R5F61665N50FPV Renesas Electronics America, R5F61665N50FPV Datasheet - Page 991

• 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: -

19.11.3 CRC Operation Circuit Operation
The CRC operation circuit generates a CRC code for LSB-first/MSB-first communications. An
example in which a CRC code for hexadecimal data H'F0 is generated using the X
polynomial with the G1 and G0 bits in CRCCR set to B'11 is shown below.
4. Serial transmission (LSB first)
3. Read from CRCDOR
1. Write H'83 to CRCCR
4. Serial transmission (MSB first)
CRCCR
CRCDORH
CRCDORL
3. Read from CRCDOR
1. Write H'87 to CRCCR
Output
CRCCR
CRCDORH
CRCDORL
7
1
CRC code = H'F78F
1
CRC code = H'EF1F
F
1
7
1
0
0
7
7
1
0
0
7
1
7
1
0
0
0
0
0
0
0
1
0
0
0
0
0
0
F
1
1
0
0
0
7
0
0
0
Figure 19.45 MSB-First Data Transmission
Figure 19.44 LSB-First Data Transmission
1
1
0
0
0
Data
CRCDOR clearing
0
0
0
CRCDOR clearing
0
1
CRC code
0
0
0
0
1
0
0
1
7
0
1
0
0
1
0
0
0
0
1
0
0
0
0
0
1
0
0
8
0
0
0
0
0
0
7
1
Section 19 Serial Communication Interface (SCI, IrDA, CRC)
1
2. Write H'F0 to CRCDIR
1
CRCDIR
CRCDORH
CRCDORL
E
2. Write H'F0 to CRCDIR
CRCDIR
CRCDORH
CRCDORL
1
1
F
1
0
1
0
1
7
7
1
1
1
1
7
Rev. 2.00 Oct. 21, 2009 Page 957 of 1454
1
7
7
1
1
0
1
1
0
F
1
1
1
1
0
F
1
1
0
CRC code
1
1
0
1
1
0
1
1
0
Data
1
7
0
1
0
1
0
0
1
CRC code generation
0
0
0
1
1
CRC code generation
0
1
1
1
0
0
0
1
1
0
0
1
1
0
1
0
1
1
0
1
1
16
REJ09B0498-0200
0
0
0
0
+ X
1
0
1
1
0
0
12
1
F
+ X
1
Output
5
1
0
+ 1