DF2166VTE33 Renesas Electronics America, DF2166VTE33 Datasheet - Page 472

• Manufacturer Part Number: DF2166VTE33
• Description: MCU FLASH 3V 512K 33MHZ 144TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2166VTE33

• 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: Contains lead / RoHS non-compliant
• Eeprom Size: -

14.11.3 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.
Rev. 3.00, 03/04, page 430 of 830
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 14.47 MSB-First Data Transmission
Figure 14.46 LSB-First Data Transmission
1
0
0
0
1
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
8
1
0
0
0
0
0
0
0
0
1
7
1
2. Write H'F0 to CRCDIR
CRCDIR
CRCDORH
CRCDORL
1
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
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
0
1
1
CRC code generation
1
0
0
0
1
1
0
0
1
1
0
1
0
1
1
0
1
1
16
0
0
0
0
+ X
1
0
1
1
0
0
12
1
F
+ X
1
Output
5
1
0
+ 1