R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 1082
R0K572030S000BE
Manufacturer Part Number
R0K572030S000BE
Description
KIT DEV FOR SH7203
Manufacturer
Renesas Electronics America
Series
Renesas Starter Kits (RSK)r
Type
MCUr
Specifications of R0K572030S000BE
Contents
CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM
Silicon Manufacturer
Renesas
Kit Contents
Board
Silicon Family Name
SH7203
Silicon Core Number
R5S72030W200FP
Tool / Board Applications
General Purpose MCU, MPU, DSP, DSC
Mcu Supported Families
SH7203
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
SH7203
Lead Free Status / Rohs Status
Compliant
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Section 21 D/A Converter (DAC)
21.4
The D/A converter includes D/A conversion circuits for two channels, each of which can operate
independently. When the DAOE bit in DACR is set to 1, D/A conversion is enabled and the
conversion result is output.
An operation example of D/A conversion on channel 0 is shown below. Figure 21.2 shows the
timing of this operation.
1. Write the conversion data to DADR0.
2. Set the DAOE0 bit in DACR to 1 to start D/A conversion. The conversion result is output from
3. If DADR0 is written to again, the conversion is immediately started. The conversion result is
4. If the DAOE0 bit is cleared to 0, analog output is disabled.
Rev. 3.00 Sep. 28, 2009 Page 1050 of 1650
REJ09B0313-0300
the analog output pin DA0 after the conversion time t
continues to be output until DADR0 is written to again or the DAOE0 bit is cleared to 0. The
output value is expressed by the following formula:
output after the conversion time t
Contents of DADR
Operation
[Legend]
t
Address
DCONV
DADR0
DAOE0
256
DA0
φ
: D/A conversion time
High-impedance state
DADR0
write cycle
Figure 21.2 Example of D/A Converter Operation
× AVref
DACR
write cycle
DCONV
Conversion data 1
t
DCONV
has elapsed.
Conversion
result 1
DADR0
write cycle
DCONV
has elapsed. The conversion result
t
DCONV
Conversion data 2
Conversion
result 2
DACR
write cycle
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