PIC18F4450-ESLASHML datasheet(3/320 Pages) MICROCHIP

3 / 320 page

Advance Information

DS39760A-page 1

Universal Serial Bus Features:

• USB V2.0 Compliant

• Low speed (1.5 Mb/s) and full speed (12 Mb/s)

• Supports control, interrupt, isochronous and

bulk transfers

• Supports up to 32 endpoints (16 bidirectional)

• 256-byte dual access RAM for USB

• On-chip USB transceiver with on-chip voltage

regulator

• Interface for off-chip USB transceiver

Power-Managed Modes:

• Run: CPU on, peripherals on

• Idle: CPU off, peripherals on

• Sleep: CPU off, peripherals off

• Idle mode currents down to 5.8

μA typical

• Sleep mode currents down to 0.1

μA typical

• Timer1 oscillator: 1.8

μA typical, 32 kHz, 2V

• Watchdog Timer: 2.1

μA typical

• Two-Speed Oscillator Start-up

Flexible Oscillator Structure:

• Four Crystal modes, including High-Precision PLL

for USB

• Two External Clock modes, up to 48 MHz

• Internal 31 kHz oscillator

• Secondary oscillator using Timer1 @ 32 kHz

• Dual oscillator options allow microcontroller and

USB module to run at different clock speeds

• Fail-Safe Clock Monitor:

- Allows for safe shutdown if any clock stops

Peripheral Highlights:

• High-current sink/source: 25 mA/25 mA

• Three external interrupts

• Three Timer modules (Timer0 to Timer2)

• Capture/Compare/PWM (CCP) module:

- Capture is 16-bit, max. resolution 5.2 ns

- Compare is 16-bit, max. resolution 83.3 ns

- PWM output: PWM resolution is 1 to 10-bit

• Enhanced USART module:

- LIN bus support

• 10-bit, up to 13-channel Analog-to-Digital Converter

module (A/D):

- Up to 100 ksps sampling rate

- Programmable acquisition time

Special Microcontroller Features:

• C compiler optimized architecture with optional

extended instruction set

• Flash memory retention: > 40 years

• Self-programmable under software control

• Priority levels for interrupts

• 8 x 8 Single-Cycle Hardware Multiplier

• Extended Watchdog Timer (WDT):

- Programmable period from 4 ms to 131s

• Programmable Code Protection

• Single-Supply In-Circuit Serial Programming™

(ICSP™) via two pins

• In-Circuit Debug (ICD) via two pins

• Optional dedicated ICD/ICSP port

(44-pin TQFP devices only)

• Wide operating voltage range (2.0V to 5.5V)

Device

Program Memory

Data

Memory

SRAM

(bytes)

I/O

10-Bit A/D

(ch)

CCP

EUSART

Timers

8/16-Bit

Flash

(bytes)

# Single-Word

Instructions

PIC18F2450

16K

8192

768*

1/2

PIC18F4450

16K

8192

768*

1/2

Includes 256 bytes of dual access RAM used by USB module and shared with data memory.

28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash,

USB Microcontrollers with nanoWatt Technology

PIC18F2450/4450

PIC18F4450-E/ML Datasheet(PDF) 3 Page - Microchip Technology

PIC18F4450-E/ML Datasheet(HTML) 3 Page - Microchip Technology

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