MSM66X587

The MSM66X587 is a kind of high-performance, 16-bit CMOS single-chip microcontroller based on Oki's own architecture. On-chip peripherals consist of two switchable real-time channels, one 16-bit PWM channel, five external interrupt input channels, one serial output channel, and an 8-bit analog-todigital converter. The MSM66X587 is intended for system control applications controlling decoder LSIs, digital signal processors, and host interface LSIs in equipment such as CD-ROM drives and magneto-optical drives. The device is compact for low-profile package and built-in pull-up resistor and programmability at bit level. The typical applications of MSM66X587 include CD-ROM drives, magneto-optical drives, mini disk drives and floppy disk drives.

There are some essential features of MSM66X587 as follows: (1)operation temperature: -30 to +70; (2)supply voltage range/max. int. operating frequency: +4.5 to 5.5 V/f=20 MHz and +2.7 to 5.5 V/ f=10 MHz; (3)min. instruction execution time: 100ns @20 MHz (+4.5 to 5.5 V) and 200 ns @10 MHz (+2.7 to 5.5 V) ; (4)max. ext. ROM size: 1 MByte; (5)internal RAM size: 2 kByte; (6)max. ext. RAM size: 1 MByte; (7)I/O ports: 80 I/Os (40 with programmable pull-up); (8)timer: 16-bit free-run timerx1 and two 16-bit real-time output channels (choice of real-time output or toggled real-time output. In two-channel mode one channel can be configured as; (9)PWM output); one 16-bit PWM; general purpose 8-bit auto-reload timer (suitable for counting external events); one 8-bit auto-reload counter (doubles as serial interface's baud rate generator); (10)serial port: one synchronous port; (11)A/D converter: 8-bitx4 channels; (12)external interrupt: non-maskable*1, maskable*4; (13)Flash ROM version: MSM66Q587 (64KB Flash ROM); (14)OTP-ROM version: MSM66P587 (64KB OTP-ROM); (15)package: 100-pin TQFP (TQFP100-P-1414-0.50-K).

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