D12320VF25V Datasheet, PDF (1034/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
SYSCR2—System Control Register 2
Bit
:
7
6
5
⎯
⎯
⎯
Initial value :
0
0
0
Read/Write :
⎯
⎯
⎯
H'FF42
Flash Memory
(Valid only in F-ZTAT versions)
4
3
2
⎯ FLSHE ⎯
0
0
0
⎯
R/W
⎯
1
0
⎯
⎯
0
0
⎯ ⎯ (R/W)
Flash Memory Control Register Enable
In the H8S/2319
and H8S/2319C,
this bit is reserved
and should be
written with 0.
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
1 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
Bit
:
7
⎯
Initial value :
0
Read/Write : ⎯
H'FF44
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯
⎯
⎯
⎯
0
0
0
0
0
0
0
⎯
R/W
⎯
⎯
⎯
⎯
⎯
Reserved
Only 0 should be written to these bits
Rev.7.00 Feb. 14, 2007 page 1000 of 1108
REJ09B0089-0700