation:
- 3-wire SPI (supports all 4 SPI modes)
-I2C master and slave mode
Addressable USART module:
- Supports interrupt on Address bit
Parallel Slave Port (PSP) module
Pin Diagrams
Analog Features:
Compatible 10-bit Analog-to-Digital Converter
module (A/D) with:
- Fast sampling rate
- Conversion available during SLEEP
- DNL = ±1 LSb, INL = ±1 LSb
Programmable Low Voltage Detection (LVD)
module
- Supports interrupt-on-low voltage detection
Programmable Brown-out Reset (BOR)
Special Microcontroller Features:
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
CMOS Technology:
Low power, high speed EPROM technology
Fully static design
Wide operating voltage range (2.5V to 5.5V)
Industrial and Extended temperature ranges
Low power consumption
Device
On-Chip Program Memory
On-Chip
RAM
(bytes)
EPROM
(bytes)
# Single Word
Instructions
PIC18C242
16K
8192
512
PIC18C252
32K
16384
1536
PIC18C442
16K
8192
512
PIC18C452
32K
16384
1536
RB7
RB6
RB5
RB4
RB3/CCP2
*
RB2/INT2
RB1/INT1
RB0/INT0
VDD
VSS
RD7/PSP7
RD6/PSP6
RD5/PSP5
RD4/PSP4
RC7/RX/DT
RC6/TX/CK
RC5/SDO
RC4/SDI/SDA
RD3/PSP3
RD2/PSP2
MCLR/VPP
RA0/AN0
RA1/AN1
RA2/AN2/VREF-
RA3/AN3/VREF+
RA4/T0CKI
RA5/AN4/SS/LVDIN
RE0/RD/AN5
RE1/WR/AN6
RE2/CS/AN7
VDD
VSS
OSC1/CLKI
OSC2/CLKO/RA6
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
*
RC2/CCP1
RC3/SCK/SCL
RD0/PSP0
RD1/PSP1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
PIC1
8C4X
2
* RB3 is the alternate pin for the CCP2 pin multiplexing.
DIP, Windowed CERDIP
Note: Pin compatible with 40-pin PIC16C7X devices.
High Performance Microcontrollers with 10-bit A/D