DS72030W200FPV Renesas Electronics America, DS72030W200FPV Datasheet - Page 1076
DS72030W200FPV
Manufacturer Part Number
DS72030W200FPV
Description
MPU, 32BIT, SH7203, ROMLESS, 240QFP
Manufacturer
Renesas Electronics America
Series
SH7200r
Datasheet
1.R5S72030W200FP.pdf
(1686 pages)
Specifications of DS72030W200FPV
Core Size
32bit
Program Memory Size
32KB
Cpu Speed
200MHz
Digital Ic Case Style
QFP
No. Of Pins
240
Supply Voltage Range
1.1V To 1.3V
Operating Temperature Range
-20°C To +85°C
Svhc
No SVHC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Section 20 A/D Converter (ADC)
20.7.6
Adding capacitance results in coupling with GND, and therefore noise in GND may adversely
affect absolute precision. Be sure to connect AVss, etc. to an electrically stable GND.
Care is also required to insure that filter circuits do not communicate with digital signals on the
mounting board (i.e., acting as antennas).
20.7.7
Before entering deep standby mode, disable A/D conversion by clearing the ADST bit to 0. If the
LSI enters deep standby mode with A/D conversion enabled, the states on the A/D converter pins
are not guaranteed.
20.7.8
Starting conversion immediately after stopping scan mode or multi mode can cause incorrect
conversion results. To continue with conversion in which cases, allow a duration equivalent to the
A/D conversion time for one channel to elapse after clearing ADST to 0 before starting conversion
(by setting ADST to 1). (The A/D conversion time for one channel differs depending on the
peripheral register settings.)
Rev. 3.00 Sep. 28, 2009 Page 1044 of 1650
REJ09B0313-0300
Influences on Absolute Precision
A/D Conversion in Deep Standby Mode
Note on Usage in Scan Mode and Multi Mode
Sensor input
Note: Values are reference values.
Sensor output impedance
Figure 20.10 Example of Analog Input Circuit
Low-pass filter
C to 0.1 μF
Up to 5 kΩ
15 pF
Cin =
This LSI
A/D converter
equivalent circuit
3 kΩ
20 pF
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