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Operational Specifications
3.2.4 Switch and LED Functions
Rev.1.0 Dec 15, 2006 3-19
REJ10J0917-0100
3
3.2.4 Switch and LED Functions
The M3A-HS49 includes seven switches and eight LEDs.
Figure3.2.5 shows the switch and LED pin assignment. Table3.2.5 lists switches mounted on M3A-HS49.
Figure3.2.5 Switch and LED Pin Assignment
Table3.2.5 Switches Mounted on M3A-HS49
No. Function Remarks
SW1 System power on/off switch -
SW2 System reset input switch ref. section 2.6
SW3 DIP switch for users
SW3-1 OFF : PB0=H, ON : PB0=L
SW3-2 OFF : PB16=H, ON : PB16=L
SW3-3 OFF : PB17=H, ON : PB17=L
SW3-4 OFF : PB18=H, ON : PB18=L
PB0, PB16, PB17 and PB18 are pulled up.
ref. section 2.4
SW4 DIP switch for CPU mode setting ref. Table3.2.6
SW5 NMI input switch ref. section 2.7
SW6 IRQ0 input switch ref. section 2.7
SW7 MRES
*
input switch ref. section 2.7
*: By MRES (manual reset), each register of the on-chip peripheral module is not initialized though an internal state of
CPU is initialized.