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PIC18C252 Datasheet(PDF) 1 Page - Microchip Technology |
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PIC18C252 Datasheet(HTML) 1 Page - Microchip Technology |
1 / 296 page © 7/99 Microchip Technology Inc. Preliminary DS39026B-page 1 High Performance RISC CPU: • C-compiler optimized architecture/instruction set - Source code compatible with the PIC16CXX instruction set • Linear program memory addressing to 2M bytes • Linear data memory addressing to 4K bytes • 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 Pin Diagrams Analog Features: • 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 Device On-Chip Program Memory On-Chip RAM (bytes) EPROM (bytes) # Single Word Instructions PIC18C242 16K 8192 512 PIC18C252 32K 16384 1536 PIC18C442 16K 8192 512 PIC18C452 32K 16384 1536 * * * * * RB7 RB6 RB5 RB4 RB3/CCP2 * RB2/INT2 RB1/INT1 RB0/INT0 VDD VSS RD7/PSP7 RD6/PSP6 RD5/PSP5 RD4/PSP4 RC7/RX/DT RC6/TX/CK RC5/SDO RC4/SDI/SDA RD3/PSP3 RD2/PSP2 MCLR/VPP RA0/AN0 RA1/AN1 RA2/AN2/VREF- RA3/AN3/VREF+ RA4/T0CKI RA5/AN4/SS/LVDIN RE0/RD/AN5 RE1/WR/AN6 RE2/CS/AN7 VDD VSS OSC1/CLKI OSC2/CLKO/RA6 RC0/T1OSO/T1CKI RC1/T1OSI/CCP2 * RC2/CCP1 RC3/SCK/SCL RD0/PSP0 RD1/PSP1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 * RB3 is the alternate pin for the CCP2 pin multiplexing. DIP, Windowed CERDIP NOTE: Pin compatible with 40-pin PIC16C7X devices PIC18CXX2 High-Performance Microcontrollers with 10-Bit A/D |
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