R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 950

• Manufacturer Part Number: R5F61668MZN50FPV
• Description: MCU FLASH 1024K ROM 144-LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61668MZN50FPV

• 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: 1MB (1M x 8)
• Program Memory Type: FLASH
• Ram Size: 56K 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: -

Section 19 Serial Communication Interface (SCI, CRC)
19.10
The cyclic redundancy check (CRC) operation circuit detects errors in data blocks.
19.10.1 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 19.41 shows a block diagram of the CRC operation circuit.
Rev. 1.00 Jan. 29, 2010 Page 918 of 1380
REJ09B0596-0100
CRC Operation Circuit
Figure 19.41 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