HD6432345 Datasheet, PDF (806/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

SYSCR—System Control Register
H'FF39
MCU
Bit
:
7
—
Initial value :
0
Read/Write : R/W
6
5
4
3
2
— INTM1 INTM0 NMIEG —
0
0
0
0
0
R/W R/W R/W R/W R/W
1
0
— RAME
0
1
R/W R/W
Reserved
Only 0 should be written
to this bit
RAM Enable
0 On-chip RAM disabled
1 On-chip RAM enabled
NMI Input Edge Select
0 Falling edge
1 Rising edge
Interrupt Control Mode Selection
0 0 Interrupt control mode 0
1—
1 0 Interrupt control mode 2
1—
Reserved
Only 0 should be written to this bit
797