HD64F2168VTE33 Renesas Electronics America, HD64F2168VTE33 Datasheet - Page 470
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HD64F2168VTE33
Manufacturer Part Number
HD64F2168VTE33
Description
Manufacturer
Renesas Electronics America
Datasheet
1.HD64F2168VTE33.pdf
(876 pages)
Specifications of HD64F2168VTE33
Cpu Family
H8S
Device Core Size
16/32Bit
Frequency (max)
33MHz
Interface Type
I2C/IrDA/SCI
Program Memory Type
Flash
Program Memory Size
256KB
Total Internal Ram Size
40KB
# I/os (max)
106
Number Of Timers - General Purpose
5
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Instruction Set Architecture
CISC
Operating Temp Range
-20C to 75C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
144
Package Type
TQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
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Renesas
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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
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