DF38122HWV Renesas Electronics America, DF38122HWV Datasheet - Page 467

• Manufacturer Part Number: DF38122HWV
• Description: IC H8/38122 MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300L SLPr

Specifications of DF38122HWV

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI
• Peripherals: LCD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Resistance Value Calculation Table
Ex. No
1
2
3
4
4. Using an error calculation table like the one shown below, plug in values for R1, R2, R3, and
Error Calculation Table
Vref (V)
1.3
Vref to calculate the deviation of Vreset1, Vint(D), and Vint(U). Make sure to double check
the maximum and minimum values for each value.
Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)
R1
(kΩ)
517
Vref (V)
1.30
1.41
1.57
2.09
R2
(kΩ)
33
R (kΩ)
1000
1000
1000
1000
R3
(kΩ)
450
Vreset1
2.5
2.7
3
4
Resistance Value
Error (%)
5
R1+Err, R2/R3-Err
R1-Err, R2/R3+Err
R1/R2/R3 No Err
R1/R2+Err, R3-Err
R1/R2-Err, R3+Err
Vint(D)
2.7
2.9
3.2
4.5
Comparator
Error (V)
0
-0.1
0
-0.1
0
-0.1
0
-0.1
0
-0.1
0.1
0.1
0.1
0.1
0.1
Vint(U)
2.9
3
3.5
4.7
Rev. 8.00 Mar. 09, 2010 Page 445 of 658
R1 (kΩ)
517
514
511
536
Vreset1
(V)
2.59
2.49
2.39
2.59
2.49
2.39
2.59
2.49
2.39
2.59
2.49
2.39
2.59
2.49
2.39
R2 (kΩ)
33
16
42
20
REJ09B0042-0800
Vint(D)
(V)
2.84
2.74
2.56
2.46
2.69
2.59
2.83
2.73
2.57
2.47
2.94
2.66
2.79
2.93
2.67
R3 (kΩ)
450
470
447
444
Vint(U)
(V)
3.15
3.05
2.95
2.85
2.75
2.65
2.99
2.89
2.79
3.16
3.06
2.96
2.84
2.74
2.64