HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 759

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

[2] Set the DAOE0 bit in DACR01 to 1. D/A conversion is started and the DA0 pin becomes an
[3] If DADR0 is written to again, the new data is immediately converted. The new conversion
[4] If the DAOE0 bit is cleared to 0, the DA0 pin becomes an input pin.
output pin. The conversion result is output after the conversion time has elapsed. The output
value is expressed by the following formula:
The conversion results are output continuously until DADR0 is written to again or the DAOE0
bit is cleared to 0.
result is output after the conversion time has elapsed.
DADR contents
φ
Address
DADR0
DAOE0
DA0
Legend:
t
DCONV
: D/A conversion time
256
High-impedance state
write cycle
DADR0
Figure 17.2 Example of D/A Converter Operation
×
V
ref
write cycle
DACR01
Conversion data 1
t
DCONV
Conversion
result 1
Rev.6.00 Sep. 27, 2007 Page 729 of 1268
write cycle
DADR0
t
DCONV
Conversion data 2
Section 17 D/A Converter
Conversion
result 2
REJ09B0220-0600
write cycle
DACR01