NUMICRO-SDK Nuvoton Technology Corporation of America, NUMICRO-SDK Datasheet - Page 340

• Manufacturer Part Number: NUMICRO-SDK
• Description: KIT EVAUATION NUC100/120/130/140
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r
• Type: MCUr

Specifications of NUMICRO-SDK

• Contents: Board, Cable, CD, Nu-Link
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NUC100, NUC120, NUC130, NUC140

RTC Time Tick Register (TTR)
Register
TTR
Bits
[31:4]
[3]
[2:0]
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Offset
RTC_BA+0x30
Descriptions
Reserved
TWKE
TTR
30
22
14
6
Reserved
R/W
R/C
Reserved
RTC Timer Wakeup CPU Function Enable Bit
If TWKE is set before CPU is in power-down mode, when a RTC Time Tick occurs,
CPU will be wakened up by RTC controller.
1 = Enable the Wakeup function that CPU can be waken up from power-down mode by
0 = Disable Wakeup CPU function by time tick.
Note: 1. Tick timer setting follows TTR[2:0] description.
Time Tick Register
The RTC time tick period for Periodic Time Tick Interrupt request.
Note: This register can be read back after the RTC register access enable bit ENF
(AER[16]) is active.
29
21
13
TTR[2:0]
0
1
2
3
4
5
6
7
5
Time Tick.
2. The CPU can also be wakeup by alarm match occur.
Description
RTC Time Tick Register
28
20
12
4
- 340 -
Reserved
Reserved
Reserved
Time tick (second)
1
1/2
1/4
1/8
1/16
1/32
1/64
1/128
TWKE
27
19
11
3
Publication Release Date: Dec. 22, 2010
26
18
10
2
TTR[2:0]
25
17
9
1
Revision V1.06
Reset Value
0x0000_0000
24
16
8
0