(China (Mainland))
Product Summary
The P83C528EFB283 is the single-chip 8-bit microcontroller which is manufactured in an advanced CMOS process and is derivatives of the PCB80C51 microcontroller family. The P83C528EFB283 provides architectural enhancements that make it applicable in a variety of applications in general control systems, especially in those systems which need a large ROM and RAM capacity on chip.
Parametrics
P83C528EFB283 absolute maximum ratings: (1)supply voltage range: 4.5 to 5.5 V; (2)supply current operating modes, note 1: VDDmax, 16 MHz, 3.3 mA; VDDmax, 24 MHz, 43 mA; (3)supply current Idle mode, note 2: VDDmax, 16 MHz, 6 mA; VDDmax, 24MHz, 7.5 mA; (4)supply current Power?down mode 2: V ≤ VDD ≤ VDDmax; note 3: 100 μA.
Features
P83C528EFB283 features: (1)80C51 CPU; (2)32 kbytes on-chip ROM, expandable externally to 64 kbytes Program Memory address space; (3)EPROM versions are available: see separate data sheet P87C524 and P87C528; (4)512 bytes on-chip RAM, expandable externally to 64 kbytes Data Memory address space; (5)Four 8-bit I/O ports; (6)Full-duplex UART compatible with the standard 80C51 and the 8052; (7)Two standard 16-bit timer/counters; (8)An additional 16-bit timer (functionally equivalent to the timer 2 of the 8052); (9)On-chip Watchdog Timer (WDT) with an own oscillator; (10)Bit-level I2C-bus hardware serial I/O Port; (11)7-source and 7-vector interrupt structure with 2 priority levels; (12)Up to 3 external interrupt request inputs; (13)ROM code protection.
Diagrams
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