Fujitsu MB90390 Series, Hardware Manual, Page: 289 / 740

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CHAPTER 16 8/16-BIT PPG
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)
Note:
In 8-bit pre 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.
(R/W) (R/W)
(X) (X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
PRLLn
PRLHn
7 6 5 4 3 2 1 0
9 8
(R/W)
(X) (X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
(X)
(R/W)
Addre ss : ch.0 00 3 501
H
ch.1 00 3 50 3
H
Relo a d regi s ter H
Relo a d regi s ter L
ch.2 00 3 505
ch. 3 00 3 507
ch.4 00 3 509
ch.5 00 3 50B
ch.6 00 3 50D
ch.7 00 3 50F
ch. 8 00 3 511
ch.9 00 3 51 3
ch.A 00 3 515
ch.B 00 3 517
H
H
H
H
H
H
H
H
H
H
Addre ss : ch.0 00 3 500
H
ch.1 00 3 502
H
ch.2 00 3 504
ch. 3 00 3 506
ch.4 00 3 50 8
ch.5 00 3 50A
ch.6 00 3 50C
ch.7 00 3 50E
ch. 8 00 3 510
ch.9 00 3 512
ch.A 00 3 514
ch.B 00 3 516
H
H
H
H
H
H
H
H
H
H
n = 0, 1, ... , 9, A, B
15 14 1 3 12 11 10
b it
b it
Table 16.3-4 Register Function of the Reload Registers
Register name Function
PRLLn Holds the "L" side reload value.
PRLHn Holds the "H" side reload value.