标题: PIC12C508,PIC12C509,PIC12C509A,PIC12C508A,8-Pin, 8-Bit CMOS Microcontrollers [打印本页] 作者: admin 时间: 2009-3-4 18:43 标题: PIC12C508,PIC12C509,PIC12C509A,PIC12C508A,8-Pin, 8-Bit CMOS Microcontrollers The PIC12C5XX from Microchip Technology is a family of low-cost, high performance, 8-bit, fully static, EEPROM/EPROM/ROM-based CMOS microcontrollers. It employs a RISC architecture with only 33 single word/single cycle instructions. All instructions are single cycle (1 ms) except for program branches which take two cycles. The PIC12C5XX delivers performance an order of magnitude higher than its competitors in the same price category. The 12-bit wide instructions are highly symmetrical resulting in 2:1 code compression over other 8-bit microcontrollers in its class. The easy to use and easy to remember instruction set reduces development time significantly.
A newer device is available. Please consider PIC12F508A.
Devices included in this Data Sheet:
• PIC12C508 • PIC12C508A • PIC12CE518
• PIC12C509 • PIC12C509A • PIC12CE519
• PIC12CR509A
Note: Throughout this data sheet PIC12C5XX
refers to the PIC12C508, PIC12C509,
PIC12C508A, PIC12C509A,
PIC12CR509A, PIC12CE518 and
PIC12CE519. PIC12CE5XX refers to
PIC12CE518 and PIC12CE519.
High-Performance RISC CPU:
• Only 33 single word instructions to learn
• All instructions are single cycle (1 ms) except for
program branches which are two-cycle
• Operating speed: DC - 4 MHz clock input
DC - 1 ms instruction cycle
• 12-bit wide instructions
• 8-bit wide data path
• Seven special function hardware registers
• Two-level deep hardware stack
• Direct, indirect and relative addressing modes for
data and instructions
• Internal 4 MHz RC oscillator with programmable
calibration
• In-circuit serial programming
Device
Memory
EPROM
Program
ROM
Program
RAM
Data
EEPROM
Data
PIC12C508 512 x 12 25
PIC12C508A 512 x 12 25
PIC12C509 1024 x 12 41
PIC12C509A 1024 x 12 41
PIC12CE518 512 x 12 25 16
PIC12CE519 1024 x 12 41 16
PIC12CR509A 1024 x 12 41
Peripheral Features:
• 8-bit real time clock/counter (TMR0) with 8-bit
programmable prescaler
• Power-On Reset (POR)
• Device Reset Timer (DRT)
• Watchdog Timer (WDT) with its own on-chip RC
oscillator for reliable operation
• Programmable code-protection
• 1,000,000 erase/write cycle EEPROM data
memory
• EEPROM data retention > 40 years
• Power saving SLEEP mode
• Wake-up from SLEEP on pin change
• Internal weak pull-ups on I/O pins
• Internal pull-up on MCLR pin
• Selectable oscillator options:
- INTRC: Internal 4 MHz RC oscillator
- EXTRC: External low-cost RC oscillator
- XT: Standard crystal/resonator
- LP: Power saving, low frequency crystal
CMOS Technology:
• Low power, high speed CMOS EPROM/ROM
technology
• Fully static design
• Wide operating voltage range
• Wide temperature range:
- Commercial: 0°C to +70°C
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C
• Low power consumption
- < 2 mA @ 5V, 4 MHz
- 15 mA typical @ 3V, 32 KHz
- < 1 mA typical standby current