Processor Mode - Renesas M16C Series User Manual

M30240 Group

1.2.2 Processor Mode

Figure 1.7 shows the processor mode registers 0 and 1.
Processor mode register 0 (Note )
b7 b6 b5 b4
0
Processor mode register 1 (Note)
b7 b6 b5 b4
Figure 1.7: Processor mode registers 0 and 1
Rev.1.00 Sep 24, 2003 Page 13 of 360
b3 b2 b1 b0
Symbol
0 0 0 0
PM0
Bit symbol
Reserved bit
Software reset bit
PM03
Nothing is assigned. These bits can neither be set nor reset. When read,
their contents are indeterminate.
Note : Set bit 1 of the protect register (address 000A
values to this register.
b3 b2 b1 b0 Symbol
PM1
0 0
Bit symbol
Reserved bit
Nothing is assigned.
These bits can neither be set nor reset. When read, their contents are
indeterminate.
Wait bit
PM17
Note : Set bit 1 of the protect register (address 000A
to this register.
Address When reset
0004 00 (Note)
16 16
Bit name
Must always be set to "0"
The device is reset when this bit is set
to "1". The value of this bit is "0" when
read.
) to "1" when writing new
16
Address When reset
0005 00XXXXX0
16 2
Bit name
Must always be set to "0"
0 : No wait state
1 : Wait state inserted
) to "1" when writing new values
16
Processor Mode
Function R W
Function
R W