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upd6125/upd6125A pdf datasheet
刘润生
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The mPD6125A is 4-bit single-chip microcontroller for infrared remote control transmitters used in control systems such
as TVs, VCRs, stereos, cassette decks, and air conditioners.
This microcontroller consists of ROM, RAM, a 4-bit parallel processing ALU, a programmable timer, a key
I/O port, and a transmission output port. It can be used for various applications through programming.
FEATURES
• Programmable transmitter for infrared remote controller
• 19 instructions
• Instruction execution time: 17.6 ms (system clock; at fOSC = 455 kHz)
• Program memory (ROM) capacity: 1002 x 10 bits
• Data memory (RAM) capacity: 32 x 5 bits
• 9-bit programmable timer: 1 channel
• I/O pins (KI/O): 8 lines
• I/O pins (I/O): 4 lines
• Input pins (KI): 4 lines
• Serial input pin (S-IN): 1 line
• Transmission-in-progress display pin (S-OUT): 1 line
• Transmission carrier frequency (REM)fosc/12, fosc/8
• Standby operation (HALT/STOP modes)
• Low power dissipation
• Current dissipation in STOP mode (TA = 25 °C)1 mA MAX.
• Low-voltage operation: VDD = 2.0 to 6.0 V
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