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STE2007 数据表(PDF) 7 Page - STMicroelectronics |
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STE2007 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 62 page ![]() STE2007 Driver pin description 7/62 2 Driver pin description 2.1 CPU interface pins 2.2 Power supply pins Table 2. CPU interface logic Signal Type Description Note !RES I Reset Input !CS I Chip Select Input When Low the communication port is enabled SDOUT 0 Serial Data Output Must be connected to SDAIN at Module Level SDAIN I Serial Data Input /I2C Interface Data Input SCLK I Serial Clock Input/I2C Interface Clock SDA_OUT 0 I2C Bus Data Out Must be left floating when I2C Interface is not is use SA1 I I2C Slave Address Cannot be left floating SA0 I I2C Slave Address Cannot be left floating !D/C I 4 Line SPI Data/Command Selector Must be connected to VSSAUX at Module Level when 4-Line SPI is not in USE Table 3. Power supply pins Signal Type Description Note VSS Power Analog & Digital Grounds VSS_LCD Power Drivers Analog Ground VSS_CP Power Booster Ground VDDI Power Digital Power VDD Power Analog Supply VDD_CP Power Booster Power Supply VSSAUX Power Auxiliar Vss Output |
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