PIC18F458

Microchip PIC18f458

40-Pin High-Performance, Enhanced Flash Micro controllers with CAN Module

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 – 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
• Timer 0 module : 8-bit/16-bit timer/counter with 8-bit programmable prescaler
• Timer1 module : 16-bit timer/counter
• Timer 2 module : 8-bit timer/counter with 8-bit period register (time base for PWM)
• Timer 3 module : 16-bit timer/counter
• Secondary oscillator clock option – 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 featuresof 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

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