R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 1143

• Manufacturer Part Number: R5F61665N50FPV
• Description: MCU FLASH 512K ROM 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61665N50FPV

• Core Processor: H8SX
• Core Size: 16/32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 92
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.4
The D/A converter includes D/A conversion circuits for two channels, each of which can operate
independently. When the DAOE bit in DACR01 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 23.2 shows the
timing of this operation.
1. Write the conversion data to DADR0.
2. Set the DAOE0 bit in DACR01 to 1 to start D/A conversion. The conversion result is output
• Formula for 8-bit conversion
• Formula for 10-bit conversion
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.
from the analog output pin DA0 after the conversion time t
result continues to be output until DADR0 is written to again or the DAOE0 bit is cleared to 0.
Output values are expressed by the following formulae.
output after the conversion time t
Contents of DADR
Contents of DADR
Operation
1024
256
x Vref
x Vref
DCONV
has elapsed.
Rev. 2.00 Oct. 21, 2009 Page 1109 of 1454
DCONV
has elapsed. The conversion
Section 23 D/A Converter
REJ09B0498-0200