M054ZAN Nuvoton Technology Corporation of America, M054ZAN Datasheet - Page 98

• 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: -

Interrupt Control State Register (ICSR)
Register
ICSR
ISRPREEMP
Bits
[31]
[28]
[27]
[26]
[25]
NMIPENDS
ET
31
23
15
T
7
NuMicro M051
Offset
SCS_BA
0xD04
R/W
R/W
R/W
W
R/W
W
ISRPENDIN
VECTPENDING[3:0]
30
22
14
G
6
Reserved
Descriptions
NMIPENDSET
PENDSVSET
PENDSVCLR
PENDSTSET
PENDSTCLR
+
Reserved
R/W
R/W
29
21
13
5
™
Description
Interrupt Control State Register
Series Technical Reference Manual
PENDSVSE
Setting this bit will activate an NMI. Since NMI is the highest priority
exception, it will activate as soon as it is registered. Reads back with
current state (1 if Pending, 0 if not).
Set a pending PendSV interrupt. This is normally used to request a
context switch. Reads back with current state (1 if Pending, 0 if not).
Write 1 to clear a pending PendSV interrupt.
Set a pending SysTick. Reads back with current state (1 if Pending, 0
if not).
Write 1 to clear a pending SysTick.
VECTACTIVE[7:0]
28
20
12
T
4
- 98 -
PENDSVCL
27
19
11
R
3
Publication Release Date: Sep 14, 2010
VECTPENDING[8:4]
PENDSTSE
Reserved
26
18
10
T
2
PENDSTCL
25
17
R
9
1
Revision V1.2
VECTACTIV
Reset Value
0x00000000
Reserved
E[8]
24
16
8
0