M306H7MG-XXXFP Datasheet, PDF (24/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
3. RESET
Processor mode register 1 (Note 1)
b7 b6 b5 b4 b3 b2 b1 b0
0000
00
Symbol
PM1
Address
000516
After reset
0X0010002
Bit symbol
Bit name
Function
RW
(b1-b0)
PM12
Reserved bit
Watchdog timer function
select bit
Must set to "0".
RW
0 : Watchdog timer interrupt
1 : Watchdog timer reset (Note 2)
RW
(b6-b3)
Reserved bit
Must set to "0".
RW
PM17
Wait bit (Note 3)
0 : No wait state
1 : With wait state (1 wait)
RW
Note 1: Write to this register after setting the PRC1 bit in the PRCR register to “1” (write enable).
Note 2: PM12 bit is set to “1” by writing a “1” in a program. (Writing a “0” has no effect.)
Note 3: When PM17 bit is set to “1” (with wait state), one wait state is inserted when accessing internal RAM or
internal ROM.
Figure 3.5 PM1 Register
Rev.2.10 Oct 25, 2006 Page 24 of 326
REJ03B0152-0210