Mitsubishi Motors DS5000TK User Manual
Page 40
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USER’S GUIDE
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Read Access:
May be read normally anytime.
Write Access:
Cannot be modified by the application software; can only be written via the
Bootstrap Loader.
MCON.2:
ECE2
“Enable Chip Enable 2”:
Used to enable or disable the CE2 signal for the Byte–wide bus data
memory. This bit should always be cleared to 0 in the DS5000, DS5000-32,
DS2250–8 and DS2250–32 versions.
Initialization:
Cleared to 0 only during a No V
LI
Power On Reset.
Read Access:
Read normally anytime.
Write Access:
Can be written normally at any time.
MCON.1:
PAA
“Partition Address Access”:
Used to protect the programming of the Partition Address select bits. PA3–0
cannot be written when PAA=0. PAA can be written only via the Timed Ac-
cess register.
Initialization:
PAA is cleared on any reset.
Read Access:
PAA may be read anytime.
Write Access:
The Timed Access register must be used to perform any type of write opera-
tion on the PAA bit.
MCON.0:
SL
“Security Lock”:
Indicates that the security lock is set when SL=1.
Initialization:
Cleared to a 0 on a no V
LI
power on reset.
Read Access:
Read normally any time.
Write Access:
Can only be modified by the Lock and Unlock commands of the Bootstrap
loader. This bit cannot be modified by the application software or by the
Bootstrap loader Write command.
DS5001 MCON REGISTER
Label: MCON
Register Address: 0C6H
PA3
PA2
PA1
PA0
RG1
PES
PM
SL
Bit Description:
MCON.7–4:
PA3–0
Partition Address. When PM=0, this address specifies the boundary
between program and data memory in a continuous space.
Initialization:
Unaffected by watchdog, external, or power–up resets. Set to 1111B on a
No V
LI
reset.
Read Access:
Can be read normally at any time.