UPD70F3737GC-UEU-AX Renesas Electronics America, UPD70F3737GC-UEU-AX Datasheet - Page 743
UPD70F3737GC-UEU-AX
Manufacturer Part Number
UPD70F3737GC-UEU-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GC-UEU-AX.pdf
(861 pages)
Specifications of UPD70F3737GC-UEU-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Speed
20MHz
Number Of I /o
84
Core Processor
RISC
Program Memory Type
FLASH
Ram Size
8K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 12x10b, D/A 2x8b
Oscillator Type
Internal
Peripherals
DMA, LVD, PWM, WDT
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3737GC-UEU-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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25.4 Operation
+ X
operation formula.
An example of the CRC operation circuit is shown below.
The code when 01H is sent LSB first is (1000 0000). Therefore, the CRC code from generation polynomial X
The modulo-2 operation is performed based on the following formula.
5
+ 1 becomes the remainder when (1000 0000) X
0 + 0 = 0
0 + 1 = 1
1 + 0 = 1
1 + 1 = 0
1 0001 0000 0010 0001 1000 0000 0000 0000 0000 0000
Therefore, the CRC code becomes
1189H in hexadecimal notation.
−1 = 1
(1) Setting of CRCIN = 01H
(2) CRCD register read
Figure 25-2. CRC Operation Circuit Operation Example (LSB First)
LSB
1000 1000 0001 0000 1
LSB
Preliminary User’s Manual U18953EJ1V0UD
1000 0001 0000 1000 0
1000 1000 0001 0000 1
CHAPTER 25 CRC FUNCTION
1001 0001 1000 1000
1001
9
0001 1000 1000
16
b15
8
is divided by (1 0001 0000 0010 0001) using the modulo-2
1000 1000
1
1
1189H
MSB
. Since LSB first is used, this corresponds to
MSB
b7
CRC code is stored
b0
b0
16
+ X
743
12
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