STCR—Serial/Timer Control Register
Bit
7
—
Initial value
1
Read/Write
—
SYSCR—System Control Register
Bit
7
SSBY
Initial value
0
Read/Write
R/W
Software Standby
0 SLEEP instruction causes transition to sleep mode.
1 SLEEP instruction causes transition to software standby mode.
6
5
—
—
1
1
—
—
Multiprocessor Enable
0 Multiprocessor communication function is disabled.
1 Multiprocessor communication function is enabled.
6
5
STS2
STS1
STS0
0
0
R/W
R/W
R/W
NMI Edge
0 Falling edge of NMI is detected.
1 Rising edge of NMI is detected.
Standby Timer Select
0 0 0 Clock settling time = 8192 states
0 0 1 Clock settling time = 16384 states
0 1 0 Clock settling time = 32768 states
0 1 1 Clock settling time = 65536 states
1 – – Clock settling time = 131072 states
H'FFC3
4
3
2
—
—
MPE
1
1
0
—
—
R/W
Internal Clock Source Select
See TCR under TMR0 and TMR1.
H'FFC4
4
3
2
—
NMIEG
0
1
0
—
R/W
RAM Enable
0 On-chip RAM is disabled.
1 On-chip RAM is enabled.
302
TMR0/1
1
0
ICKS1
ICKS0
0
0
R/W
R/W
System Control
1
0
—
RAME
1
1
—
R/W