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

• 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

• 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 twomodes 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