标题: PIC18F14K22 Data Sheet [打印本页] 作者: enroo_ma 时间: 2009-8-20 11:53 标题: PIC18F14K22 Data Sheet PIC18F1XK22/LF1XK22 Data Sheet (4/22/2009)
Features
■ C Compiler optimized architecture
■ 256 bytes data EEPROM
■ Linear program memory addressing to 16 Kbytes
■ Linear data memory addressing to 512 bytes
Extreme Low-Power Management
PIC18LF1XK22 with nanoWatt XLP™ Technology
■ Sleep mode: 50 nA, typical
■ Watchdog Timer: 600 nA, typical
■ Timer1 Oscillator: 800 nA @ 32 kHz, typical
Flexible Oscillator Structure
■ Precision 16 MHz internal oscillator block:
– Factory calibrated to ± 1%
– Software selectable frequencies range of 31 kHz
to 16 MHz
– 64 MHz performance available using PLL
– No external components required
■ Four crystal modes up to 64 MHz
■ Fail-Safe Clock Monitor – Allows for safe shutdown if
peripheral clock stops
■ Two-Speed Oscillator Start-up
Special Microcontroller Features
■ Operating voltage 1.8V- 5.5V (with low voltage option
1.8V-3.6V)
■ Self-reprogrammable under software control
■ Power-on Reset (POR), Power-up Timer (PWRT) and
Oscillator Start-up Timer (OST)
■ Programmable Brown-out Reset (BOR)
■ Extended Watchdog Timer (WDT) with on-chip oscillator
and software enable
■ In-Circuit Serial Programming™ (ICSP™) via two pins
■ In-Circuit Debug via two pins
Peripheral Highlights
■ 12 Ch. 10-bit Analog-to-Digital (A/D) Converter module:
■ 2 rail-to-rail Analog Comparators module with:
■ Voltage Reference module with:
– Programmable on-chip voltage reference (CVREF)
module (% of VDD)
– Selectable Fixed voltage reference (FVR) with multiple
reference voltages
■ 17 I/O pins and 1 input only pin:
– High current sink/source 25 mA/25 mA
– Three external interrupt pins
■ Four Timer modules:
– 3 16-bit timers/counters with prescaler
– 1 8-bit timer/counter with 8-bit period register,
prescaler and postscaler
■ Enhanced Capture/Compare/PWM (ECCP) module with
PWM output steering:
– Programmable dead time
– Auto-shutdown and Auto-restart
■ Master Synchronous Serial Port (MSSP) module with
two modes of operation:
– 3-wire SPI (supports all 4 SPI modes)
– I2C™ Master and Slave modes (Slave mode with
address masking)
■ Enhanced Universal Synchronous Asynchronous Receiver
Transmitter module (EUSART)
– Supports RS-232, RS-485 and LIN 2.0
– Auto-Baud Detect
■ SR Latch (555 Timer) module with:
– Confi gurable inputs and outputs
– Supports mTouch™ capacitive sensing applications
