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16.3.4
Reload Register (PRLL/PRLH)
The reload registers (PRLL and PRLH) are 8-bit registers that store reload values for the
PCNT down counters. The PRLL and PRLH registers are readable and writable.
■ Reload Register (PRLL/PRLH)
Reload register H
Address: ch.0 003501
ch.1 003503
ch.2 003505
ch.3 003507
ch.4 003509
ch.5 00350B
ch.6 00350D
ch.7 00350F
ch.8 003511
ch.9 003513
ch.A 003515
ch.B 003517
Reload register L
Address: ch.0 003500
ch.1 003502
ch.2 003504
ch.3 003506
ch.4 003508
ch.5 00350A
ch.6 00350C
ch.7 00350E
ch.8 003510
ch.9 003512
ch.A 003514
ch.B 003516
Table 16.3-4 Register Function of the Reload Registers
Register name
PRLLn
PRLHn
Note:
In 8-bit prescaler + 8-bit PPG mode, different values in PRLL and PRLH of Channel 0 may cause the
PPG waveform of ch.1 to vary in each cycle. Write the same value to PRLL and PRLH of ch.0.
H
H
H
H
15
14
bit
H
H
H
H
(R/W)
(R/W)
H
H
(X)
(X)
H
H
H
H
bit
7
6
H
H
H
H
(R/W)
(R/W)
H
(X)
(X)
H
H
H
H
H
Holds the "L" side reload value.
Holds the "H" side reload value.
13
12
11
10
(R/W)
(R/W)
(R/W)
(R/W)
(X)
(X)
(X)
(X)
5
4
3
2
(R/W)
(R/W)
(R/W)
(R/W)
(X)
(X)
(X)
(X)
Function
CHAPTER 16 8/16-BIT PPG
9
8
PRLHn
(R/W)
(R/W)
(X)
(X)
1
0
PRLLn
(R/W)
(R/W)
(X)
(X)
n = 0, 1, ... , 9, A, B
261
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