Register - Fujitsu MB91460 SERIES FR60 User Manual

4. Register

4.1 Flash Security Control Register
■ FSCR0: Address 7100h (Access: Byte (write), Word (read))
31 30
CRC31/ CRC30/
S7 S6
1 1
X X
R/W R/W
23 22
CRC23 CRC22
1 1
X X
R R
15 14
CRC15 CRC14
1 1
X X
R R
7 6
CRC7 CRC6
1 1
X X
R R
(See "Meaning of Bit Attribute Symbols (Page
• Bit31-24: Sequence activation
S7-S0
0xA5 -> 0x5A
0xF0 -> 0X0F
Continuously writing
sequence immediately after writing
written followed by the one other than
cannot be started even if
Continuously writing
immediately after writing
followed by the one other than
cannot be started even if
29 28
CRC29/ CRC28/
S5 S4
1 1
X X
R/W R/W
21 20
CRC21 CRC20
1 1
X X
R R
13 12
CRC13 CRC12
1 1
X X
R R
5 4
CRC5 CRC4
1 1
X X
R R
Start of a Flash Security Vector Re-Fetch Sequence (write only)
Start of a Flash Memory CRC32 Checksum Sequence (write only)
A5 , 5A in the FSCR0[31:24] register will start a Flash Security Vector Re-fetch
" " " "
H H
5A . There is no time restrictions between
" "
H
5A
"
H
5A is written.
" "
H
F0 , 0F in the FSCR0[31:24] register will start a CRC32 checksum sequence
" " " "
H H
0F . There is no time restrictions between
" "
H
0F , you should write
" "
H
0F is written.
" "
H
27 26
CRC27/ CRC26/ CRC25/
S3 S2
1 1
X X
R/W R/W
19 18
CRC19 CRC18
1 1
X X
R R
11 10
CRC11 CRC10
1 1
X X
R R
3 2
CRC3 CRC2
1 1
X X
R R
No.10)" for details of the attributes.)
Function
, you should write A5
" "
F0 again. If not, the CRC checksum sequence
" "
H
Chapter 55 Flash Security
25 24
CRC24/
S1 S0
Initial value (
1 1
X X
R/W R/W
17 16
CRC17 CRC16
Initial value (
1 1
X X
R R
9 8
CRC9 CRC8
Initial value (
1 1
X X
R R
1 0
CRC1 CRC0
Initial value (
1 1
X X
R R
A5 and
" " "
H
again. If not, the Re-Fetch sequence
"
H
F0 and 0F , but if
" " " "
H H
4.Register
bit
INIT pin input,
)
watchdog reset
Initial value
(Software reset)
Attribute
bit
INIT pin input,
)
watchdog reset
Initial value
(Software reset)
Attribute
bit
INIT pin input,
)
watchdog reset
Initial value
(Software reset)
Attribute
bit
INIT pin input,
)
watchdog reset
Initial value
(Software reset)
Attribute
5A , but if A5 is
" " "
H H
F0 is written
" "
H
1013