RISC Processor Ups Speed, Lowers Power

Jan. 1, 2003
Operating at speeds up to 133 MHz (173 MIPS) while drawing just 200 mW, the SH7705 SuperH RISC processor also integrates a USB function, timers and other interfaces and peripherals. Typical applications include digital still cameras, video printers,

Operating at speeds up to 133 MHz (173 MIPS) while drawing just 200 mW, the SH7705 SuperH RISC processor also integrates a USB function, timers and other interfaces and peripherals. Typical applications include digital still cameras, video printers, portable information devices, and office automation equipment. Manufactured with a 0.18 µm fine CMOS process, the internal logic circuits operate at 1.5V and the input/output circuits at 3.3V. When the processor's full capabilities are not required, four power-down modes are included to further reduce power consumption. One mode, module standby, allows software to tune consumption by halting the operation of specific on-chip functions individually. The USB function supports USB Version 1.1 control, interrupt, and bulk transfers to support data rates up to 12 Mb/s. A USB transceiver is also integrated, eliminating the need for an external transmitter IC. Other peripheral functions include a two-channel serial interface with a 64-byte FIFO, memory management unit, bus state controller, a four-channel DMA controller, timers, a real-time clock, a four-channel, 10-bit a/d converter, and an IrDA Version 1.0 interface. The HD6417705F133 (133 MHZ) and HD6417705F100 (100 MHz) devices are available in a 208-pin LQFP measuring 28 mm x 28 mm with a 0.5 mm pin pitch priced at $13.75 and $12.25, respectively, each/10,000. The HD6417705BP133 (133 MHz) and HD6417705BP100 (100 MHz) come in a 208-pin CSP measuring 12 mm x 12 mm with a 0.65 mm pin pitch and are priced at $15 and $13.50, respectively, each/10,000. HITACHI SEMICONDUCTOR AMERICA INC., San Jose, CA. (800) 285-1601.

Company: HITACHI SEMICONDUCTOR AMERICA INC.

Product URL: Click here for more information

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