31. Register List

Rev.1.00 Jan. 10, 2008 Page 1542 of 1658

REJ09B0261-0100

Table 31.4 States of the Registers in the Individual Operating Modes (3)
Module
Name Name Abbrev.
Power-on
Reset by
PRESET Pin/
WDT
Power-on
Reset by
H-UDI
Manual Reset
by
WDT/Multiple
Exception
Sleep/
Deep Sleep
by SLEEP
Instruction
Frequency control register 0 FRQCR0 H'0000 0000 Retained Retained Retained
Frequency control register 1 FRQCR1 H'0000 0000 Retained Retained Retained
CPG/
Power-
down
Frequency display register 1 FRQMR1 H'1xxx xxxx*1 Retained Retained Retained
Sleep control register SLPCR H'0000 0000 Retained Retained Retained
PLL control register PLLCR H'0000 0000 Retained Retained Retained
Standby control register 0 MSTPCR0 H'0000 0000 Retained Retained Retained
Standby control register 1 MSTPCR1 H'0000 0000 Retained Retained Retained
Standby display register MSTPMR H'00x0 0000*1Retained Retained Retained
WDT Watchdog timer stop time register WDTST H'0000 0000 Retained Retained Retained
Watchdog timer control/status
register
WDTCSR H'0000 0000 Retained Retained Retained
Watchdog timer base stop time
register
WDTBST H'0000 0000 Retained Retained Retained
Watchdog timer counter WDTCNT H'0000 0000 H'0000 0000 Retained Retained
Watchdog timer base counter WDTBCNT H'0000 0000 H'0000 0000 Retained Retained

Notes: 1. The state of this register de pends on the settings of mode pins MODE0 to MODE4,

MODE11, and MODE12 obtained on a power-on reset via the PRESET pin.

2. The state of this register depends on the setting of mode pins MODE11 and MODE12

obtained on a power-on reset via the PRESET pin.