M
Device
FLASH
(bytes)
PIC18F242
PIC18F252
PIC18F442
PIC18F452
16K
32K
16K
32K
PIC18FXX2
Peripheral Features (Continued):
• Addressable USART module:
- Supports RS-485 and RS-232
• Parallel Slave Port (PSP) module
28/40-pin High Performance, Enhanced FLASH
Microcontrollers with 10-Bit 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 32 Kbytes
•
Linear data memory addressing to 1.5 Kbytes
On-Chip Program
Memory
On-Chip
Data
RAM EEPROM
# Single Word (bytes)
(bytes)
Instructions
8192
16384
8192
16384
768
1536
768
1536
256
256
256
256
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)
• 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
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
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 (T
CY
/16)
- Compare is 16-bit, max. resolution 100 ns (T
CY
)
- 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)
- I
2
C™ Master and Slave mode
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
2002 Microchip Technology Inc.
DS39564B-page 1
ETC [ ETC ]
