S9S12G128F0VLF Freescale Semiconductor, S9S12G128F0VLF Datasheet - Page 261

• Manufacturer Part Number: S9S12G128F0VLF
• Description: 16-bit Microcontrollers - MCU 16BIT 128K FLASH
• Manufacturer: Freescale Semiconductor

Specifications of S9S12G128F0VLF

• Rohs: yes
• Core: S12
• Processor Series: MC9S12G
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 128 KB
• Data Ram Size: 8 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 5 V
• Operating Temperature Range: - 40 C to + 105 C
• Package / Case: LQFP-48
• Mounting Style: SMD/SMT

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.
Freescale Semiconductor
(Item No.)
Rev. No.
V00.05
V00.06
V01.00
•
Attenuation of ADC reference voltage with low long-term drift
Introduction
Features
Block Diagram
Date (Submitted
09 Jun 2010
18 Oct 2010
01 Jul 2010
By)
Sections
Affected
MC9S12G Family Reference Manual, Rev.1.23
• Added appendix title in note to reference reduced ADC clock
• Orthographical corrections aligned to Freescale Publications Style Guide
• Aligned to S12 register guidelines
• Initial version
Substantial Change(s)
263