Syntek Semiconductor Co., Ltd
STK55C641 Specification 1. FEATURES :
* Operating voltage : 2.5V - 6V. * Maximum CPU operating frequency : 4MHz at 5V and 1.5MHz at 2.5V * Dual oscillators : - 32.768 KHz crystal oscillator for LCD display and watch timer. - RC oscillator for system clock. * 40 segments and 16 commons output for LCD driver. - 1/5 bias, 1/16 duty...
