|
Item
|
Part No. |
Description |
VDD |
LCD Seg/Com |
LCD bias, duty |
OSC |
SPI |
Buzzer |
Timer out |
I2C |
IR DECODE |
KEY SCAN |
IO |
Package |
||
|
1 |
TTP802-01 |
32*4 LCD Controller & Driver |
2.4~5.5V |
32 x 4 |
1/2, 1/3 bias 1/2, 1/3, 1/4 duty |
Internal RC 256KHz/ External 32768Hz Crystal / External 256KHz clock |
RDB, WRD, DATA |
BZ/BZB |
IRQB |
- |
- |
- |
- |
SSOP48 |
LQFP48 |
|
|
2 |
TTP916 |
Key Scan + Decoder + Power saving control + LCD driver |
3.0~5.5V |
52 x 5 |
1/3 bias 1/3, 1/4, 1/5 duty |
Crystal / External R |
CKWB, CKRB, DIO |
- |
- |
EEPROM READ |
TT6221/6222 FORMAT |
32 |
4 |
QFP64 |
|
|
