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PIC18FXX8 Datasheet, PDF (3/402 Pages) Microchip Technology – 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module | |||
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PIC18FXX8
28/40-Pin High-Performance, Enhanced Flash
Microcontrollers with CAN
High-Performance RISC CPU:
⢠Linear program memory addressing up to
2 Mbytes
⢠Linear data memory addressing to 4 Kbytes
⢠Up to 10 MIPS operation
⢠DC â 40 MHz clock input
⢠4 MHz-10 MHz oscillator/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 â Timer1/Timer3
⢠Capture/Compare/PWM (CCP) modules;
CCP pins can be configured as:
- Capture input: 16-bit, max resolution 6.25 ns
- Compare: 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
⢠Enhanced CCP module which has all the features
of the standard CCP module, but also has the
following features for advanced motor control:
- 1, 2 or 4 PWM outputs
- Selectable PWM polarity
- Programmable PWM dead time
⢠Master Synchronous Serial Port (MSSP) with 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
Advanced Analog Features:
⢠10-bit, up to 8-channel Analog-to-Digital Converter
module (A/D) with:
- Conversion available during Sleep
- Up to 8 channels available
⢠Analog Comparator module:
- Programmable input and output multiplexing
⢠Comparator Voltage Reference module
⢠Programmable Low-Voltage Detection (LVD) module:
- Supports interrupt-on-Low-Voltage Detection
⢠Programmable Brown-out Reset (BOR)
CAN bus Module Features:
⢠Complies with ISO CAN Conformance Test
⢠Message bit rates up to 1 Mbps
⢠Conforms to CAN 2.0B Active Spec with:
- 29-bit Identifier Fields
- 8-byte message length
- 3 Transmit Message Buffers with prioritization
- 2 Receive Message Buffers
- 6 full, 29-bit Acceptance Filters
- Prioritization of Acceptance Filters
- Multiple Receive Buffers for High Priority
Messages to prevent loss due to overflow
- Advanced Error Management Features
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
⢠Programmable code protection
⢠Power-saving Sleep mode
⢠Selectable oscillator options, including:
- 4x Phase Lock Loop (PLL) of primary oscillator
- Secondary Oscillator (32 kHz) clock input
⢠In-Circuit Serial ProgrammingTM (ICSPTM) via two pins
Flash Technology:
⢠Low-power, high-speed Enhanced Flash technology
⢠Fully static design
⢠Wide operating voltage range (2.0V to 5.5V)
⢠Industrial and Extended temperature ranges
 2004 Microchip Technology Inc.
DS41159D-page 1
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