PT6590
PT6590 is Multifunction LCD Segment Drivers manufactured by PTC.
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) and LCD (VLCD)
- Integrated LED driver circuit
- Segment output mode/GPO output mode selectable
BLOCK DIAGRAM
PT6590 Multifunction LCD Segment Drivers
- Support PWM generation from external clock or internal clock (resolution: 8bit)
- Low power consumption
- Support standby mode
- Integrated Power-On-Reset circuit (POR)
- No external ponents
- Support Blink function (Blink frequency 1.6, 2.0, 2.6,
4.0Hz selectable)
- Operating power supply: 1.8 ~ 3.6V
- LCD drive power supply: 2.7 ~ 5.5V
APPLICATIONS
- Telephone, FAX, Portable equipment (POS, ECR, PDA etc.)
- DSC, DVC, Car audio, Home electrical appliance, Meter equipment etc.
Tel: 886-2-66296288‧Fax: 886-2-29174598‧ http://.princeton..tw‧2F, No. 233-1, Baociao Rd., Sindian Dist., New Taipei City 23145, Taiwan
APPLICATION CIRCUIT
LED/GPO USING CASE
SEG OUTPUT ONLY...