PIC18F2431-I/SP Microchip Technology Inc., PIC18F2431-I/SP Datasheet - Page 3

• Manufacturer Part Number: PIC18F2431-I/SP
• Description: Microcontroller; 16 KB Flash; 768 RAM; 256 EEPROM; 24 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F2431-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 24
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 16K Bytes
• Ram Size: 768 Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

14-bit Power Control PWM Module:
• Up to 4 channels with complementary outputs
• Edge- or center-aligned operation
• Flexible dead-band generator
• Hardware fault protection inputs
• Simultaneous update of duty cycle and period:
Motion Feedback Module:
• Three independent input capture channels:
• Quadrature Encoder Interface:
High-Speed, 200 Ksps 10-bit A/D Converter:
• Up to 9 channels
• Simultaneous two-channel sampling
• Sequential sampling: 1, 2 or 4 selected channels
• Auto-conversion capability
• 4-word FIFO with selectable interrupt frequency
• Selectable external conversion triggers
• Programmable acquisition time
Flexible Oscillator Structure:
• Four crystal modes up to 40 MHz
• Two external clock modes up to 40 MHz
• Internal oscillator block:
• Secondary oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
 2003 Microchip Technology Inc.
PIC18F2331
PIC18F2431
PIC18F4331
PIC18F4431
- Flexible special event trigger output
- Flexible operating modes for period and pulse
- Special Hall Sensor interface module
- Special event trigger output to other modules
- 2 phase inputs and one index input from encoder
- High and low position tracking with direction
- Velocity measurement
- 8 user selectable frequencies: 31 kHz to 8 MHz
- OSCTUNE can compensate for frequency drift
- Allows for safe shutdown of device if clock fails
Device
width measurement
status and change of direction interrupt
nanoWatt Technology, High Performance PWM and A/D
28/40/44-Pin Enhanced Flash Microcontrollers with
(bytes)
16384
16384
Flash
8192
8192
Program Memory
# Single-Word
Instructions
4096
8192
4096
8192
(bytes)
SRAM
768
768
768
768
PIC18F2331/2431/4331/4431
Data Memory
EEPROM
(bytes)
256
256
256
256
Preliminary
I/O
24
24
36
36
10-bit
(ch)
A/D
5
5
9
9
Power-Managed Modes:
• Run
• Idle
• Sleep
• Idle mode currents down to 5.8 A typical
• Sleep current down to 0.1 A typical
• Timer1 oscillator, 1.8 A typical, 32 kHz, 2V
• Watchdog Timer (WDT), 2.1 A typical
• Two-Speed oscillator start-up
Peripheral Highlights:
• High current sink/source 25 mA/25 mA
• Three external interrupts
• Two Capture/Compare/PWM (CCP) modules:
• Enhanced USART module:
• RS-232 operation using internal oscillator block
Special Microcontroller Features:
• 100,000 erase/write cycle enhanced Flash
• 1,000,000 erase/write cycle data EEPROM
• Flash/data EEPROM retention: 100 years
• Self-programmable under software control
• Priority levels for interrupts
• 8 X 8 Single-cycle Hardware Multiplier
• Extended Watchdog Timer (WDT):
• Single-supply In-Circuit Serial Programming™
• In-Circuit Debug (ICD) via two pins
- Capture is 16-bit, max. resolution 6.25 ns (T
- Compare is 16-bit, max. resolution 100 ns (T
- PWM output: PWM resolution is 1 to 10 bits
- Supports RS-485, RS-232 and LIN 1.2
- Auto-Wake-up on Start bit
- Auto-Baud detect
(no external crystal required)
program memory typical
memory typical
- Programmable period from 41 ms to 131s
(ICSP™) via two pins
- Drives PWM outputs safely when debugging
CCP
2
2
2
2
SPI
CPU on, peripherals on
CPU off, peripherals on
CPU off, peripherals off
Y
Y
Y
Y
SSP
Slave
I
2
C™
Y
Y
Y
Y
EUSART
Y
Y
Y
Y
Y
Y
Y
Y
DS39616B-page 1
14-bit
PWM
(ch)
6
6
8
8
8/16-bit
Timers
CY
CY
1/3
1/3
1/3
1/3
/16)
)