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DESCRIPTION The µPD784046(A) is a model in the µPD784046 subseries within the 78K/IV series. A stricter quality assurance program applies µPD784046(A) compared to the µPD784046 (standard model). (In terms of NEC’s quality grading, this is a ”special” grade product.) The µPD784046(A) is provided with many peripheral hardware functions such as ROM, RAM, I/O port, 10-bit resolution A/D converter, timer, serial interface, and interrupt functions, in addition to a high-speed, high-performance CPU. The µPD784046(A) is under development. Moreover, a flash memory model, µPD78F4046Note, that can operate on the same supply voltage as the mask ROM model, and many development tools are under development. FEATURES • Higher reliability compared to the µPD784044 and 784046 • Minimum instruction execution time : 160 ns (with 12.5-MHz internal clock) ···µPD784044(A), 784046(A) 200 ns (with 10-MHz internal clock) ··· µPD784044(A1), (A2), 784046(A1), (A2) • I/O port : 65 lines • Timer : 16-bit timer/counter × 2 units 16-bit timer × 3 units • A/D converter : 10-bit resolution × 16 channels • Serial interface UART/IOE (3-wire serial I/O) : 2 channels • Watchdog timer : 1 channel • Standby function HALT/STOP/IDLE mode • Supply voltage : VDD = 4.5 to 5.5 V
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