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HD6433644R Datasheet(PDF) 269 Page - Renesas Technology Corp

Part # HD6433644R
Description  8-Bit Single-Chip Microcomputer
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433644R Datasheet(HTML) 269 Page - Renesas Technology Corp

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Section 9 Timers
Rev. 6.00 Sep 12, 2006 page 249 of 526
REJ09B0326-0600
Bit 2
Output Compare Flag B (OCFB): Bit 2 is a status flag that indicates that the FRC value
has matched OCRB. This flag is set by hardware and cleared by software. It cannot be set by
software.
Bit 2: OCFB
Description
0
Clearing condition:
After reading OCFB = 1, cleared by writing 0 to OCFB
(initial value)
1
Setting condition:
Set when FRC matches OCRB
Bit 1
Timer Overflow Flag (OVF): Bit 1 is a status flag that indicates that FRC has overflowed
from H'FFFF to H'0000. This flag is set by hardware and cleared by software. It cannot be set by
software.
Bit 1: OVF
Description
0
Clearing condition:
After reading OVF = 1, cleared by writing 0 to OVF
(initial value)
1
Setting condition:
Set when the FRC value overflows from H'FFFF to H'0000
Bit 0
Counter Clear A (CCLRA): Bit 0 selects whether or not to clear FRC by compare match
A (when FRC matches OCRA).
Bit 0: CCLRA
Description
0
FRC is not cleared by compare match A
(initial value)
1
FRC is cleared by compare match A



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