Datasheet
Appendix B Internal I/O Registers 
Rev.7.00 Feb. 14, 2007  page 1000 of 1108 
REJ09B0089-0700 
SYSCR2—System Control Register 2  H'FF42  Flash Memory 
  (Valid only in F-ZTAT versions) 
7
⎯
0
⎯
6
⎯
0
⎯
5
⎯
0
⎯
4
⎯
0
⎯
3
FLSHE
0
R/W
0
⎯
0
⎯ (R/W)
2
⎯
0
⎯
1
⎯
0
⎯
Bit
Initial value
Read/Write
:
:
:
0
1
Flash Memory Control Register Enable
In the H8S/2319
and H8S/2319C, 
this bit is reserved 
and should be 
written with 0.
H8S/2319 F-ZTAT, H8S/2318 F-ZTAT, H8S/2317 F-ZTAT, 
H8S/2315 F-ZTAT, and H8S/2314 F-ZTAT
• Flash control registers are not selected for addresses 
 H'FFFFC8 to H'FFFFCB
H8S/2319C F-ZTAT
• Flash control registers are not selected for addresses 
 H'FFFFC4 to H'FFFFCF
H8S/2319 F-ZTAT, H8S/2318 F-ZTAT, H8S/2317 F-ZTAT, 
H8S/2315 F-ZTAT, and H8S/2314 F-ZTAT
• Flash control registers are selected for addresses 
 H'FFFFC8 to H'FFFFCB
H8S/2319C F-ZTAT
• Flash control registers are selected for addresses 
 H'FFFFC4 to H'FFFFCF
Reserved Register  H'FF44 
7
⎯
0
⎯
6
⎯
0
⎯
5
⎯
0
R/W
4
⎯
0
⎯
3
⎯
0
⎯
0
⎯
 0
⎯
2
⎯
 0
⎯
1
⎯
 0
⎯
Reserved
Only 0 should be written to these bits
Bit
Initial value
Read/Write
:
:
:










