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MB89925PF Datasheet(PDF) 3 Page - Fujitsu Component Limited. |
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MB89925PF Datasheet(HTML) 3 Page - Fujitsu Component Limited. |
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3 / 46 page  3 MB89920 Series s PRODUCT LINEUP * : The minimum operating voltage varies with conditions such as the operating frequencies, functions, and development tool. MB89925 MB89P928 MB89PV920 Classification Mass production products (mask ROM products) One-time PROM product (for development) Piggyback/evaluation product (for development) ROM size 8 K × 8 bits (internal mask ROM) 16 K × 8 bits (internal mask ROM) 48 K × 8 bits (internal PROM) 48 K × 8 bits (external ROM) RAM size 256 × 8 bits 512 × 8 bits 1024 × 8 bits CPU functions Number of instructions: 136 Instruction bit length: 8 bits Instruction length: 1 to 3 bytes Data bit length: 1, 8, 16 bits Minimum execution time: 0.5 µs/8 MHz Interrupt processing time: 4.5 µs/8 MHz Ports I/O ports (CMOS): 35 (25 ports also serve as peripherals.) I/O ports (N-ch open-drain): 34 (All also serve as peripherals.) Total: 69 Options Specify with mask options Set with EPROM programmer None 20-bit time-base timer 20 bits (interval time selection: 4.10 ms, 16.38 ms, 65.54 ms, 262 ms/8 MHz) Real-time I/O 16-bit timer: operating clock cycle (0.5 µs, 1.0 µs, 2.0 µs, 4.0 µs), overflow interrupt Input capture: 16 bits × 2 channels, external trigger edge selectability Output compare: 16 bits × 2 channels LCD controller/ driver Common output: 4 (selectable from 2 to 4 by software) Segment output: 28 (can be switched to ports in 4-pin unit by software) Bias power supply pins: 3 LCD display RAM size: 14 × 8 bits Dividing resistor for LCD driving: bult-in (external resistor selectability) 8-bit PWM timer 8 bits × 2-channel reload timer operation 8 bits × 2-channel PWM operation (4 cycles selectable) 8 bits × 1-channel PPG operation (4 oscillation clocks selectable) UART Variable data length (7 or 8 bits), internal baud rate generator, error detection function, full-duplex with internal double buffer, NRZ transmission formation, Clock synchronous/asynchronous transfer capable 8-bit serial I/O 8 bits, LSB first/MSB first selectability, One clock selectable from four transfer clocks (one external shift clock, three internal shift clocks: 1.0 µs, 4.0 µs, 16.0 µs) 10-bit A/D converter 10-bit resolution × 8 channels A/D conversion mode (conversion time: 16.5 µs (33 instruction cycles)) Sense mode (conversion time: 9.0 µs (18 instruction cycles)) Continuous activation by an internal clock capable Watchdog timer Interval time: approx. 130 to 260 ms Low-voltage detection reset Reset activation voltage: 3.0 to 4.3 V Reset release voltage: 3.1 to 4.5 V Hardware standby Stop the clock oscillation by pin input Buzzer/clock output 1 channel (output a frequency from 1 KHz, 2 KHz, 4 KHz, and divided clock frequency) External interrupt 4 channels (rising edge/falling edge selectability) Package QFP-80 MQFP-80 Operating voltage 2.2 to 6.0 V* 2.7 to 6.0 V* 2.7 to 6.0 V* EPROM for use MBM27C512-20TV (LCC package) MB89923 Part number Parameter |
Similar Part No. - MB89925PF |
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Similar Description - MB89925PF |
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