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Z51F6412
Product Specification
PS030302-0212
P R E L I M I N A R Y
179
16. Configure option
16.1 Configure option Control Register
FUSE_CONF (Pseudo-Configure Data) : 2F5DH
7
6
5
4
3
2
1
0
BSIZE1
BSIZE0
SXINEN
XINENA
-
OCDSEL
LOCKB
LOCKF
R
R
R
R
R
R
R
R
Initial value : 00H
BSIZE
Boot Code size option
00
768B (1KB – 256B : 0x0FF ~ 0x3FF) (default)
01
1792B (2KB – 256B : 0x0FF ~ 0x7FF)
10
3840B (4KB – 256B : 0x0FF ~ 0xFFF)
11
7936B (8KB – 256B : 0x0FF ~ 0x1FFF)
SXINEN
External Sub Oscillator Enable Bit
0
Sub OSC disable (default)
1 Sub
OSC
enable
XINENA
External Main Oscillator Enable Bit
0
Main OSC disable (default)
1
Main OSC Enable
OCDSEL
Selects noise cancelling scheme of OCD pins.
0
OCD lines are outputs of 10ns noise canceller
1
OCD lines synchronized by INTRC clock
LOCKE
Boot Code LOCK bit
0 Boot
LOCK
Disable
1
Boot LOCK Enable (protect boot code from byte/page erase)
LOCKF
CODE memory LOCK bit
0 LOCK
Disable
1 LOCK
Enable
In OCD debug mode, user can change FUSE_CONF bits value temporarily except LOCKF for
debugging job.