DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 682

• Manufacturer Part Number: DF61654N50FTV
• Description: IC H8SX/1654 MCU FLASH 120TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of DF61654N50FTV

• Core Processor: H8SX
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SCI, SmartCard, USB
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 75
• 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: 120-TQFP, 120-VQFP
• For Use With: HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)3DK1657 - DEV EVAL KIT FOR H8SX/1657
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 14 Serial Communication Interface (SCI, IrDA, CRC)
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 14.43 shows a block diagram of the CRC operation circuit.
Rev.1.00 Sep. 08, 2005 Page 632 of 966
REJ09B0219-0100
CRC Operation Circuit
Figure 14.43 Block Diagram of CRC Operation Circuit
[Legend]
CRCCR:
CRCDIR:
CRCDOR:
CRC control register
CRC data input register
CRC data output register
CRCDOR
CRCDIR
CRCCR
Control
signal
CRC code
generation
circuit