PT6590 Overview
Pin Name CSB SCL SD VDD I/O Unused case III-- INHb I VDD CLKIN VLCD 0~3 SEG0~SEG22 SEG23~SEG26 LED VSS EXT-PAD I O O O O - VSS OPEN OPEN OPEN OPEN VSS Description Chip select: "L" active Serial data transfer clock Input serial data Power supply for LOGIC Display turning on/off select terminal H: turning off display INHb=“L”:.
PT6590 Key Features
- LCD drive output: mon output: 4, Segment output: 27
- Integrated Display data RAM (DDRAM): RAM: 27x4 =108bit
- 3-wire Serial interface (SD, SCL, CSB)
- Integrated Oscillator circuit
- Integrated LCD Voltage generator circuit
- Support: 1/3 Bias, 1/3 or 1/4 Duty
- Support: 1/1 Bias, 1/1Duty (Static Driving)
- Integrated buffer amp
- Support separate power supply for Logic (VDD)
- Integrated LED driver circuit