Datasheet

Table Of Contents
Section 3 MCU Operating Modes
REJ09B0140-0900 Rev. 9.00 Page 65 of 846
Sep 16, 2010
H8S/2215 Group
Bit Bit Name Initial Value R/W Description
7 — 0 R/W Reserved
The write value should always be 0.
6 — 0 Reserved
This bit is always read as 0 and cannot be modified.
5
4
INTM1
INTM0
0
0
R/W
R/W
These bits select the control mode of the interrupt
controller. For details of the interrupt control modes,
see section 5.6, Interrupt Control Modes and Interrupt
Operation.
00: Interrupt control mode 0
01: Setting prohibited
10: Interrupt control mode 2
11: Setting prohibited
3 NMIEG 0 R/W NMI Edge Select
Selects the valid edge of the NMI interrupt input.
0: An interrupt is requested at the falling edge of NMI
input
1: An interrupt is requested at the rising edge of NMI
input
2 MRESE 0 R/W Manual reset Select
Enables or disables the MRES pin input.
0: The MRES pin input (manual reset) is disabled
1: The MRES pin input (manual reset) is enabled
The MRES input pin can be used.
1 — 0 Reserved
This bit is always read as 0 and cannot be modified.
0 RAME 1 R/W RAM Enable
Enables or disables the on-chip RAM. The RAME bit
is initialized when the reset status is released.
0: On-chip RAM is disabled
1: On-chip RAM is enabled