(China (Mainland))
Product Summary
The UPD17P149GT is a 4-bit singlechip microcontroller.
Features
UPD17P149GT features: (1)Comparator input: Comparison function with external reference voltage (Vref), Can be used as 4-bit A/D converter by using 15 types of internal reference voltage (1/16 to 15/16 VDD) depending on the software; (2)3-wire serial interface: 1 channel; (3)Power-on/power-down reset circuit (reducing external circuits); (4)It can operate in the same way as mask ROM version VDD = 2.7 to 5.5 V.
Diagrams
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