PIC18C252 Datasheet

IC型号：
PIC18C252
PDF描述：
High Performance Microcontrollers with 10-bit A/D
文件大小：
2903.99KB
PDF页数：
305页
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PIC18CXX2

High-Performance Microcontrollers with 10-Bit A/D

High Performance RISC CPU:

鈥?C-compiler optimized architecture/instruction set

- Source code compatible with the PIC16CXX

instruction set

鈥?Linear program memory addressing to 2M bytes

鈥?Linear data memory addressing to 4K bytes

Device

PIC18C242

PIC18C252

PIC18C442

PIC18C452

On-Chip Program Memory On-Chip

RAM

EPROM # Single Word

(bytes)

Instructions

16K

32K

16K

32K

8192

16384

8192

16384

512

1536

512

1536

Pin Diagrams

DIP, Windowed CERDIP

MCLR/V

RA0/AN0

RA1/AN1

RA2/AN2/V

REF

RA3/AN3/V

REF

RA4/T0CKI

RA5/AN4/SS/LVDIN

RE0/RD/AN5

RE1/WR/AN6

RE2/CS/AN7

OSC1/CLKI

OSC2/CLKO/RA6

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2

RC2/CCP1

RC3/SCK/SCL

RD0/PSP0

RD1/PSP1

RB7

RB6

RB5

RB4

RB3/CCP2

RB2/INT2

RB1/INT1

RB0/INT0

RD7/PSP7

RD6/PSP6

RD5/PSP5

RD4/PSP4

RC7/RX/DT

RC6/TX/CK

RC5/SDO

RC4/SDI/SDA

RD3/PSP3

RD2/PSP2

鈥?/div>

Peripheral Features:

Up to 10 MIPs operation:

- DC - 40 MHz osc./clock input

- 4 MHz - 10 MHz osc./clock input with PLL active

鈥?16-bit wide instructions, 8-bit wide data path

鈥?Priority levels for interrupts

鈥?8 x 8 Single Cycle Hardware Multiplier

RB3 is the alternate pin for the CCP2 pin multiplexing.

NOTE:

Pin compatible with 40-pin PIC16C7X devices

Analog Features:

鈥?/div>

10-bit Analog-to-Digital Converter

module (A/D)

with:

- Fast sampling rate

- Conversion available during sleep

- DNL = 卤1 LSb, INL = 卤1 LSb

鈥?Programmable

Low-Voltage Detection

(LVD)

module

- Supports interrupt on low voltage detection

鈥?Programmable Brown-out Reset (BOR)

鈥?High current sink/source 25 mA/25 mA

鈥?Three external interrupt pins

鈥?/div>

Timer0

module: 8-bit/16-bit timer/counter with

8-bit programmable prescaler

鈥?/div>

Timer1

module: 16-bit timer/counter

鈥?/div>

Timer2

module: 8-bit timer/counter with 8-bit

period register (time-base for PWM)

鈥?/div>

Timer3

module: 16-bit timer/counter

鈥?Secondary oscillator clock option - Timer1/Timer3

鈥?Two

Capture/Compare/PWM

(CCP) modules. CCP

pins that can be configured as:

- Capture input: capture is 16-bit,

max. resolution 6.25 ns (T

/16)

- Compare is 16-bit, max. resolution 100 ns (T

)

- PWM output: PWM resolution is 1- to 10-bit.

Max. PWM freq. @:8-bit resolution = 156 kHz

10-bit resolution = 39 kHz

鈥?/div>

Master Synchronous Serial Port

(MSSP) module.

Two modes of operation:

- 3-wire SPI鈩?(supports all 4 SPI modes)

- I

C鈩?master and slave mode

鈥?/div>

Addressable USART

module:

- Supports interrupt on Address bit

鈥?/div>

Parallel Slave Port

(PSP) module

Special Microcontroller Features:

鈥?Power-on Reset (POR), Power-up Timer (PWRT)

and Oscillator Start-up Timer (OST)

鈥?Watchdog Timer (WDT) with its own on-chip RC

oscillator for reliable operation

鈥?Programmable code-protection

鈥?Power saving SLEEP mode

鈥?Selectable oscillator options including:

- 4X Phase Lock Loop (of primary oscillator)

- Secondary Oscillator (32 kHz) clock input

鈥?In-Circuit Serial Programming (ICSP鈩? via two pins

CMOS Technology:

鈥?/div>

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

DS39026B-page 1

漏

7/99 Microchip Technology Inc.

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