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The MB89890 series is a line of single-chip microcontrollers containing a great variety of peripheral functions such as dual clock control systems, 4-stage operating speed controller, DTMF signal generator, timer, PWM timer, serial interface, modem, A/D converter and external interrupt, as well as compact instruction set.
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F²MC-8L family CPU core
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Dual clock control system
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Maximum memory size: 64 Kbytes
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Minimum execution time: 0.5µs at 8 MHz
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Interrupt processing time: 4.5µs at 8 MHz
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I/O ports: max. 85 ports
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21-bit time-base counter
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8-bit PWM timer
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DTMF generator
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8/16-bit timer
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8-bit serial I/O
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Serial I/O with 1-byte buffer
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A/D converter
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Modem timer (pulse-width counter)
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Modem signal output
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External interrupt: 16 channels
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Power-on reset function
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Low-power consumption modes (subclock mode, watch mode, sleep mode, stop mode)
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CMOS technology
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Datasheet V3-00
51 pages, 704 KB
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Hardware Manual V2-00
500 pages, 6282 KB
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PF package 0.65mm QFP
1 page, 109 KB
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CF package 0.65mm QFP
1 page, 82 KB
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CF package 1mm MQFP
1 page, 54 KB
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