Fujitsu MB90460 Series, Hardware Manual, Page: 391 / 739

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CHAPTER 15 MULTI-PULSE GENERATOR
15.4.1 Output Control Register (OPCR)
The Output Control Register (OPCR) is a register which enables the write timing
interrupt and flag, position detect interrupt and flag, sets the data transfer method, and
sets the control of the OPT5 to OPT0 and DTTI1 pins.
■
Output Control Upper Register (OPCUR)
Figure 15.4-2 Output Control Upper Register (OPCUR)
Addre ss b it 15 14 1 3 12 11 10 9 8 Initi a l v a l u e
0000 8 B
H
DTIE DTIF NR S L OP S 2 OP S 1 OP S 0 WTIF WTIE 00000000
B
R/W R/W R/W R/W R/W R/W R/W R/W
WTIE Write timin g interrupt enable bit
0 Di sab le interr u pt.
1 En ab le interr u pt.
WTIF
Write timin g interrupt reque s t fla g bit
Read Write
0 No v a lid detected. Cle a r thi s b it.
1 V a lid detected. No effect.
OP S 2 OP S 1 OP S 0 Function
0 0 0
D a t a tr a n s fer from OPDBR0 to OPDR a fter
OPDBR0 i s written b y s oftw a re.
0 0 1
D a t a tr a n s fer from OPDBR to OPDR i s triggered
b y the16- b it relo a d timer 0 u nderflow.
0 1 0
D a t a tr a n s fer from OPDBR to OPDR i s triggered
b y the po s ition detection inp u t.
0 1 1
D a t a tr a n s fer from OPDBR to OPDR i s triggered
b y the write s ign a l gener a ted b y the 16- b it relo a d
timer 0 u nderflow, the 16- b it timer i s s t a rted b y
the po s iton detection comp a ri s on circ u it.
1 0 0
D a t a tr a n s fer from OPDBR to OPDR i s triggered
b y the write s ign a l gener a ted either b y the 16- b it
relo a d timer 0 u nderflow, or b y the po s ition
detection inp u t.
1 0 1 One- s hot po s ition dectection or timer u nderflow.
1 1 0 One- s hot po s ition dectection.
1 1 1
One- s hot po s ition dectection a nd timer
u nderfow.
NR S L Noi s e filter enable bit
0 DTTI1 inp u t doe s not go thro u gh the noi s e filter.
1 DTTI1 inp u t goe s thro u gh the noi s e filter.
DTIF
DTTI1 interrupt reque s t fla g bit
Read Write
0 No v a lid detected. Cle a r thi s b it.
1 V a lid detected. No effect.
DTIE DTTI1 control enable bit
0 Di sab le control b y the DTTI1 inp u t.
1 En ab le control b y the DTTI1 inp u t.
X : Indetermin a te
R/W : Re a d ab le a nd writ ab le
: Initi a l v a l u e
— : Not us ed