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Renesas RL78/G13 Manual
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RL78/G13
Safety Function (Frequency Detection)
5.8.23
Starting Real-Time Clock
Figure 5.26
shows the flowchart for starti
ng the real-time clock.
R_RTC_S
tar
t()
Clear fixed-frequenc
y inter
r
upt req
uest
flag
RT
CI
F
b
i
t
0
Enable fixed-frequency
inte
rr
upts
RT
CM
K
b
i
t
0
Star
t
real-t
ime c
lock
RTCE bit
1
return
Figure 5.26
Starting Real-Time Clock
R01AN0956EJ01
00 Rev.
1.00
Page 54 of
70
Feb. 27, 2012
53
55
Table of Contents
Table of Contents
2
Specifications
4
Operation Check Conditions
5
Related Application Note
5
Description of the Hardware
6
Hardware Configuration Example
6
List of Pins to be Used
7
Description of the Software
8
Operation Outline
8
File Configuration
10
List of Option Byte Settings
11
List of Constants
12
List of Variables
13
List of Functions
14
Function Specifications
15
Flowcharts
24
Initialization Function
25
System Function
26
I/O Port Setup
27
CPU Clock Setup
28
TAU0 Setup
29
Real-Time Clock Setup
35
Interval Timer Setup
36
External Interrupt Input Setup
37
Main Processing
38
Starting INTP0 External Interrupt Processing
41
Starting Pulse Interval Measurement
42
Starting Channel 5 of TAU0
43
Stopping Channel 5 of TAU0
44
Getting Count Clock Change Request Flag
45
Getting Pulse Interval Measurement End Flag
46
Judging Pulse Interval Measurement Value
47
Getting Pulse Interval Measurement Value
48
Clearing Pulse Interval Measurement End Flag
49
Changing Count Clock
50
Changing HOCO Clock
51
Starting LED Blink
52
Stopping LED Blink
53
Starting Real-Time Clock
54
Stopping Real-Time Clock
55
Starting Real-Time Clock Fixed-Frequency Interrupt
56
Stopping Real-Time Clock Fixed-Frequency Interrupt
57
Clearing Count Clock Change Request Flag
58
Interval Timer Interrupt
59
Capture End Interrupt for Channel 5 of TAU0
60
INTP0 External Interrupt
61
RTC Fixed-Frequency Interrupt
62
Callback Function for RTC Fixed-Frequency Interrupts
63
Interval Timer Start
64
Stopping Interval Timer
65
Getting INTP0 External Interrupt Occurrence Flag
66
Clearing INTP0 External Interrupt Occurrence Flag
67
Getting Interval Timer Interrupt Occurrence Flag
68
Clearing Interval Timer Interrupt Occurrence Flag
69
Sample Code
70
Documents for Reference
70
Revision Record
71
General Precautions in the Handling of MPU/MCU Products
72
Other manuals for Renesas RL78/G13
User Manual
1092 pages
Operation
54 pages
Application Note
40 pages
Hardware Manual
13 pages
5
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Renesas RL78/G13 Specifications
General
Brand
Renesas
Model
RL78/G13
Category
Computer Hardware
Language
English
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