raio/瑞佑 销售raio全系列产品： ra8835ap3n ra8835 ra8806 ra6963 ra8802 ra8822 ra8816 ra8815 ra8803 1)ra8835ap3n 替代 s1d13305 epson ，无需更改软硬件。 2)ra6963l2na替代t6963 toshiba 无需更改任何硬件,直接替换。 3）ra8808-2009 瑞佑新推出点矩阵液晶显示驱动芯片，其可支持128(segment) x 64(common)点阵液晶，并以低成本单芯片方案取代s6b0107/s6b010..upport text and graphics mode. maximum resolution: 320x240 with 2-layersoverlay display (and, or, nor and xor). extension mode: 640x240 or 320x480 withsingle layer. support 4/8-bits of 6800/8080 mpu interfaceand 4/8-bits driver interface. built-in smart 8x8 or 4x8 key-scan circuit withprogrammable long key function. support horizontal and vertical area scrollingbuilt-in gb/big5 and ascii font rom. support 90°, 180°, 270° font and displayrotation. support font enlargement(x1 ~ x4 inhorizontal and vertical direction) built-in 512byte cgram for user-created font: _ half-size: 8x16 _ full-size: 16x16 un-used ddram could be used as a cgram of 300 full-size or 600 half-sizecharacters. flexible interrupt/polling mechanism for touchpanel, key-scan and power modeprogramming. support font alignment function. support 4-gray-scale display (frc mode). support bold font and row-row interval settingbuilt-in smart resister type touch panel controller. built-in pwm for contrast or back-light controlpower mode to reduce power consumption. clock source: 4m ~ 12mhz crystal or externalclockbuilt-in a 5v-to-3v dc/dc converter power supply: 2.4v ~ 5.5v