Datasheet > AT8PS54

AT8PS54

更新时间： 2024-11-27 00:04:27

品牌	Logo	应用领域
其他 - ETC		微控制器可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
47页	490K
描述
EPROM/ROM-Based 8-Bit Microcontroller Series

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AT8PS54 数据手册

AT Win Technology Co.,

Ltd.

ATW

AT8PS54/56

EPROM/ROM-Based 8-Bit Microcontroller Series

Devices Included in this Data Sheet:

‧ AT8PS54E/S56E : EPROM devices

‧ AT8PS54/S56 : Mask ROM devices

FEATURES

‧ Only 42 single word instructions

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

‧ 13-bit wide instructions

‧ All ROM/EPROM area GOTO instruction

‧ All ROM/EPROM area subroutine CALL instruction

‧ 8-bit wide data path

‧ 5-level deep hardware stack

‧ Operating speed: DC-20 MHz clock input

DC-100 ns instruction cycle

Device

Pins # I/O # EPROM/ROM (Byte) RAM (Byte)

AT8PS54/S54E

AT8PS56/S56E

512

‧ Direct, indirect addressing modes for data accessing

‧ 8-bit real time clock/counter (Timer0) with 8-bit programmable prescaler

‧ Internal Power-on Reset (POR)

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

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

‧ On chip Watchdog Timer (WDT) with internal oscillator for reliable operation and soft-ware watch-dog

enable/disable control

‧ Two I/O ports IOA and IOB with independent direction control (maximum 16 I/O pins)

‧ Soft-ware I/O pull-high/pull-down or open-drain control

‧ One internal interrupt source: Timer0 overflow; Two external interrupt source: INT pin, Port B input change

‧ Wake-up from SLEEP by INT pin or Port B input change

‧ Power saving SLEEP mode

‧ Built-in 8MHz, 4MHz, 1MHz, and 455KHz internal RC oscillator

‧ Programmable Code Protection

‧ Selectable oscillator options:

- ERC: External Resistor/Capacitor Oscillator

- HF: High Frequency Crystal/Resonator Oscillator

- XT: Crystal/Resonator Oscillator

- LF: Low Frequency Crystal Oscillator

- IRC: Internal Resistor/Capacitor Oscillator

- ERIC: External Resistor/Internal Capacitor Oscillator

‧ Wide-operating voltage range:

- EPROM : 2.3V to 5.5V

- ROM : 2.3V to 5.5V

This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.

No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.

Rev0.1 Nov 30, 2005

P.1/AT8PS54/S56

12 3 4 5 6 7...47

中文翻译

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