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.
Summary of Contents for M3A-HS49
Page 7: ...Chapter 1Overview Chapter 1 Overview 1 1...
Page 19: ...2 1 Chapter2Functional Overview Chapter2 Functional Overview...
Page 29: ...3 1 Chapter3Operational Specifications Chapter3 Operational Specifications...
Page 51: ...Appendix M3A HS49 SCHEMATICS A 1...
Page 52: ...This is a blank page A 2...
Page 58: ...This is a blank page...