HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 1163

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

SYSCR—System Control Register
Bit
Initial value
Read/Write
:
:
:
Reserved
Only 0 should be written to this bit
R/W
—
7
0
—
—
6
0
Interrupt Control Mode Selection
INTM1
0
1
R/W
5
0
0
1
0
1
INTM0
NMI Input Edge Select
Interrupt control mode 0
Setting prohibited
Interrupt control mode 2
Setting prohibited
R/W
0
1
4
0
Falling edge
Rising edge
LWR Output Disable
Rev.6.00 Sep. 27, 2007 Page 1133 of 1268
H'FF39
0
1
NMIEG
R/W
3
0
PF
PF
does not function as LWR output pin
IRQ Port Switching Select
Note: IRQ
3
3
0
1
is designated as LWR output pin
is designated as I/O port, and
LWROD
Appendix B Internal I/O Registers
RAM Enable
R/W
IRQ
from PA
IRQ
from P5
performed from only one of
the ports.
2
0
0
1
4
4
4
to IRQ
to IRQ
On-chip RAM disabled
On-chip RAM enabled
to IRQ
0
IRQPAS
4
to P5
to PA
R/W
1
0
7
7
7
can be input
can be input
input is always
3
7
REJ09B0220-0600
RAME
R/W
0
1
MCU