Figure 9.19 Conflict Between Ocr Write And Compare-Match (When Automatic Addition Function Is Not Used); Figure 9.20 Conflict Between Ocrar/Ocraf Write And Compare-Match (When Automatic Addition Function Is Used) - Renesas H8S/2111B Hardware Manual

φ
Address
Internal write
signal
FRC
OCR
Compare-match
signal
Figure 9.19 Conflict between OCR Write and Compare-Match
(When Automatic Addition Function is Not Used)
Internal write signal
OCRAR (OCRAF)
Compare-match signal
Figure 9.20 Conflict between OCRAR/OCRAF Write and Compare-Match
(When Automatic Addition Function is Used)
Write cycle of OCR
T T
1 2
OCR address
N
N
Write data
φ
OCRAR (OCRAF)
Address
address
Old data
Disabled
FRC
OCR
Automatic addition is not performed
because compare-match signals are disabled.
N + 1
M
Disabled
New data
N N+1
N
Rev. 1.00, 05/04, page 179 of 544