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uPD75108CW249

uPD75108CW249

uPD 75108 CW 249 4-BIT SINGLE-CHIP MICROCOMPUTER

Повече информация


44,40 лв с ДДС

1768

30 други артикули от същата категория:

DESCRIPTION


mPD75108 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, mPD75108 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.
Detailed functions are described in the following user’s manual. Be sure to read it for designing.
mPD751XX Series User’s Manual: IEM-922


FEATURES


· Internal memory
• Program memory (ROM)
: 8068 ´ 8 bits (mPD75108)
: 6016 ´ 8 bits (mPD75106)
: 4096 ´ 8 bits (mPD75104)
• Data memory (RAM)
: 512 ´ 4 bits (mPD75108)
: 320 ´ 4 bits (mPD75106, 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 ms (at 4.19 MHz), 5 V
· Power-saving, instruction time change function: 0.95 ms/1.91 ms/15.3 ms (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: mPD75P108B (One-time PROM, EPROM)

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