Description
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The PT16557 is 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output.
Features
* Key input function for up to 30 keys (A key scan is performed only when a key is pressed. )
* 1/3 duty and 1/4 duty drive schemes can be controlled from serial data.
* 1/2 bias and 1/3 bias drive schemes can be controlled from serial data.
* Capable of driving up to 126 segments usi
Applications
* APPLICATION
* Electronic Equipment with LCD Display
Tel: 886-2-66296288‧Fax: 886-2-29174598‧ http://www. princeton. com. tw‧2F, No. 233-1, Baociao Rd. , Sindian Dist. , New Taipei City 23145, Taiwan
PT16557
CONTENTS
1.APPLICATION CIRCUITS 3 1.1 1/2 BIAS (FOR USE WITH NORMAL PANELS) 3 1.2 1/2 BIAS