M052LAN Nuvoton Technology Corporation of America, M052LAN Datasheet - Page 78

• Manufacturer Part Number: M052LAN
• Description: IC MCU 32BIT 8KB FLASH 48LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro M051™r

Specifications of M052LAN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: EBI/EMI, I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 40
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K 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: -

IRQ0 ~ IRQ31 Clear-Pending Control Register （NVIC_ICPR）
Register
NVIC_ICPR
Bits
[31:0]
31
23
15
7
NuMicro M051
Offset
SCS_BA+280 R/W
Descriptions
CLRPEND
30
22
14
6
R/W
Writing 1 to a bit un-pends the associated interrupt under software control. Each bit
represents an interrupt number from IRQ0 ~ IRQ31 (Vector number from 16 ~ 47).
Writing 0 has no effect.
The register reads back with the current pending state.
29
21
13
5
™
Description
IRQ0 ~ IRQ31 Clear-Pending Control Register
Series Technical Reference Manual
CLRPEND [31:24]
CLRPEND [23:16]
28
20
12
CLRPEND [15:8]
4
CLRPEND [7:0]
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27
19
11
3
Publication Release Date: Sep 14, 2010
26
18
10
2
25
17
9
1
Revision V1.2
Reset Value
0x0000_0000
24
16
8
0