Switch And Led Functions - Renesas M3A-HS49 User Manual

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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.
No.
SW1 System power on/off switch
SW2 System reset input switch
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
SW4 DIP switch for CPU mode setting
SW5 NMI input switch
SW6 IRQ0 input switch
*
SW7 MRES input switch
*: By MRES (manual reset), each register of the on-chip peripheral module is not initialized though an internal state of
CPU is initialized.
Rev.1.0 Dec 15, 2006
REJ10J0917-0100
Figure3.2.5 Switch and LED Pin Assignment
Table3.2.5 Switches Mounted on M3A-HS49
Function Remarks
-
ref. section 2.6
PB0, PB16, PB17 and PB18 are pulled up.
ref. section 2.4
ref. Table3.2.6
ref. section 2.7
ref. section 2.7
ref. section 2.7
Operational Specifications
3.2.4 Switch and LED Functions
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