MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 220
MC9S12G
Manufacturer Part Number
MC9S12G
Description
Ignores external trigger. Performs one conversion sequence and stops.
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12G.pdf
(1160 pages)
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Reference Voltage Attenuator (RVAV1)
Chapter 4
Reference Voltage Attenuator (RVAV1)
Revision History
4.1
The reference voltage attenuator (RVA) provides a circuit for reduction of the ADC reference voltage
difference VRH-VSSA to gain more ADC resolution.
4.2
The RVA has the following features:
4.3
The block diagram of the RVA module is shown below.
Refer to device overview section “ADC VRH/VRL Signal Connection” for connection of RVA to pins
and ADC module.
220
(Item No.)
Rev. No.
V00.04
V00.05
V00.06
•
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.
Attenuation of ADC reference voltage with low long-term drift
Introduction
Features
Block Diagram
Date (Submitted
26 May 2010
09 Jun 2010
01 Jul 2010
By)
Sections
Affected
MC9S12G Family Reference Manual,
• Added reference to device overview for internal connections
• Added appendix title in note to reference reduced ADC clock
• Orthographical corrections aligned to Freescale Publications Style Guide
• Aligned to S12 register guidelines
Substantial Change(s)
Rev.1.01
Freescale Semiconductor
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