NUC120LE3AN Nuvoton Technology Corporation of America, NUC120LE3AN Datasheet - Page 426
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NUC120LE3AN
Manufacturer Part Number
NUC120LE3AN
Description
IC MCU 32BIT 128KB FLASH 48LQFP
Manufacturer
Nuvoton Technology Corporation of America
Series
NuMicro™r
Specifications of NUC120LE3AN
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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
16K 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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Company:
Part Number:
NUC120LE3AN
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
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Part Number:
NUC120LE3AN
Manufacturer:
NUVOTON
Quantity:
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5.13.4.4 REMOTE FRAME
ACK SLOT:
All stations having received the matching CRC_SEQUENCE report this within the ACK SLOT by
super-scribing the ‘recessive’ bit of the TRANSMITTER by a ‘dominant’ bit
ACK DELIMITER:
The ACK DELIMITER is the second bit of the ACK FILED and has to be a ‘recessive’ bit. As a
consequence, the ACK SLOT is surrounded by two ‘recessive’ bits (CRC DELIMITER, ACK
DELIMITER).
8
A station acting as a RECEIVER for certain data can initiate the transmission of the respective
data by its source node by sending a REMOTE FRAME. There are also two kinds of formats,
Standard Format and Extended Format, are existed in the REMOTE FRAME. In both these
formats, it composed of six different bit fields: START OF FRAME, ARBITRATION FIELD,
CONTROL FILED, CRC FILED, ACK FIELD and END OF FRAME.
Contrary to DATA FRAMES, the RTR bit of REMOTE FRAME is ‘recessive’. There is no DATA
FILED, independent of the values of the DATA LENGTH CODE which may be signed any value
within the admissible range 0…8. The value is the DATA LENGTH CODE of the corresponding
DATA FRAME.
The polarity of the RTR bit indicated whether a transmitted frame is a DATA FRAME (RTR bit
‘dominant’) or a REMOTE FRAME (RTR bit ‘recessive’).
Each DATA FRAME and REMOTE FRAME is delimited by a flag sequence consisting of
seven ‘recessive’ bits.
END OF FRAME (Standard Format as well as Extended Format)
NuMicro™ NUC100 Series Technical Reference Manual
Figure 5-80 Format of ACK FIELD
- 426 -
Publication Release Date: Dec. 22, 2010
Revision V1.06
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