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7641 Datasheet(PDF) 1 Page - Renesas Technology Corp |
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7641 Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 138 page  DESCRIPTION The 7641 group is the 8-bit microcomputer based on the 7600 series core (740 family core compatible) technology. The 7641 group is designed for PC peripheral devices, including the USB, DMAC, Serial I/O, UART, Timer, Master CPU bus interface and so on. FEATURES <Microcomputer mode) qBasic machine-language instructions ....................................... 71 qMinimum instruction execution time ..................................... 83 ns (at 24 MHz oscillation frequency) qMemory size ROM ............................................................................. 32 Kbytes RAM ................................................................................ 1 Kbytes qProgrammable input/output ports ............................................. 66 qSoftware pull-up resistors .................................................. Built-in qInterrupts ................................................... 24 sources, 24 vectors (external 5 including Key input, internal 18, software 1) qUSB function control unit Transceiver ............................... Full-Speed USB2.0 specification qTimers ..................................................... 16-bit ✕ 2 (Timers X, Y) 8-bit ✕ 3 (Timers 1, 2, 3) qSerial Interface Serial I/O ......................................................................... 8-bit ✕ 1 UART .............................................................................. 8-bit ✕ 2 qDMAC .......................................................................... 2 channels qMaster CPU bus interface ................................................. 2 bytes qSpecial count source generator ...................................... 8-bit ✕ 1 qClock generating circuit ..................................................... Built-in (connect to external ceramic resonator or quartz-crystal oscillator) qPower source voltage At 24 MHz oscillation frequency, φ = 12 MHz ......... 4.15 to 5.25 V At 24 MHz oscillation frequency, φ = 6 MHz ........... 3.00 to 3.60 V qOperating temperature range .................................... –20 to 70°C qPackages FP ................................................ PRQP0080GB-A (80-pin QFP) HP ............................................... PLQP0080KB-A (80-pin LQFP) <Flash memory mode> qPower source voltage At 24 MHz oscillation frequency, φ = 12 MHz ......... 4.15 to 5.25 V At 24 MHz oscillation frequency, φ = 6 MHz ........... 3.00 to 3.60 V qProgram/Erase voltage .................................. VCC = 4.50 V to 5.25 V, or 3.00 V to 3.60 V .................................................................. VPP = 4.50 V to 5.25 V At 24 MHz oscillation frequency, φ = 6 MHz (See Table 25.) qMemory size Flash ROM .................................................................... 32 Kbytes RAM ............................................................................. 2.5 Kbytes qFlash memory mode ....................................................... 3 modes Parallel I/O mode Standard serial I/O mode CPU rewrite mode qProgramming method ....................... Programming in unit of byte qErasing method Batch erasing Block erasing qProgram/Erase control by software command qCommand number ................................................... 6 commands qNumber of times for programming/erasing ............................. 100 qROM code protection Available in parallel I/O mode and standard serial I/O mode qOperating temperature range (at programming/erasing) .............. ...................................................................... Normal temperature APPLICATION Audio, musical instrument, printer, scanner, modem, other PC pe- ripheral devices sNotes The flash memory version cannot be used for application embed- ded in the MCU card. 7641 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER REJ03B0191-0400 Rev.4.00 Aug 28, 2006 Rev.4.00 Aug 28, 2006 page 1 of 135 REJ03B0191-0400 |
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