Fujitsu F2MC-8L F202RA, Hardware Manual

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359
CHAPTER 17 FLASH MEMORY
17.2 Flash Memory Control Status Register (FMCS)
The flash memory control status register (FMCS), together with the flash memory
interface circuit, is used to write data to and erase data from the flash memory.
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Flash Memory Control Status Register (FMCS)
Figure 17.2-1 Flash Memory Control Status Register (FMCS)
Addre ss
0079
H
b it7
INTE
R/W
b it6
RDYINT
R/W
b it5
WE
R/W
b it4
RDY
R
b it 3 b it2 b it1 b it0 Initi a l v a l u e
000X----
B
WE
RDY
0
1
RDYINT
0
1
0
1
Un us ed b it
Re a ding / Writing h as no effect.
Write en ab le b it
Di sab le s d a t a to b e written into/er as ed from fl as h memory.
En ab le s d a t a to b e written into/er as ed from fl as h memory.
INTE
0
1
C aus ing a n interr u pt to the CPU to b e gener a ted b it
En ab le s a n interr u pt when d a t a writing/er as ing i s completed.
Di sab le s a n interr u pt when d a t a writing/er as ing i s completed.
Fl as h memory oper a tion s t a te indic a tion b it
D a t a i s b eing written/er as ed.
D a t a writing/er as ing h as b een completed.
(An interr u pt re qu e s t i s gener a ted.)
Re a DY b it
(for en ab ling d a t a to b e written into/er as ed from fl as h memory)
D a t a i s b eing written or er as ed.
D a t a writing/er as ing h as b een completed.
( Subs e qu ent d a t a c a n b e written/er as ed.)
t
IN S T
: In s tr u ction cycle
R/W : Re a d ab le/Writ ab le
R : Re a d only
: Initi a l v a l u e