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ST7637 数据表(PDF) 17 Page - Sitronix Technology Co., Ltd. |
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ST7637 数据表(HTML) 17 Page - Sitronix Technology Co., Ltd. |
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17 / 210 page  ST7637 Ver 1.6 17/210 2009/03 /EXT I OTP burn-in control Pin. There is a pull-high resistor between /EXT & VDD in ST7637. When burning OTP, please add an external VSS on /EXT. (needs external power supply voltage VPP=7.5V~7.75V) NOTE: 1. Microprocessor interface pins should not be floating in any operation mode. 2. Unused pin should connect to VDDI (Supply Digital Voltage). 6.5 LCD DRIVER OUTPUTS Name I/O Description SEG0 to SEG395 O LCD segment driver outputs The display data and the M signal control the output voltage of segment driver. Segment driver output voltage Display data M (Internal) Normal display Reverse display H H Vg VSS H L VSS Vg L H VSS Vg L L Vg VSS Sleep-In mode VSS VSS COM0 to COM131 O LCD common driver outputs The internal scanning data and M signal control the output voltage of common driver. Scan data M (Internal) Common driver output voltage H H XV0 H L V0 L H Vm L L Vm Sleep-In mode VSS Name I/O Description DETGBI DETGBO ITO DETGBI must connect to DETGBO by ITO which run a ring on LCM glass. |
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