70
Bit 3—NMI Edge Select (NMIEG): Selects the valid edge of the NMI interrupt input.
Bit 3
NMIEG
Description
0
An interrupt is requested at the falling edge of NMI input
(Initial value)
1
An interrupt is requested at the rising edge of NMI input
Bit 2—Manual Reset Selection Bit (MRESE): Enables or disenables manual reset input. It is
possible to set the P74/TM02/
MRES
pin to the manual reset input (
MRES
).
Table 3-3 shows the relationship between the
MRES
pin power-on reset and manual reset.
Bit 2
MRESE
Description
0
Disenables manual reset.
Possible to use P74/TM02/
MRES
pin as P74/TM02 input pin.
(Initial value)
1
Enables manual reset.
Possible to use P74/TM02/
MRES
pin as
MRES
input pin.
Table 3-3
Relationship Between Power-On Reset and Manual Reset
Pin
RES
MRES
Reset Type
0
*
Power-on reset
(Initial state)
1
0
Manual reset
1
1
Operation state
*
: Don’t care
Bit 1—Reserved: This bit always read as 0 and cannot be modified.
Bit 0—RAM Enable (RAME): Enables or disables the on-chip RAM. The RAME bit is
initialized when the reset status is released. It is not initialized in software standby mode.
Bit 0
RAME
Description
0
On-chip RAM is disabled
1
On-chip RAM is enabled
(Initial value)
Note:
When the DTC is used, the RAME bit must be set to 1.
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...