UPD754264 Description
The µPD754264 is a 4-bit single-chip microcontroller which incorporates the EEPROMTM for key-less entry application. It incorporates a 32 × 8-bit EEPROM, a CPU performing operation, a 4-Kbyte mask ROM to store software, a 128 × 4-bit RAM to store the operation data, an 8-bit resolution A/D converter, and a carrier generator which easily outputs waveforms for infrared remote controller. The details of functions are...
UPD754264 Key Features
- On-chip EEPROM: 32 × 8 bits (mapped to the data memory)
- On-chip key return reset function for key-less entry
- On-chip low-voltage A/D converter (AVREF = 1.8 to 6.0 V), 8-bit resolution × 2 channels
- Low-voltage operation: VDD = 1.8 to 6.0 V
- Timer function (4 channels)
- Basic interval timer/watchdog timer : 1 channel
- 8-bit timer counter
- On-chip memory
- Program memory (ROM) 4096 × 8 bits
- Data memory (static RAM) 128 × 4 bits