HD6432351 Datasheet, PDF (868/989 Pages) Renesas Technology Corp – The H8S/2000 CPU has an internal 32-bit architecture, is provided with sixteen 16-bit general registers and a concise

SYSCR—System Control Register
H'FF39
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
—
MCU
1
0
— RAME
0
1
R/W R/W
RAM Enable
0 On-chip RAM disabled
1 On-chip RAM enabled
Reserved
Only 0 should be written to this bit
NMI Input Edge Select
0 Falling edge
1 Rising edge
Interrupt Control Mode Selection
0 0 Interrupt control mode 0
1 Setting prohibited
1 0 Interrupt control mode 2
1 Setting prohibited
Reserved
Only 0 should be written to this bit
848