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MPC5645B Datasheet(PDF) 72 Page - Freescale Semiconductor, Inc

No. de pieza MPC5645B
Descripción Electrónicos  Microcontroller 64 KB on-chip data flash memory to support EEPROM emulation
PDF  114 Pages
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Fabricante Electrónico  FREESCALE [Freescale Semiconductor, Inc]
Página de inicio  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC5645B Datasheet(HTML) 72 Page - Freescale Semiconductor, Inc

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MPC5646C Microcontroller Data Sheet, Rev. 3
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
72
4.17
ADC electrical characteristics
4.17.1
Introduction
The device provides two Successive Approximation Register (SAR) analog-to-digital converters (10-bit and 12-bit).
NOTE
Due to ADC limitations, the two ADCs cannot sample a shared channel at the same time
i.e., their sampling windows cannot overlap if a shared channel is selected. If this is done,
neither of the ADCs can guarantee their conversion accuracies.
SIRCPRE
CC C Slow internal RC oscillator precision
after software trimming of fSIRC
TA = 25 °C
2—
+2
%
SIRCTRIM
CC C Slow internal RC oscillator trimming
step
——
2.7
—
SIRCVAR
CC C Slow internal RC oscillator variation
in temperature and supply with
respect to fSIRC at TA = 55 °C in high
frequency configuration
High frequency configuration
10
—
+10
%
1 V
DD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified.
2 All values need to be confirmed during device validation.
3 This does not include consumption linked to clock tree toggling and peripherals consumption when RC oscillator is
ON.
Table 40. Slow internal RC oscillator (128 kHz) electrical characteristics (continued)
Symbol
C
Parameter
Conditions1
Value2
Unit
Min
Typ
Max



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