PC9S12XEP100F1MVLR datasheet(73/1324 Pages) FREESCALE

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Chapter 1 Device Overview MC9S12XE-Family

MC9S12XE-Family Reference Manual Rev. 1.21

Freescale Semiconductor

Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers

indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010

1.2.4.4

VDDF — NVM Power Pin

Power is supplied to the MCU NVM through VDDF . The voltage supply of nominally 2.8V is derived

from the internal voltage regulator. No static external loading of these pins is permitted.

1.2.4.5

VDDA2, VDDA1, VSSA2, VSSA1 — Power Supply Pins for ATD and

Voltage Regulator

These are the power supply and ground input pins for the analog-to-digital converters and the voltage

regulator. Internally the VDDA pins are connected together. Internally the VSSA pins are connected

together.

1.2.4.6

VRH, VRL — ATD Reference Voltage Input Pins

VRH and VRL are the reference voltage input pins for the analog-to-digital converter.

1.2.4.7

VDDPLL, VSSPL — Power Supply Pins for PLL

These pins provide operating voltage and ground for the oscillator and the phased-locked loop. The voltage

supply of nominally 1.8V is derived from the internal voltage regulator. This allows the supply voltage to

the oscillator and PLL to be bypassed independently. This voltage is generated by the internal voltage

regulator. No static external loading of these pins is permitted.

Table 1-11. Power and Ground Connection Summary

Mnemonic

Nominal

Voltage

Description

VDDR

5.0 V

External power supply to internal voltage

regulator

VDDX[7:1]

5.0 V

External power and ground, supply to pin

drivers

VSSX[7:1]

0 V

VDDA2,

VDDA1

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.

VSSA2,

VSSA1

0 V

VRL

0 V

Reference voltages for the analog-to-digital

converter.

VRH

5.0 V

VDD

1.8 V

Internal power and ground generated by

internal regulator for the internal core.

VSS1, VSS2,

VSS3

VDDF

2.8 V

Internal power and ground generated by

internal regulator for the internal NVM.

PC9S12XEP100F1MVLR Datasheet(PDF) 73 Page - Freescale Semiconductor, Inc

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