DF2166VTE33 Renesas Electronics America, DF2166VTE33 Datasheet - Page 470

• 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
The cyclic redundancy check (CRC) operation circuit detects errors in data blocks.
14.11.1 Features
The features of the CRC operation circuit are listed below.
• CRC code generated for any desired data length in an 8-bit unit
• CRC operation executed on eight bits in parallel
• One of three generating polynomials selectable
• CRC code generation for LSB-first or MSB-first communication selectable
Figure 14.45 shows a block diagram of the CRC operation circuit.
14.11.2 Register Descriptions
The CRC operation circuit has the following registers.
• CRC control register (CRCCR)
• CRC data input register (CRCDIR)
• CRC data output register (CRCDOR)
Rev. 3.00, 03/04, page 428 of 830
CRC Operation Circuit
Figure 14.45 Block Diagram of CRC Operation Circuit
[Legend]
CRCCR:
CRCDIR:
CRCDOR:
CRCDOR
CRCDIR
CRCCR
CRC control register
CRC data input register
CRC data output register
Control
signal
CRC code
generation
circuit