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UPD17207


Part Number UPD17207
Manufacturer NEC
Title 4-BIT SINGLE-CHIP MICROCONTROLLER
Description The µPD17201A, 17207 is a 4-bit single-chip microcontroller, used for infrared remote control transmitters, which in-tegrates an LCD controller/dr...
Features
• 17K architecture
• Program memory (ROM)
• Data memory (RAM)
• LCD controller/driver
· Common pins
· Segment pins : General-purpose register method : 3072 x 16 bits (µPD17201A) 4096 x 16 bits (µPD17207) : 336 x 4 bits (including LCD register 36 × 4 bits) : Up to 136 segments can be displayed : 4 (2...

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UPD17201A : The µPD17201A, 17207 is a 4-bit single-chip microcontroller, used for infrared remote control transmitters, which in-tegrates an LCD controller/driver, A/D converter, and remote controller carrier generator circuit on a single chip. For the CPU, this microcontroller employs the 17K architecture of the general-purpose register method, and it can directly execute operations between data memory addresses which would have been conventionally executed by an accumulator. In addition, all the instructions are 16-bit, 1-word instructions, enabling efficient programming. A one-time PROM model, µPD17P207, to which data can be written only once is also available. This one-time PROM model is useful for .

UPD17202AGF-011 : These pins output segment signals to an LCD panel. They are used to control the display on the LCD panel by forming a matrix with COM0 through COM2 (pins 62 through 64). Ground pin I/O Format CMOS pushpull output 26 58 27 GND0 GND1 CLOCK Ground – Clock input Serial communication clock input. Data is input to or output from the DATA pin (pin 43) at the rising edge of the clock input to this pin. Serial communication load input. Commands are executed and the output status is cleared in synchronization with the rising edge of this pin. While this pin is high, clock input is invalid. This pin is connected to an internal pull-up resistor. These pins input key return signals from a key matri.

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