UPD70F3451GC-UBT-A Renesas Electronics America, UPD70F3451GC-UBT-A Datasheet - Page 698

• Manufacturer Part Number: UPD70F3451GC-UBT-A
• Description: MCU 32BIT 128KB FLASH 80LQFP
• Manufacturer: Renesas Electronics America
• Series: V850E/Ix3r

Specifications of UPD70F3451GC-UBT-A

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: CSI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 44
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3.5 V ~ 5.5 V
• Data Converters: A/D 10x12b, 4x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

696
Remark
The relationship between the analog voltage input to the analog input pin (ANI2n) and the A/D conversion
result (of A/D2 conversion result register n (AD2CRn)) is as follows:
or,
The relationship between the analog input voltage and the A/D conversion results is shown in Figure 13-2.
A/D conversion result
SAR = INT (
ADCR
(SAR − 0.5) ×
INT( ): Function that returns the integer of the value in ( )
V
AV
ADCR: Value of A/D2 conversion result register n (AD2CRn)
Note The lower 6 bits of the AD2CRn register are fixed to 0.
Figure 13-2. Relationship Between Analog Input Voltage and A/D Conversion Results
V850E/IF3: n = 0 to 3
V850E/IG3: n = 0 to 7
IN
(AD2CRn)
:
DD2
Note
: AV
= SAR × 64
Analog input voltage
DD2
AV
V
AV
1,024
IN
DD2
pin voltage
1023
1022
1021
DD2
× 1,024 + 0.5)
SAR
3
2
1
0
≤ V
IN
2048
1
< (SAR + 0.5) ×
CHAPTER 13 A/D CONVERTER 2
1024
1
User’s Manual U18279EJ3V0UD
2048
3
1024
2
2048
AV
1,024
5
DD2
Input voltage/AV
1024
3
2043
2048
DD2
1022
1024
2045
2048
1023
1024
2047
2048
AD2CRn
1
F F C 0 H
F F 8 0 H
F F 4 0 H
0 0 C 0 H
0 0 8 0 H
0 0 4 0 H
0 0 0 0 H