M052ZAN Nuvoton Technology Corporation of America, M052ZAN Datasheet - Page 90

• Manufacturer Part Number: M052ZAN
• Description: IC MCU 32BIT 8KB FLASH 33QFN
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro M051™r

Specifications of M052ZAN

• Core Processor: ARM Cortex-M0
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 24
• 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 5x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 33-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Interrupt Source Identity Register (IRQn_SRC)
Register
Address
INT_BA+0x00
INT_BA+0x04
INT_BA+0x08
INT_BA+0x0C
IRQn_SRC
31
23
15
7
NuMicro M051
Offset
INT_BA+0x00
……..
INT_BA+0x7C
INT-Num
0
1
2
3
30
22
14
6
Reserved
R/W
R
Bits
[2:0]
[2:0]
[2:0]
[2:0]
29
21
13
5
™
Description
MCU IRQ0 (BOD) interrupt source identity
：
MCU IRQ31 (Reserved) interrupt source identity
Descriptions
Bit2 = 0
Bit1 = 0
Bit0 : BOD_INT
Bit2 = 0
Bit1 = 0
Bit0 : WDT_INT
Bit2 = 0
Bit1 = 0
Bit0: EINT0 – external interrupt 0 from P3.2
Bit2 = 0
Bit1 = 0
Series Technical Reference Manual
28
20
12
4
- 90 -
Reserved
Reserved
Reserved
INT_SRC[3]
27
19
11
3
Publication Release Date: Sep 14, 2010
26
18
10
2
INT_SRC[2:0]
25
17
9
1
Reset Value
0xXXXX_XXXX
Revision V1.2
24
16
8
0