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Description
µPD75108 is a 4-bit single-chip microcomputer integrating timer/event counters, serial interface, and vector interrupt function, in addition to a CPU, ROM, RAM, and I/O ports, on a single chip. Operating at high speeds, the microcomputer allows data to be manipulated in units of 1, 4, or 8 bits. In addition, various bit manipulation instructions are provided to reinforce I/O manipulation capability. Equipped with I/Os for interfacing with peripheral circuits operating on a different supply voltage, outputs that can directly drive LEDs, and analog inputs, µPD75108 is suitable for controlling such systems as VTRs, acoustic products, button telephones, radio communications equipment, and printers. A pin-compatible EPROM model is also available for evaluation of system development and small-scale production of application systems.
Specifications and features
• Internal memory
• Program memory (ROM)
: 8068 × 8 bits (µPD75108)
: 6016 × 8 bits (µPD75106)
: 4096 × 8 bits (µPD75104)
• Data memory (RAM)
: 512 × 4 bits (µPD75108)
: 320 × 4 bits (µPD75106, 75104)
• New architecture “75X series” rivaling 8-bit microcomputers
• 43 systematically organized instructions
• A wealth of bit manipulation instructions
• 8-bit data transfer, compare, operation, increment, and decrement instructions
• 1-byte relative branch instructions
• GETI instruction executing 2-/3-byte instruction with one byte
• High speed. Minimum instruction execution time: 0.95 µs (at 4.19 MHz), 5 V
• Power-saving, instruction time change function: 0.95 µs/1.91 µs/15.3 µs (at 4.19 MHz)
• I/O port pins as many as 58
• Three channels of 8-bit timers
• 8-bit serial interface
• Multiplexed vector interrupt function
• Model with PROM is available: µPD75P108B (One-time PROM, EPROM)Application Scenarios
µPD75108 is suitable for controlling such systems as VTRs, acoustic products, button telephones, radio communications equipment, and printers. It is also used for system development and small-scale production of application systems.
Comparison
Advantages- Integrates multiple functions on a single chip, saving space and reducing costs
- High-speed operation allows for efficient data manipulation
- Provides various bit manipulation instructions for enhanced I/O manipulation capability
- Can interface with peripheral circuits operating on different supply voltage
- Suitable for controlling a wide range of systems and applications
- Compatibility with pin-compatible EPROM model for evaluation and development purposesDisadvantages- Limited to 4-bit data manipulation
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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- Last Updated: 2024/06/03 13:36 +0800
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