P89C668HBA

8-bit flash microcontroller, 44-PLCC, 20 MHz, 1.5 W, 0 to +13.0 V

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Price:: US $1.00~2.00 / piece [Get Latest Price]

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PartNumber:: P89C668HBA

Brand:: NXP Semiconductors - nxp | Pack: PLCC | D/C: 09+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-05-28

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Product Summary

The P89C668HBA is an 8-bit flash microcontroller. The P89C668HBA contains a non-volatile 64KB Flash program memory that is both parallel programmable and serial In-System and In-Application Programmable. In-System Programming (ISP) of the P89C668HBA allows the user to download new code while the microcontroller sits in the application. In-Application Programming (IAP) of the P89C668HBA means that the microcontroller fetches new program code and reprograms itself while in the system. This allows for remote programming over a modem link. A default serial loader (boot loader)program of the P89C668HBA in ROM allows serial In-System Programming of the Flash memory via the UART without the need for a loader in the Flash code. For In-Application Programming, the user program erases and reprograms the Flash memory by use of standard routines contained in ROM.

Parametrics

P89C668HBA absolute maximum ratings: (1)Operating temperature under bias: 0 to +70 or –40 to +85 ℃; (2)Storage temperature range: –65 to +150 ℃; (3)Voltage on EA/VPP pin to VSS: 0 to +13.0 V; (4)Voltage on any other pin to VSS: –0.5 to +6.5 V; (5)Maximum IOL per I/O pin: 15 mA; (6)Power dissipation (based on package heat transfer limitations, not device power consumption): 1.5 W.

Features

P89C668HBA features: (1)Can be programmed by the end-user application (IAP); (2)Parallel programming with 87C51 compatible hardware interface to programmer; (3)Six clocks per machine cycle operation (standard); (4)12 clocks per machine cycle operation (optional); (5)Speed up to 20 MHz with 6 clock cycles per machine cycle(40MHz equivalent performance); up to 33 MHz with 12 clocks per machine cycle; (6)Fully static operation; (7)RAM externally expandable to 64 kbytes; (8)Four interrupt priority levels; (9)Eight interrupt sources; (10)Four 8-bit I/O ports.