EPROM/ROM-Based 8-Bit Microcontroller CX8PE51 CX8PE51E Only 47 single word instructions

   产品概述 返回TOPth2嘉泰姆

The CX8PE51 CX8PE51E series is a family of low-cost, high speed, high noise immunity, EPROM/ROM-based 8-bit CMOS microcontrollers. It employs a RISC architecture with only 47 instructions. All instructions are single cycle except for program branches which take two cycles. The easy to use and easy to remember instruction set reduces development time significantly. The CX8PE51E series consists of Power-on Reset (POR), Brown-out Reset (BOR), Power-up Reset Timer (PWRT), Oscillator Start-up Timer(OST), Watchdog Timer, EPROM/ROM, SRAM, tri-state I/O port, I/O pull-high/open-drain control, Power saving SLEEP mode, 4 real time programmable clock/counter, Interrupt, SPI, RFC, data compare, Wake-up from SLEEP mode, and Code Protection for EPROM products. There are three oscillator configurations to choose from, including the power-saving LP (Low Power) oscillator and cost saving RC oscillator. The CX8PE51E series address 4K×13 of program memory. The CX8PE51E series can directly or indirectly address its register files and data memory. All special function registers including the program counter are mapped in the data memory.

   产品特点 返回TOPth2嘉泰姆

  ‧ Only 47 single word instructions th2嘉泰姆

‧ All instructions are single cycle except for program branches which are two-cycle th2嘉泰姆

‧ 13-bit wide instructions th2嘉泰姆

‧ 8-bit wide data path th2嘉泰姆

‧ 5-level deep hardware stack th2嘉泰姆

‧ 4K x 13 bits on chip EPROM/ROM th2嘉泰姆

‧ 140 x 8 bits on chip general purpose registers (SRAM) th2嘉泰姆

‧ Operating speed: DC-20 MHz clock input DC-100 ns instruction cycleth2嘉泰姆

‧ Direct, indirect addressing modes for data accessing th2嘉泰姆

‧ One 8-bit real time clock/counter (Timer0) with 8-bit programmable prescalerth2嘉泰姆

 ‧ Three 8-bit real time clock/counter (Timer1, Timer2, and Timer3) with period setting th2嘉泰姆

‧ Internal Power-on Reset (POR) th2嘉泰姆

‧ Built-in Low Voltage Detector (LVD) for Brown-out Reset (BOR) th2嘉泰姆

‧ Power-up Reset Timer (PWRT) and Oscillator Start-up Timer(OST)th2嘉泰姆

‧ On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog enable/disable control th2嘉泰姆

‧ Five I/O ports (38 I/O pins) with independent direction control th2嘉泰姆

‧ 32 programmable pull-high input pins th2嘉泰姆

‧ 12 wake-up pins th2嘉泰姆

‧ 2 open-drain pins th2嘉泰姆

‧ 2 R-option pins th2嘉泰姆

‧ Clock output with high driving ability th2嘉泰姆

‧ 19 channels of 15-bit resolution Resistor to Frequency Converter (RFC) output th2嘉泰姆

‧ 2 channels of maximum 10-bit resolution Pulse Width Modulation (PWM) output th2嘉泰姆

‧ Built-in 8-bit data comparator th2嘉泰姆

‧ Seven internal interrupt source: Timer0 overflow, Timer1 match, Timer2 match, Timer3 match, SPI module (Receive & Transmit), RFC module; One external interrupt source: INT pin change th2嘉泰姆

‧ Wake-up from SLEEP by port input change th2嘉泰姆

‧ Power saving SLEEP mode th2嘉泰姆

‧ Programmable Code Protection th2嘉泰姆

‧ Built-in RC oscillator with external resistor th2嘉泰姆

‧ Selectable oscillator options: th2嘉泰姆

- ERC: External Resistor/Capacitor Oscillator th2嘉泰姆

- ERIC: External Resistor/Internal Capacitor Oscillator th2嘉泰姆

- HF: High Frequency Crystal/Resonator Oscillator th2嘉泰姆

- XT: Crystal/Resonator Oscillator th2嘉泰姆

- LF: Low Frequency Crystal Oscillator th2嘉泰姆

‧ Wide-operating voltage range: th2嘉泰姆

- EPROM : 2.3V to 5.5V th2嘉泰姆

- ROM : 2.3V to 5.5Vth2嘉泰姆

   应用范围 返回TOPth2嘉泰姆

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