PIC18F2423 MICROCHIP [Microchip Technology], PIC18F2423 Datasheet - Page 3
![no-image](/images/no-image-200.jpg)
PIC18F2423
Manufacturer Part Number
PIC18F2423
Description
28/40/44-Pin, Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F2423.pdf
(392 pages)
Available stocks
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Quantity
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Company:
Part Number:
PIC18F2423-I/SP
Manufacturer:
MICROCHIP
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1 290
Part Number:
PIC18F2423-I/SP
Manufacturer:
MICROCHIP/微芯
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Peripheral Highlights:
• 12-bit, up to 13-channel Analog-to-Digital
• Dual analog comparators with input multiplexing
• High-current sink/source 25 mA/25 mA
• Three programmable external interrupts
• Four input change interrupts
• Up to 2 Capture/Compare/PWM (CCP) modules,
• Enhanced Capture/Compare/PWM (ECCP)
• Master Synchronous Serial Port (MSSP) module
• Enhanced USART module:
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 current down to 0.1 μA, typical
• Timer1 Oscillator: 1.8 μA, 32 kHz, 2V
• Watchdog Timer: 2.1 μA
• Two-Speed Oscillator Start-up
© 2007 Microchip Technology Inc.
PIC18F2423
PIC18F2523
PIC18F4423
PIC18F4523
Converter module (A/D):
- Auto-acquisition capability
- Conversion available during Sleep
one with Auto-Shutdown (28-pin devices)
module (40/44-pin devices only):
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
supporting 3-wire SPI (all 4 modes) and I
Master and Slave modes
- Supports RS-485, RS-232 and LIN 1.2
- RS-232 operation using internal oscillator
- Auto-wake-up on Start bit
- Auto-Baud Detect
Device
block (no external crystal required)
28/40/44-Pin, Enhanced Flash Microcontrollers with
(bytes)
Flash
16K
32K
16K
32K
Program Memory
12-Bit A/D and nanoWatt Technology
# Single-Word
Instructions
16384
16384
8192
8192
(bytes)
SRAM
1536
1536
768
768
Data Memory
PIC18F2423/2523/4423/4523
2
C™
EEPROM
(bytes)
256
256
256
256
Preliminary
I/O
25
25
36
36
A/D (ch)
12-Bit
Flexible Oscillator Structure:
• Four Crystal modes, up to 25 MHz
• 4x Phase Lock Loop (available for crystal and
• Two External RC modes, up to 4 MHz
• Two External Clock modes, up to 25 MHz
• Internal oscillator block:
• Secondary oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
Special Microcontroller Features:
• C compiler optimized architecture:
• 100,000 erase/write cycle Enhanced Flash
• 1,000,000 erase/write cycle Data EEPROM
• Flash/Data EEPROM Retention: 100 years typical
• 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
• In-Circuit Debug (ICD) via two pins
• Operating voltage range: 2.0V to 5.5V
• Programmable 16-level High/Low-Voltage
• Programmable Brown-out Reset (BOR):
10
10
13
13
internal oscillators)
- 8 user-selectable frequencies, from 31 kHz to 8 MHz
- Provides a complete range of clock speeds
- User-tunable to compensate for frequency drift
- Allows for safe shutdown if external clock stops
- Optional extended instruction set designed to
program memory typical
memory typical
- Programmable period from 4 ms to 131s
Programming™ (ICSP™) via two pins
Detection (HLVD) module:
- Supports interrupt on High/Low-Voltage Detection
- With software enable option
from 31 kHz to 32 MHz when used with PLL
optimize re-entrant code
(PWM)
ECCP
CCP/
2/0
2/0
1/1
1/1
SPI
Y
Y
Y
Y
MSSP
Master
I
2
C™
Y
Y
Y
Y
1
1
1
1
DS39755B-page 1
Comp.
2
2
2
2
8/16-Bit
Timers
1/3
1/3
1/3
1/3
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