PIC18LC442T-E/SP Datasheet

High Performance Microcontrollers with 10-bit A/D


This document contains device specific information for the following four devices:

1. PIC18C242
2. PIC18C252
3. PIC18C442
4. PIC18C452

These devices come in 28-pin and 40-pin packages. The 28-pin devices do not have a Parallel Slave Port (PSP) implemented and the number of Analog-to Digital (A/D) converter input channels is reduced to 5. An overview of features is shown in Table 1-1.
The following two figures are device block diagrams sorted by pin count: 28-pin for Figure 1-1 and 40-pin for Figure 1-2. The 28-pin and 40-pin pinouts are listed in Table 1-2 and Table 1-3, respectively.

High Performance RISC CPU:
• C compiler optimized architecture/instruction set
   - Source code compatible with the PIC16CXX instruction set
• Linear program memory addressing to 2 Mbytes
• Linear data memory addressing to 4 Kbytes
• Up to 10 MIPs operation:
   - DC - 40 MHz osc./clock input
   - 4 MHz - 10 MHz osc./clock input with PLL active
• 16-bit wide instructions, 8-bit wide data path
• Priority levels for interrupts
• 8 x 8 Single Cycle Hardware Multiplier

Peripheral Features:
• High current sink/source 25 mA/25 mA
• Three external interrupt pins
• Timer0 module: 8-bit/16-bit timer/counter with 8-bit programmable prescaler
• Timer1 module: 16-bit timer/counter
• Timer2 module: 8-bit timer/counter with 8-bit period register (time-base for PWM)
• Timer3 module: 16-bit timer/counter
• Secondary oscillator clock option - Timer1/Timer3
• Two Capture/Compare/PWM (CCP) modules.
   CCP pins that can be configured as:
   - Capture input: capture is 16-bit, max. resolution 6.25 ns (TCY/16)
   - Compare is 16-bit, max. resolution 100 ns (TCY)
   - PWM output: PWM resolution is 1- to 10-bit.
      Max. PWM freq. @: 8-bit resolution = 156 kHz
                           10-bit resolution = 39 kHz
• Master Synchronous Serial Port (MSSP) module. Two modes of operation:
   - 3-wire SPI (supports all 4 SPI modes)
   - I2C™ master and slave mode
• Addressable USART module:
   - Supports interrupt on Address bit
• Parallel Slave Port (PSP) module

Analog Features:
• Compatible 10-bit Analog-to-Digital Converter module (A/D) with:
   - Fast sampling rate
   - Conversion available during SLEEP
   - DNL = ±1 LSb, INL = ±1 LSb
• Programmable Low Voltage Detection (LVD) module
   - Supports interrupt-on-low voltage detection
• Programmable Brown-out Reset (BOR)

Special Microcontroller Features:
• Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
• Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation
• Programmable code protection
• Power saving SLEEP mode
• Selectable oscillator options including:
   - 4X Phase Lock Loop (of primary oscillator)
   - Secondary Oscillator (32 kHz) clock input
• In-Circuit Serial Programming (ICSP™) via two pins

CMOS Technology:
• Low power, high speed EPROM technology
• Fully static design
• Wide operating voltage range (2.5V to 5.5V)
• Industrial and Extended temperature ranges
• Low power consumption




Manufacturer information


Microchip Technology Inc. is a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.

Microchip Technology Inc. has acquired Atmel.

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