PIC18F4550-I/PT Microchip Technology Inc., PIC18F4550-I/PT Datasheet - Page 3

• Manufacturer Part Number: PIC18F4550-I/PT
• Description: 44 PIN, 32 KB FLASH, 2048 RAM, FS-USB 2.0
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F4550-I/PT

• A/d Inputs: 13-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 12 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 34
• Interface: I2C/SPI/UART/USART/USB
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• Programmable Memory: 32K Bytes
• Ram Size: 2K Bytes
• Speed: 48 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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
• Supports up to 32 Endpoints (16 bidirectional)
• 1-Kbyte Dual Access RAM for USB
• On-Chip USB Transceiver with On-Chip Voltage
• Interface for Off-Chip USB Transceiver
• Streaming Parallel Port (SPP) for USB streaming
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 A typical
• Sleep mode currents down to 0.1 A typical
• Timer1 Oscillator: 1.1 A typical, 32 kHz, 2V
• Watchdog Timer: 2.1 A typical
• Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
• Four Crystal modes, including High Precision PLL
• Two External Clock modes, up to 48 MHz
• Internal Oscillator Block:
• Secondary Oscillator using Timer1 @ 32 kHz
• Dual Oscillator options allow microcontroller and
• Fail-Safe Clock Monitor:
© 2006 Microchip Technology Inc.
PIC18F2455
PIC18F2550
PIC18F4455
PIC18F4550
Transfers
Regulator
transfers (40/44-pin devices only)
for USB
- 8 user-selectable frequencies, from 31 kHz
- User-tunable to compensate for frequency drift
USB module to run at different clock speeds
- Allows for safe shutdown if any clock stops
Device
to 8 MHz
28/40/44-Pin, High-Performance, Enhanced Flash,
USB Microcontrollers with nanoWatt Technology
(bytes)
Flash
24K
32K
24K
32K
Program Memory
# Single-Word
Instructions
12288
16384
12288
16384
(bytes)
SRAM
2048
2048
2048
2048
Data Memory
PIC18F2455/2550/4455/4550
EEPROM
(bytes)
256
256
256
256
Preliminary
I/O
24
24
35
35
A/D (ch)
10-Bit
10
10
13
13
Peripheral Highlights:
• High-Current Sink/Source: 25 mA/25 mA
• Three External Interrupts
• Four Timer modules (Timer0 to Timer3)
• Up to 2 Capture/Compare/PWM (CCP) modules:
• Enhanced Capture/Compare/PWM (ECCP) module:
• Enhanced USART module:
• Master Synchronous Serial Port (MSSP) module
• 10-bit, up to 13-channel Analog-to-Digital Converter
• Dual Analog Comparators with Input Multiplexing
Special Microcontroller Features:
• C Compiler Optimized Architecture with optional
• 100,000 Erase/Write Cycle Enhanced Flash
• 1,000,000 Erase/Write Cycle Data EEPROM
• Flash/Data EEPROM Retention: > 40 years
• Self-Programmable under Software Control
• Priority Levels for Interrupts
• 8 x 8 Single-Cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
• Programmable Code Protection
• Single-Supply 5V In-Circuit Serial
• In-Circuit Debug (ICD) via two pins
• Optional dedicated ICD/ICSP port (44-pin devices only)
• Wide Operating Voltage Range (2.0V to 5.5V)
- Capture is 16-bit, max. resolution 5.2 ns (T
- Compare is 16-bit, max. resolution 83.3 ns (T
- PWM output: PWM resolution is 1 to 10-bit
- Multiple output modes
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
- LIN bus support
supporting 3-wire SPI (all 4 modes) and I
Master and Slave modes
module (A/D) with Programmable Acquisition Time
Extended Instruction Set
Program Memory typical
Memory typical
- Programmable period from 41 ms to 131s
Programming™ (ICSP™) via two pins
CCP/ECCP
(PWM)
2/0
2/0
1/1
1/1
SPP
Yes
Yes
No
No
SPI
Y
Y
Y
Y
MSSP
Master
I
2
C™
Y
Y
Y
Y
DS39632C-page 1
1
1
1
1
2
2
2
2
2
C™
8/16-Bit
Timers
CY
1/3
1/3
1/3
1/3
/16)
CY
)