Chapter 12
Real Time Clock (RTC)
RTC Operation
XII - 17
12.3.2
Setup Example
Periodic Interrupt Setup Example
The following is an example to generate a periodic interrupt with a cycle of a minute with the RTC function. Set
the initial time to "01:01:00 (Thursday), April 01, 2010" in 24-hour display mode.
The setup procedure and the description of each step are shown below.
Step
Setting
Symbol
Description
1
RTC stops
RTCCTR
Set the CLKEN bit to "0".
2
Periodic interrupt disabled
RTCCIRQ
Set the CIRQMIEN bit to "0".
3
Display mode setting
RTCCTR
Set the HDMD bit to "0".
4
Clock data setting
-
Set the clock data to "01:01:00 (Thursday), April 01,
2010" using the following registers.
RTCYD
Set it to "0x10".
RTCMOD
Set it to "0x04".
RTCDD
Set it to "0x01".
RTCWD
Set it to "0x04".
RTCHD
Set it to "0x01".
RTCMID
Set it to "0x01".
RTCSD
Set it to "0x00".
5
Periodic interrupt enabled
RTCCIRQ
Set the CIRQMIEN bit to "1".
6
All maskable interrupts disabled
PSW *
Set the MIE bit to "0".
7
Interrupt level setting
PERI0ICR *
Set the PERI0LV1-0 bits to "00".
Clear the corresponding interrupt request bit of
PERI0DT register, if it may have already been set.
Refer to [3.1.5 Set up procedure for Interrupt control
register for peripheral function group]
8
Periodic Interrupt enabled
PERI0EN *
Set the PERI0EN4 bit to "1".
9
Maskable interrupts enabled
PSW *
Set the MIE bit to "1".
10
RTC starts
RTCCTR
Set the CLKEN bit to "1".
The RTC starts.
* For PSW, refer to [Chapter 2 CPU].
For PERI0ICR and PERI0EN, refer to [Chapter 3 Interrupts].
Содержание MN101L Series
Страница 1: ...Cover MICROCOMPUTER MN101L MN101LR05D 04D 03D 02D LSI User s Manual Pub No 21705 015E ...
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Страница 8: ......
Страница 10: ......
Страница 11: ...Contents Contents 0 ...
Страница 22: ... Contents 11 ...
Страница 23: ...I Chapter 1 Overview 1 ...
Страница 62: ...Chapter 1 Overview I 40 Cautions for Circuit Setup ...
Страница 63: ...II Chapter 2 CPU 2 ...
Страница 94: ...Chapter 2 CPU II 32 Reset ...
Страница 95: ...III Chapter 3 Interrupts 3 ...
Страница 143: ...IV Chapter 4 Clock Mode Voltage Control 4 ...
Страница 175: ...V Chapter 5 Watchdog Timer WDT 5 ...
Страница 180: ...Chapter 5 Watchdog Timer WDT V 6 Operation ...
Страница 181: ...VI Chapter 6 Power Supply Voltage Detection 6 ...
Страница 189: ...VII Chapter 7 I O Port 7 ...
Страница 248: ...Chapter 7 I O Port VII 60 Port 8 ...
Страница 249: ...VIII Chapter 8 8 bit Timer 8 ...
Страница 282: ...Chapter 8 8 bit Timer VIII 34 8 bit Timer Cascade Connection ...
Страница 283: ...IX Chapter 9 16 bit Timer 9 ...
Страница 346: ...Chapter 9 16 bit Timer IX 64 IGBT Output with Dead Time ...
Страница 347: ...X Chapter 10 General Purpose Time Base Free Running Timer 10 ...
Страница 361: ...XI Chapter 11 RTC Time Base Timer RTC TBT 11 ...
Страница 371: ...XII Chapter 12 Real Time Clock RTC 12 ...
Страница 389: ...XIII Chapter 13 Serial Interface 13 ...
Страница 458: ...Chapter 13 Serial Interface XIII 70 IIC Communication ...
Страница 459: ...XIV Chapter 14 DMA Controller 14 ...
Страница 472: ...Chapter 14 DMA Controller XIV 14 DMA Data Transfer ...
Страница 473: ...XV Chapter 15 Buzzer 15 ...
Страница 479: ...XVI Chapter 16 A D Converter ADC 16 ...
Страница 493: ...XVII Chapter 17 LCD 17 ...
Страница 530: ...Chapter 17 LCD XVII 38 LCD Display Examples ...
Страница 531: ...XVIII Chapter 18 ReRAM 18 ...
Страница 538: ...Chapter 18 ReRAM XVIII 8 Command Library ...
Страница 539: ...XIX Chapter 19 On Board Debugger 19 ...
Страница 542: ...Chapter 19 On Board Debugger XIX 4 List of on board debugging functions ...
Страница 543: ...XX Chapter 20 Appendix 20 ...
Страница 555: ...Chapter 20 Appendix Instruction map XX 13 ...