M0516ZAN Nuvoton Technology Corporation of America, M0516ZAN Datasheet - Page 268

• Manufacturer Part Number: M0516ZAN
• Description: IC MCU 32BIT 64KB FLASH 33QFN
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro M051™r

Specifications of M0516ZAN

• 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: 24
• Program Memory Size: 64KB (64K 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: -

6.9.4
Watchdog Timer Control Register (WTCR)
R : read only, W : write only, R/W : both read and write
Note: All bits in this register are write-protected. To program it needs an open lock sequence, by sequentially writing “59h”,
“16h”, and “88h” to register REGWRPROT at address GCR_BA + 0x100
Register
WDT_BA = 0x4000_4000
WTCR
Register
WTCR
Bits
[31:11]
[10:8]
WDT Controller Registers Map
WTE
31
23
15
7
NuMicro M051
Offset
WDT_BA+00
Offset
WDT_BA+000
Descriptions
Reserved
WTIS
WTIE
30
22
14
6
Reserved
WTWKF
R/W
R/W
R/W
R/W
29
21
13
5
Reserved
Watchdog Timer Interval Select (write protection bits)
These three bits select the timeout interval for the Watchdog timer.
Description
Description
Watchdog Timer Control Register
™
WTIS
Watchdog Timer Control Register
000
Series Technical Reference Manual
WTWKE
28
20
12
4
Timeout Interval
- 268 -
Reserved
Reserved
2
Selection
4
* T
WDT
WTIF
27
19
11
3
Publication Release Date: Sep 14, 2010
(2
Interrupt Period
4
+ 1024) * T
WTRF
26
18
10
2
WDT
WTRE
WTIS
WTR Timeout Interval
(WDT_CLK=12 MHz)
25
17
9
1
1.33 us ~ 86.67 us
Revision V1.2
Reset Value
0x0000_0700
Reset Value
0x0000_0700
WTR
24
16
8
0