Program 2 Area Control Register (Prg2C) - Renesas M16C/64C User Manual

M16C/64C Group
10.2.3

Program 2 Area Control Register (PRG2C)

Program 2 Area Control Register
b7 b6 b5 b4 b3 b2 b1
0
Set the PRC6 bit in the PRCR register to 1 (write enabled) before rewriting this register.
PRG2C0 (Program ROM 2 disable bit) (b0)
This bit is used to select the function of addresses 10000h to 13FFFh. Table 10.7 lists Program ROM 2
(Addresses 10000h to 13FFFh).
Table 10.7 Program ROM 2 (Addresses 10000h to 13FFFh)
PRG2C0 Bit in PRG2C Register
Processor Mode
Program ROM 2 includes the on-chip debugger monitor area and user boot code area. Refer to 30.7.1
"User Boot Function" for details.
R01UH0092EJ0110 Rev.1.10
Jul 31, 2012
b0
Symbol
PRG2C
Bit Symbol Bit Name
PRG2C0 Program ROM 2 disable bit
(b1) Reserved bit
—
No register bits. If necessary, set to 0. The read value is undefined.
(b7-b2)
Single-chip mode
Memory expansion mode
Microprocessor mode
Address
0010h
0 : Enable program ROM 2
1 : Disable program ROM 2
Set to 0.
0
Program ROM 2
Program ROM 2
Reserved area
10. Processor Mode
Reset Value
XXXX XX00b
Function
1
Reserved area
External area
External area
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RW
RW
RW
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