DF2166VT33WV Renesas Electronics America, DF2166VT33WV Datasheet - Page 302

• Manufacturer Part Number: DF2166VT33WV
• Description: MCU 16BIT FLASH 3V 512K 144-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2166VT33WV

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 33MHz
• Connectivity: I²C, IrDA, LPC, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 106
• 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-TQFP, 144-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

9.4.1
9.4.2
Figure 9.4 shows the diagram example when using the PWM pulse as the D/A converter. Analog
signal with low ripple can be generated by connecting the low pass filter.
Rev. 3.00, 03/04, page 260 of 830
setting example
PWDR
7F
80
81
82
PWM Setting Example
Diagram of PWM Used as D/A Converter
: Pulse added
Combination of the basic pulse and added pulse outputs 0/256 to 255/256 of duty cycle as low ripple waveform.
0
1
Figure 9.4 Example when PWM is Used as D/A Converter
2
3
This LSI
4
Figure 9.3 Example of PWM Setting
5
1-conversion cycle
6
7
Resistor : 120 kΩ
8
9
Low pass filter
10
11
12
Capacitor : 0.1 µF
13
14
Reference value
15
Duty cycle
127/256
128/256
129/256
130/256
112 pulse
128 pulse
128 pulse
128 pulse
waveform
Basic
Additiona
15 pulse
0 pulse
1 pulse
2 pulse
pulse