NUC120LD2BN Nuvoton Technology Corporation of America, NUC120LD2BN Datasheet - Page 425
![IC MCU 32BIT 64KB FLASH 48LQFP](/photos/28/73/287352/nuc120ld2bn_sml.jpg)
NUC120LD2BN
Manufacturer Part Number
NUC120LD2BN
Description
IC MCU 32BIT 64KB FLASH 48LQFP
Manufacturer
Nuvoton Technology Corporation of America
Series
NuMicro™r
Specifications of NUC120LD2BN
Core Processor
ARM Cortex-M0
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, IrDA, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, LVD, POR, PS2, PWM, WDT
Number Of I /o
31
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 5.5 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
NUC120LD2BN
Manufacturer:
NuvoTon
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Company:
Part Number:
NUC120LD2BN
Manufacturer:
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Quantity:
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CRC SEQUENCE (Standard Format as well as Extended Format)
The frame check sequence is derived from a cyclic redundancy code best suited for frame with bit
counts less than 127 bits (BCH Code).
In order to carry out the CRC calculation, the polynomial to be divided is defined as the
polynomial, the coefficients of which are given by the de-stuffed bit stream consisting of START
OF FRAME, ARBITRATION FIELD, CONTROL FIELD, DATA FILED (if present) and for the 15
lowest coefficients, by 0. This polynomial is divided by the generator-polynomial:
The remainder of this polynomial division is the CRC SEQUENCE transmitted over the bus.
CRC DELIMITER (Standard Format as well as Extended Format)
The CRC SEQUENCE is followed by the CRC DELIMITER which consists of a single ‘recessive’
bit.
7
The ACK FILED is two bits long and contains the ACK SLOT and the ACK DELIMITER. In
the ACK FILED, the transmitting station sends two ‘recessive’ bits.
A RECEIVER which has received a valid message correctly, reports this to the
TRANSMITTER by sending a ‘dominant’ bit during the ACK SLOT (it sends ‘ACK’).
ACK FIELD (Standard Format as well as Extended Format)
NuMicro™ NUC100 Series Technical Reference Manual
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Figure 5-79 Format of CRC FIELD
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Publication Release Date: Oct 22, 2010
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Revision V1.06
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