S12OSCV2D datasheet(64/126 Pages) FREESCALE

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S12OSCV2D 数据表(PDF) 64 Page - Freescale Semiconductor, Inc

部件名	S12OSCV2D

功能描述	MC9S12DJ64 Device User GUide V01.17

PDF	126 Pages

Scroll/Zoom	100%

制造商	FREESCALE [Freescale Semiconductor, Inc]

网页	http://www.freescale.com

标志

64 / 126 page

MC9S12DJ64 Device User Guide — V01.17

2.4.5 VRH, VRL — ATD Reference Voltage Input Pins

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

2.4.6 VDDPLL, VSSPLL — Power Supply Pins for PLL

Provides operating voltage and ground for the Oscillator and the Phased-Locked Loop. This allows the

supply voltage to the Oscillator and PLL to be bypassed independently.This 2.5V voltage is generated by

the internal voltage regulator.

NOTE:

No load allowed except for bypass capacitors.

2.4.7 VREGEN — On Chip Voltage Regulator Enable

Enables the internal 5V to 2.5V voltage regulator. If this pin is tied low, VDD1,2 and VDDPLL must be

supplied externally.

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