330
CHAPTER 15 8/16-BIT PPG TIMER
15.3.4 Reload Registers (PRLL0 to PRLL5, PRLH0 to PRLH5)
This section describes the configuration and functions of the reload registers (PRLL0
to PRLL5, PRLH0 to PRLH5).
■
Reload registers (PRLL0 to PRLL5, PRLH0 to PRLH5)
The bit configuration of the reload registers (PRLL0 to PRLL5, PRLH0 to PRLH5) is shown
below.
The reload registers (PRLL0 to PRLL5, PRLH0 to PRLH5) are 8-bit registers which each store a
reload value for the down counter (PCNT). The registers have the following functions.
•
Both registers can be read and written.
Note:
In 8-bit pre 8-bit PPG mode, it is recommended that PRLL and PRLH for channels 0/2/4
are set to the same value.
7 6 5 4
3
2
1
0
PRLL0 to PRLL5
D07
D06
D05
D04
D0
3
D02 D01 D00 Relo
a
d regi
s
ter "L"
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
Re
a
d/write
(X) (X) (X) (X) (X) (X) (X) (X) Initi
a
l v
a
l
u
e
15
14
1
3
12 11 10 9
8
PRLH0 to PRLH5
D15
D14
D1
3
D12 D11 D10 D09 D0
8
Relo
a
d regi
s
ter "H"
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
(R/W)
Re
a
d/write
(X) (X) (X) (X) (X) (X) (X) (X) Initi
a
l v
a
l
u
e
ch.0 00002E
H
ch.1 0000
3
0
H
ch.2 0000
3
2
H
ch.
3
0000
3
4
H
ch.4 0000
3
6
H
ch.5 0000
38
H
ch.0 00002F
H
ch.1 0000
3
1
H
ch.2 0000
33
H
ch.
3
0000
3
5
H
ch.4 0000
3
7
H
ch.5 0000
3
9
H
Register name
Function
PRLL
Stores the "L" side reload value
PRLH
Stores the "H" side reload value
Summary of Contents for MB90480 Series
Page 2: ......
Page 4: ......
Page 10: ...vi ...
Page 128: ...106 CHAPTER 4 RESET ...
Page 174: ...152 CHAPTER 6 LOW POWER CONSUMPTION MODE ...
Page 198: ...176 CHAPTER 7 MODE SETTING ...
Page 220: ...198 CHAPTER 9 TIMEBASE TIMER ...
Page 238: ...216 CHAPTER 11 WATCH TIMER ...
Page 280: ...258 CHAPTER 12 16 BIT INPUT OUTPUT TIMER ...
Page 406: ...384 CHAPTER 17 8 10 BIT A D CONVERTER ...
Page 478: ...456 CHAPTER 20 CHIP SELECTION FACILITY ...
Page 494: ...472 CHAPTER 21 ADDRESS MATCH DETECTION FUNCTION ...
Page 498: ...476 CHAPTER 22 ROM MIRROR FUNCTION SELECTION MODULE ...
Page 526: ...504 CHAPTER 23 2M 3M BIT FLASH MEMORY ...
Page 536: ...514 CHAPTER 24 EXAMPLES OF MB90F481B MB90F482B MB90F488B MB90F489B SERIAL PROGRAMMING ...
Page 570: ...548 CHAPTER 25 PWC TIMER ONLY MB90485 SERIES ...
Page 688: ......