PIC18LF4458T-I/ML Microchip Technology, PIC18LF4458T-I/ML Datasheet - Page 3
![24KB Flash, 2KB RAM, 256 Bytes EEPROM, 35 I/O, USB, 12bit ADC 44 QFN 8x8x0.9mm T](/photos/6/81/68122/150-44-qfn_sml.jpg)
PIC18LF4458T-I/ML
Manufacturer Part Number
PIC18LF4458T-I/ML
Description
24KB Flash, 2KB RAM, 256 Bytes EEPROM, 35 I/O, USB, 12bit ADC 44 QFN 8x8x0.9mm T
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18F2458-ISO.pdf
(46 pages)
3.PIC18F2458-ISO.pdf
(6 pages)
4.PIC18F2458-ISO.pdf
(6 pages)
5.PIC18F2458-ISO.pdf
(6 pages)
Specifications of PIC18LF4458T-I/ML
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
35
Program Memory Size
24KB (12K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 13x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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 μA Typical
• Sleep mode Currents Down to 0.1 μA Typical
• Timer1 Oscillator: 1.1 μA Typical, 32 kHz, 2V
• Watchdog Timer: 2.1 μA Typical
• Two-Speed Oscillator Start-up
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 TQFP
• Wide Operating Voltage Range (2.0V to 5.5V)
© 2009 Microchip Technology Inc.
PIC18F2458
PIC18F2553
PIC18F4458
PIC18F4553
Microcontrollers with 12-Bit A/D and nanoWatt Technology
Transfers
Regulator
Transfers (40/44-pin devices only)
Extended Instruction Set
Program Memory Typical
Memory Typical
- Programmable period from 41 ms to 131s
Programming™ (ICSP™) via Two Pins
package only)
Device
28/40/44-Pin High-Performance, Enhanced Flash, USB
(bytes)
Flash
24K
32K
24K
32K
Program Memory
# Single-Word
Instructions
12288
16384
12288
16384
(bytes)
SRAM
2048
Data Memory
EEPROM
PIC18F2458/2553/4458/4553
(bytes)
256
I/O
24
35
A/D (ch)
12-Bit
10
13
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:
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
• 12-Bit, up to 13-Channel Analog-to-Digital Converter
• Dual Analog Comparators with Input Multiplexing
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
- 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-bits
- 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
Note:
to 8 MHz
CCP/ECCP
(PWM)
2/0
1/1
This document is supplemented by
the “PIC18F2455/2550/4455/4550
Sheet”
“Device Overview”.
SPP
Yes
No
(DS39632).
SPI
Y
MSSP
Master
I
2
C™
Y
See
DS39887C-page 3
1
Section 1.0
2
2
C™
8/16-Bit
CY
Timers
Data
1/3
/16)
CY
)