HD64F2676VFC33 Renesas Electronics America, HD64F2676VFC33 Datasheet - Page 821
HD64F2676VFC33
Manufacturer Part Number
HD64F2676VFC33
Description
IC H8S MCU FLASH 256K 144-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2676VFC33
Core Processor
H8S/2600
Core Size
16-Bit
Speed
33MHz
Connectivity
IrDA, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
103
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 4x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Table 17.3 Control of D/A Conversion
17.4
The D/A converter includes D/A conversion circuits for four channels, each of which can operate
independently.
When DAOE bit in DACR01 or DACR23 is set to 1, D/A conversion is enabled and the
conversion result is output.
The operation example concerns D/A conversion on channel 0. Figure 17.2 shows the timing of
this operation.
[1] Write the conversion data to DADR0.
[2] Set the DAOE0 bit in DACR01 to 1. D/A conversion is started. The conversion result is output
[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.
Bit 5
DAE
0
1
from the analog output pin DA0 after the conversion time t
result is continued to 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
DADR contents
256
Operation
Bit 7
DAOE3
0
1
0
1
Vref
Bit 6
DAOE2
0
1
0
1
0
1
0
1
DCONV
Description
D/A conversion disabled
Channel 2 D/A conversion enabled, channel3 D/A conversion
disabled
Channel 3 D/A conversion enabled, channel2 D/A conversion
disabled
Channel 2 and 3 D/A conversions enabled
D/A conversion disabled
Channel 2 and 3 D/A conversions enabled
has elapsed.
Rev. 3.00 Mar 17, 2006 page 769 of 926
DCONV
has elapsed. The conversion
Section 17 D/A Converter
REJ09B0283-0300
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