UPD70F3740GC-UEU-AX Renesas Electronics America, UPD70F3740GC-UEU-AX Datasheet - Page 733

• Manufacturer Part Number: UPD70F3740GC-UEU-AX
• Description: MCU 32BIT V850ES/JX3 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3r

Specifications of UPD70F3740GC-UEU-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 40K x 8
• Voltage - Supply (vcc/vdd): 2.85 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

V850ES/JG3
25.5 Usage Method
R01UH0015EJ0300 Rev.3.00
Sep 30, 2010
How to use the CRC logic circuit is described below.
[Basic usage method]
<1> Write 0000H to the CRCD register.
<2> Write the required quantity of data to the CRCIN register.
<3> Read the CRCD register.
Write of 0000H to CRCD register
CRCD register read
Input data exists?
Start
End
No
Figure 25-3. CRC Operation Flow
Yes
CRCIN register write
CHAPTER 25 CRC FUNCTION
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