MAX1233 Description
The MAX1233/MAX1234 are plete PDA controllers in 5mm × 5mm, 28-pin QFN and TQFN packages.
MAX1233 Key Features
- Single-Supply Operation +2.7V to +3.6V (MAX1233) +4.75V to +5.25V (MAX1234)
- 4-Wire Touch-Screen Interface
- Internal +1.0V/+2.5V Reference or External Reference (+1.0V to AVDD)
- SPI™/QSPI™/MICROWIRE™-patible 10MHz Serial Interface
- 12-Bit, 50ksps ADC Measures Resistive Touch-Screen Position and Pressure Two Auxiliary Analog Inputs Two Battery Voltage
- 8-Bit DAC for LCD Bias Control
- 4 × 4 Keypad Programmable Controller Offers Up to Eight GPIO Pins
- Automatic Detection of Screen Touch, Key Press, and End of Conversion
- Programmable 8-, 10-, 12-Bit Resolution
- Programmable Conversion Rates