p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 277
p2125vps20
Manufacturer Part Number
p2125vps20
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.P2125VPS20.pdf
(700 pages)
- Current page: 277 of 700
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11.7.3
If a compare-match occurs during the state after an OCRA or OCRB write cycle, the write takes
priority and the compare-match signal is disabled. Figure 11.19 shows the timing for this type of
conflict.
If automatic addition of OCRAR and OCRAF to OCRA is selected, and a compare-match occurs
in the cycle following the OCRA, OCRAR, and OCRAF write cycle, the OCRA, OCRAR and
OCRAF write takes priority and the compare-match signal is disabled. Consequently, the result of
the automatic addition is not written to OCRA. Figure 11.20 shows the timing for this type of
conflict.
Conflict between OCR Write and Compare-Match
Figure 11.19 Conflict between OCR Write and Compare-Match
φ
Address
Internal write
signal
FRC
OCR
Compare-match
signal
(When Automatic Addition Function is Not Used)
Write cycle of OCR
T 1
OCR address
T 2
N
N
Section 11 16-Bit Free-Running Timer (FRT)
Write data
Rev. 1.00 Sep. 21, 2006 Page 239 of 658
M
N + 1
Disabled
REJ09B0310-0100
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