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 32 Kbytes
? Linear data memory addressing to 1.5 Kbytes

PIC18F452 32K 16384 1536 256

? 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

Peripheral Features (Continued):
? Addressable USART module:
- Supports RS-485 and RS-232
? Parallel Slave Port (PSP) module

Analog Features:
? Compatible 10-bit Analog-to-Digital Converter
module (A/D) with:
- Fast sampling rate
- Conversion available during SLEEP
- Linearity ≤ 1 LSb
? Programmable Low Voltage Detection (PLVD)
- Supports interrupt on-Low Voltage Detection
? Programmable Brown-out Reset (BOR)

Special Microcontroller Features:
? 100,000 erase/write cycle Enhanced FLASH
program memory typical
? 1,000,000 erase/write cycle Data EEPROM
memory
? 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
? Single supply 5V In-Circuit Serial Programming?
(ICSP?) via two pins
? In-Circuit Debug (ICD) via two pins

CMOS Technology:
? Low power, high speed FLASH/EEPROM
technology
? Fully static design
? Wide operating voltage range (2.0V to 5.5V)
? Industrial and Extended temperature ranges
? Low power consumption:
- < 1.6 mA typical @ 5V, 4 MHz
- 25 µA typical @ 3V, 32 kHz
- < 0.2 µA typical standby current