HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 94
HD6412340
Manufacturer Part Number
HD6412340
Description
H8S/2345 F-ZTAT Hardware Manual
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD6412340.pdf
(907 pages)
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3.2.3
SYSCR2 is an 8-bit readable/writable register that performs on-chip flash memory control.
SYSCR2 is initialized to H'00 by a reset and in hardware standby mode.
SYSCR2 can only be accessed in the F-ZTAT version. In other versions, this register cannot be
written to and will return an undefined value if read.
Bits 7 to 4—Reserved: Read-only bits, always read as 0.
Bit 3—Flash Memory Control Register Enable (FLSHE): Controls CPU access to the flash
memory control registers (FLMCR1, FLMCR2, EBR1, and EBR2). For details, see section 17,
ROM.
Bit 3
FLSHE
0
1
Bits 2 to 0—Reserved: Read-only bits, always read as 0.
74
Bit
Initial value :
R/W
System Control Register 2 (SYSCR2) (F-ZTAT Version Only)
Description
Flash control registers are not selected for addresses H'FFFFC8 to H'FFFFCB
Flash control registers are selected for addresses H'FFFFC8 to H'FFFFCB
:
:
—
—
7
0
—
—
6
0
—
—
5
0
—
—
4
0
FLSHE
R/W
3
0
—
—
2
0
—
—
1
0
(Initial value)
—
—
0
0
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