Switch And Led Functions - Renesas Renasas Single-Chip Microcomputer SH7086 User Manual

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3.2.3 Switch and LED Functions

The M3A-HS86 includes six switches and nine LEDs. The MRES switch can be mounted as the option. However,
_____________
MRES pin is multiplexed with ASEBRKAK
connectors (J1, J2) are used. Figure3.2.4 shows the switch and LED pin layout on M3A-HS86 board. Table3.2.3
lists switches mounted on M3A-HS86.
<Top View of the Component Side >
No.
SW1 System power on/off switch
SW2 System reset input switch
SW3 DIP switch open to the user (4-pole)
SW3-1 OFF : PB6=H, ON : PB6=L
SW3-2 OFF : PB7=H, ON : PB7=L
SW3-3 OFF : PB8=H, ON : PB8=L
SW3-4 OFF : PB9=H, ON : PB9=L
SW4 System setup DIP switch (4-pole)
SW5 NMI input switch
SW6 IRQ1 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 Feb 6, 2007
REJ10J0916-0100
_____________________ ________________
/ASEBRK
PE16
LED6
PE17
LED7
PE18
LED8
RESET
ON
SW3
SW2
1 2 3 4
Figure3.2.4 Switch and LED Pin Assignment on M3A-HS86 Board
Table3.2.3 Switches Mounted on M3A-HS86
Function
3.2.3 Switch and LED Functions
pin, so do not mount the switch MRES when H-UDI
ON
SW1
LED1
SW4
FLWP
MD0
MD1
FWE
SW5 SW7 SW6
MRES IRQ1
NMI
-
See section 2.8 for details.
PB6, PB7, PB8 and PB9 are pulled up.
See section 2.5 on chapter 2 for details.
See Table3.2.4 for the functions
See section 2.9 of chapter 2 for details.
See section 2.9 of chapter 2 for details.
Not mounted.
Operational Specifications
OFF
Remarks
3-20