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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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4571 Scheda tecnica(PDF) 1 Page - Renesas Technology Corp |
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4571 Scheda tecnica(HTML) 1 Page - Renesas Technology Corp |
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1 / 126 page  Rev.1.02 May 25, 2007 Page 1 of 124 REJ03B0179-0102 DESCRIPTION The 4571 Group is a 4-bit single-chip microcomputer designed with CMOS technology. Its CPU is that of the 4500 series using a simple, high-speed instruction set. The computer is equipped with three 8-bit timers (each timer has one or two reload registers), interrupts, and voltage drop detection circuit. The various microcomputers in the 4571 Group include variations of the built-in memory size as shown in the table below. FEATURES • Minimum instruction execution time..............................0.5 µs (at 6 MHz oscillation frequency, in through-mode) • Supply voltage .......................................................1.8 to 5.5 V (It depends on oscillation frequency and operation mode) •Timers Timer 1..................................8-bit timer with a reload register and carrier wave output auto-control function Timer 2..................................8-bit timer with a reload register Timer 3..................... 8-bit timer with two reload registers and carrier wave generation circuit • Interrupt ..................................................................... 6 sources • Key-on wakeup function pins .............................................. 12 • I/O port ................................................................................. 17 • Output port ............................................................................. 1 • Input port ................................................................................ 1 • Voltage drop detection circuit Reset occurrence................................ Typ. 1.65 V (Ta = 25 °C) Reset release ...................................... Typ. 1.75 V (Ta = 25 °C) Interrupt occurrence........................... Typ. 1.85 V (Ta = 25 °C) • Watchdog timer • Power-on reset circuit • Clock generating circuit (ceramic resonator) APPLICATION Remote control transmitter Note 1.Shipped in blank Table 1 Support Product Part number ROM size ( × 10 bits) RAM size ( × 4 bits) Package ROM type M34571G4FP (Note 1) 4096 words 128 words PRSP0024GA-A QzROM M34571G4-XXXFP 4096 words 128 words PRSP0024GA-A QzROM M34571G6FP (Note 1) 6144 words 128 words PRSP0024GA-A QzROM M34571G6-XXXFP 6144 words 128 words PRSP0024GA-A QzROM M34571GDFP (Note 1) 16384 words 128 words PRSP0024GA-A QzROM M34571GD-XXXFP 16384 words 128 words PRSP0024GA-A QzROM 4571 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER REJ03B0179-0102 Rev.1.02 May 25, 2007 |
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