7641 datasheet(19/385 Pages) RENESAS

19 / 385 page

Rev.2.00

Aug 28, 2006

page 2 of 113

7641 Group

REJ09B0336-0200

HARDWARE

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)

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 10.)

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 periph-

eral devices

sNotes

The flash memory version cannot be used for application embedded

in the MCU card.

DESCRIPTION

7641 Datasheet(PDF) 19 Page - Renesas Technology Corp

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