(China (Mainland))
Product Summary
The W79E632A40PL is a fast 8051 compatible microcontroller with a redesigned processor core without wasted clock and memory cycles. Typically, the instruction executing time of W79E632A40PL is 1.5 to 3 times faster than that of traditional 8051, depending on the type of instruction. In general, the overall performance is about 2.5 times better than the original for the same crystal speed. Consequently, the W79E632A40PL is a fully static CMOS design; it can also be operated at a lower crystal clock.
Parametrics
W79E632A40PL absolute maximum ratings: (1)DC Power Supply: -0.3 to +7.0 V; (2)Input Voltage: VSS -0.3 to VDD +0.3 V; (3)Operating Temperature: 0 to +70 ℃; (4)Storage Temperature: -55 to +150 ℃.
Features
W79E632A40PL features: (1)8-bit CMOS microcontroller; (2)High speed architecture of 4 clocks/machine cycle; (3)Pin and instruction-set compatible with standard 80C52; (4)Dual 64KB In-System Programmable Flash EPROM banks (APFlash0 and APFlash1); (5)4KB Auxiliary Flash EPROM for loader program (LDFlash); (6)256 bytes scratch-pad RAM; (7)1 KB on-chip SRAM for MOVX instruction; (8)Four 8-bit I/O Ports; Port 0 has internal pull-up resisters enabled by software; (9)Three 16-bit Timers; (10)7 interrupt sources with two levels of priority; (11)On-chip oscillator and clock circuitry.
Diagrams
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 W79E632A40PL |
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