DF61654N50FTV Renesas Electronics America, DF61654N50FTV Datasheet - Page 688

• 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)
14.11.4 Note on CRC Operation Circuit
Note that the sequence to transmit the CRC code differs between LSB-first transmission and
MSB-first transmission.
Rev.1.00 Sep. 08, 2005 Page 638 of 966
REJ09B0219-0100
1. CRC code generation
2. Transmission data
After specifying the operation method, write data to CRCDIR in the sequence of (1)
(i) LSB-first transmission
(ii) MSB-first transmission
Output
CRCDIR
CRCDORH
CRCDORL
Figure 14.48 LSB-First and MSB-First Transmit Data
7
7
7
7
(1)
(5)
(1)
CRC code
0
0
(2)
7
7
(5)
(6)
(6)
(2)
CRC code generation
(3)
0
0
7
7
(4)
(4)
(3)
0
0
0
0
7
7
(3)
(4)
0
0
7
7
(2)
(5)
CRC code
0
0
7
7
(2)
(1)
(6)
(3)
0
0
(4).
Output