M054ZAN Nuvoton Technology Corporation of America, M054ZAN Datasheet - Page 103

• Manufacturer Part Number: M054ZAN
• Description: IC MCU 32BIT 16KB FLASH 33QFN
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro M051™r

Specifications of M054ZAN

• 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: 16KB (16K 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: -

System Handler Priority Register 3 (SHPR3)
NuMicro M051
Register Offset
SHPR3
Bits
[31:30]
[23:22]
31
23
15
7
PRI_15
PRI_14
SCS_BA
0xD20
Descriptions
PRI_15
PRI_14
30
22
14
6
+
R/W
R/W
Priority of system handler 15 – SysTick
“0” denotes the highest priority & “3” denotes lowest priority
Priority of system handler 14 – PendSV
“0” denotes the highest priority & “3” denotes lowest priority
™
29
21
13
5
Series Technical Reference Manual
Description
System Handler Priority Register 3
28
20
12
4
- 103 -
Reserved
Reserved
27
19
11
3
Reserved
Reserved
Publication Release Date: Sept 14, 2010
26
18
10
2
25
17
9
1
Revision V1.2
Reset Value
0x00000000
24
16
8
0