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SC9S12HY64J0CLL Datasheet(PDF) 45 Page - Freescale Semiconductor, Inc |
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SC9S12HY64J0CLL Datasheet(HTML) 45 Page - Freescale Semiconductor, Inc |
45 / 790 page Device Overview MC9S12HY/HA-Family MC9S12HY/HA-Family Reference Manual, Rev. 1.04 Freescale Semiconductor 45 1.7.4.6 VDDM[2:1] / VSSM[2:1]— Power Supply Pins for Motor 0 to 3 External power supply pins for the Port U and Port V. VDDM2 and VDDM1 as well as VSSM2 and VSSM1 are internal connected together. 1.7.4.7 VLCD— Power Supply Reference Pin for LCD driver VLCD is the voltage reference pin for the LCD driver. Adjusting the voltage on this pin will change the display contrast. 1.7.4.8 Power and Ground Connection Summary Table 1-9. Power and Ground Connection Summary 1.8 System Clock Description For the system clock description please refer to chapter Chapter 7, “S12 Clock, Reset and Power Management Unit (S12CPMU) Block Description. For the LCD IRCCLK in Table 18-8. LCD Clock and Frame Frequency, it is always connected to the internal 1MHZ RC output. Mnemonic Nominal Voltage Description VDDR 5.0 V External power supply to internal voltage regulator VDDX 5.0 V External power and ground, supply to pin drivers VSSX 0 V VDDA/VRH 5.0 V Operating voltage and ground for the analog-to-digital converters and the reference for the internal voltage regulator, allows the supply voltage to the A/D to be bypassed independently.AlsorReference voltages for the analog-to-digital converter. VSSA/VRL 0 V VSS3 0 V Internal power and ground generated by internal regulator for the internal core. VSSPLL 0 V Provides operating voltage and ground for the phased-locked loop. This allows the supply voltage to the PLL to be bypassed independently. Internal power and ground generated by internal regulator. VDDM[2:1] 5.0 V External power and ground, supply to Port U/V motor drivers VSSM[2:1] 0 V VLCD 5.0 V External voltage reference for the LCD driver |
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