TC9328AF Datasheet (Toshiba) - Portable Audio DTS Controller

TC9328AF, Portable Audio DTS Controller

of Pin Function TC9328AF Pin No.

Symbol Pin Name Function and Operation 1 COM1/OT1 Output common signals to LCD panels.

Through a matrix with pins S1 to S22, a maximum 88 segments can be displayed.

2 COM2/OT2 Three levels, VLCD, VEE, and GND, are LCD common output at 62.5 Hz every 2 ms.

TC9328AF Features

* built-in 1/4 duty, 1/2 bias and a 3 V voltage doubler boosting circuit, implementing stable LCD. The power supply voltage ranges from 0.9 to 1.8 V. Because of its low-current consumption (CPU: 80 µA (max)), the device is suitable for use in digital tuning systems in portable equipment such as headph