NUC120LE3AN Nuvoton Technology Corporation of America, NUC120LE3AN Datasheet - Page 182
![IC MCU 32BIT 128KB FLASH 48LQFP](/photos/28/73/287353/nuc120le3an_sml.jpg)
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
NUC120LE3AN
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
Part Number:
NUC120LE3AN
Manufacturer:
NUVOTON
Quantity:
20 000
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MCU Interrupt Request Source Register (MCU_IRQ)
Register
MCU_IRQ
Bits
[31:0]
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Offset
INT_BA+0x84
Descriptions
MCU_IRQ
30
22
14
6
R/W
R/W
MCU IRQ Source Register
The MCU_IRQ collects all the interrupts from the peripherals and generates the
synchronous interrupt to Cortex-M0. There are two modes to generate interrupt to
Cortex-M0, the normal mode and test mode.
The MCU_IRQ collects all interrupts from each peripheral and synchronizes them then
interrupts the Cortex-M0.
When the MCU_IRQ[n] is 0: Set MCU_IRQ[n] 1 will generate an interrupt to Cortex_M0
NVIC[n].
When the MCU_IRQ[n] is 1 (mean an interrupt is assert), set 1 to the MCU_bit[n] will
clear the interrupt and set MCU_IRQ[n] 0 : no any effect
29
21
13
5
Description
MCU Interrupt Request Source Register
28
MCU_IRQ[31:24]
20
MCU_IRQ[23:16]
12
4
MCU_IRQ[15:8]
MCU_IRQ[7:0]
- 182 -
27
19
11
3
Publication Release Date: Dec. 22, 2010
26
18
10
2
25
17
9
1
Revision V1.06
Reset Value
0x0000_0000
24
16
8
0
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