R0K572030S000BE Renesas Electronics America, R0K572030S000BE Datasheet - Page 1082

Manufacturer Part Number

R0K572030S000BE

KIT DEV FOR SH7203

Manufacturer

Renesas Electronics America

Renesas Starter Kits (RSK)r

CPU Board, LCD Module, E10A-Lite Emulator, Cable, QuickStart Guide and CD-ROM

Silicon Manufacturer

Kit Contents

Silicon Family Name

Silicon Core Number

R5S72030W200FP

Tool / Board Applications

General Purpose MCU, MPU, DSP, DSC

Mcu Supported Families

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

For Use With/related Products

Lead Free Status / Rohs Status

Section 21 D/A Converter (DAC)

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

: D/A conversion time

High-impedance state

Figure 21.2 Example of D/A Converter Operation

Conversion data 1

has elapsed.

has elapsed. The conversion result

Conversion data 2