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MPC5643L 数据表(PDF) 52 Page - Freescale Semiconductor, Inc |
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MPC5643L 数据表(HTML) 52 Page - Freescale Semiconductor, Inc |
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52 / 136 page  MPC5643L Microcontroller Data Sheet, Rev. 8.1 Package pinouts and signal descriptions Freescale Semiconductor 52 2.2 Supply pins Table 5. Supply pins Supply Pin # Symbol Description 144 pkg 257 pkg VREG control and power supply pins BCTRL Voltage regulator external NPN ballast base control pin 69 R13 VDD_LV_COR Core logic supply 70 VDD_LV1 VSS_LV_COR Core regulator ground 71 VSS_LV2 VDD_HV_PMU Voltage regulator supply 72 U14 ADC_0/ADC_1 reference voltage and ADC supply VDD_HV_ADR0 ADC_0 high reference voltage 50 R7 VSS_HV_ADR0 ADC_0 low reference voltage 51 T7 VDD_HV_ADR1 ADC_1 high reference voltage 56 R9 VSS_HV_ADR1 ADC_1 low reference voltage 57 T9 VDD_HV_ADV ADC voltage supply for ADC_0 and ADC_1 58 U9 VSS_HV_ADV ADC ground for ADC_0 and ADC_1 59 U10 Power supply pins (3.3 V) VDD_HV_IO 3.3 V Input/Output supply voltage 6 VDD_HV3 VSS_HV_IO 3.3 V Input/Output ground 7 VSS_HV4 VDD_HV_REG_0 VDD_HV_REG_0 16 J3 VDD_HV_IO 3.3 V Input/Output supply voltage 21 VDD_HV3 VSS_HV_IO 3.3 V Input/Output ground 22 VSS_HV4 VDD_HV_OSC Crystal oscillator amplifier supply voltage 27 M1 VSS_HV_OSC Crystal oscillator amplifier ground 28 P1 VSS_HV_IO 3.3 V Input/Output ground 90 VSS_HV4 VDD_HV_IO 3.3 V Input/Output supply voltage 91 VDD_HV3 VDD_HV_REG_1 VDD_HV_REG_1 95 H15 VSS_HV_FLA VSS_HV_FLA 96 J16 VDD_HV_FLA VDD_HV_FLA 97 H16 VDD_HV_IO VDD_HV_IO 126 VDD_HV3 VSS_HV_IO VSS_HV_IO 127 VSS_HV4 VDD_HV_REG_2 VDD_HV_REG_2 130 C7 Power supply pins (1.2 V) VSS_LV_COR VSS_LV_COR Decoupling pins for core logic. Decoupling capacitor must be connected between these pins and the nearest VDD_LV_COR pin. 17 VSS_HV2 |
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