PIC18F4423-E/ML Microchip Technology, PIC18F4423-E/ML Datasheet - Page 3
![16KB, Flash, 768bytes-RAM, 36I/O, 8-bit Family,nanoWatt 44 QFN 8x8x0.9mm TUBE](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18F4423-E/ML
Manufacturer Part Number
PIC18F4423-E/ML
Description
16KB, Flash, 768bytes-RAM, 36I/O, 8-bit Family,nanoWatt 44 QFN 8x8x0.9mm TUBE
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2423-ISP.pdf
(54 pages)
3.PIC18F2423-ISP.pdf
(8 pages)
4.PIC18F2423-ISP.pdf
(34 pages)
Specifications of PIC18F4423-E/ML
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 13x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power Management Features:
• Run: CPU on, Peripherals on
• Idle: CPU off, Peripherals on
• Sleep: CPU off, Peripherals off
• Ultra Low 50 nA Input Leakage
• Run mode Currents Down to 11 μA Typical
• Idle mode Currents Down to 2.5 μA Typical
• Sleep mode Current Down to 100 μA Typical
• Timer1 Oscillator: 900 nA, 32 kHz, 2V
• Watchdog Timer: 1.4 μA, 2V Typical
• Two-Speed Oscillator Start-up
Flexible Oscillator Structure:
• Four Crystal modes, up to 40 MHz
• 4x Phase Lock Loop (PLL) – Available for Crystal
• Two External RC modes, up to 4 MHz
• Two External Clock modes, up to 40 MHz
• Internal Oscillator Block:
• Secondary Oscillator using Timer1 @ 32 kHz
• Fail-Safe Clock Monitor:
Peripheral Highlights:
• 12-Bit, Up to 13-Channel Analog-to-Digital Converter
• Dual Analog Comparators with Input Multiplexing
• High-Current Sink/Source 25 mA/25 mA
• Three Programmable External Interrupts
• Four Input Change Interrupts
• Up to Two Capture/Compare/PWM (CCP)
• Enhanced Capture/Compare/PWM (ECCP) module
© 2009 Microchip Technology Inc.
PIC18F2423
PIC18F2523
PIC18F4423
PIC18F4523
and Internal Oscillators
- Fast wake from Sleep and Idle, 1 μs typical
- 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 peripheral clock stops
module (A/D):
- Auto-acquisition capability
- Conversion available during Sleep mode
modules, One with Auto-Shutdown (28-pin devices)
(40/44-pin devices only):
- One, two or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
Device
from 31 kHz to 32 MHz, when used with PLL
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
EEPROM
(bytes)
256
256
256
256
I/O
25
25
36
36
A/D (ch)
12-Bit
Peripheral Highlights (Continued):
• Master Synchronous Serial Port (MSSP) module
• Enhanced USART module:
Special Microcontroller Features:
• C Compiler Optimized Architecture: Optional
• 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): Programmable
• Single-Supply In-Circuit Serial Programming™
• 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): With
10
10
13
13
Supporting 3-Wire SPI (all four modes) and I
Master and Slave modes
- Support for RS-485, RS-232 and LIN/J2602
- RS-232 operation using internal oscillator
- Auto-wake-up on Start bit
- Auto-Baud Detect (ABD)
Extended Instruction Set Designed to Optimize
Re-Entrant Code
Program Memory Typical
Memory Typical
Period, from 4 ms to 131s
(ICSP™) via Two Pins
Detection (HLVD) module: Supports Interrupt on
High/Low-Voltage Detection
Software-Enable Option
Note:
block (no external crystal required)
(PWM)
ECCP
CCP/
2/0
2/0
1/1
1/1
This document is supplemented by the
“PIC18F2420/2520/4420/4520 Data Sheet”
(DS39631). See Section 1.0 “Device
Overview”.
SPI
Y
Y
Y
Y
MSSP
Master
I
2
C™
Y
Y
Y
Y
1
1
1
1
DS39755C-page 3
Comp.
2
2
2
2
2
C™
8/16-Bit
Timers
1/3
1/3
1/3
1/3