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3
Table3.2.4 lists the functions of the switch SW4.
: Initial Setting
No.
*
SW4-1
SDRAM_SZ
SW4-2
MD_CLK2
SW4-3
Reserved
SW4-4
Reserved
SW4-5
FLASH _WP#
*
When using the J6 connector, make sure the SDRAM bus width is set to 16-bit access (SW4-1 OFF).
Table3.2.5 lists the functions of the LEDs mounted in M3A-HS60.
No.
Color
LED1
Red
LED2
Green
LED3
Green
LED4
Green
LED5
Green
LED6
Green
LED7
Green
LED8
Green
Rev.1.00 June 1,2005
REJ11J0002-0100Z
Table3.2.4 Functions of the Switch SW4
Setting
OFF
SDRAM_SZ=H (32-bit access)
ON
SDRAM_SZ=L (16-bit access)
OFF
MD_CLK2 pin state "H" (Disable setting)
ON
MD_CLK2 pin state "L" (clock mode 2)
OFF
Disable setting
ON
This setting should always be "ON"
OFF
Disable setting
ON
This setting should always be "ON"
OFF
Releases write protect for the flash memory(WP0# pin state "H"）
ON
Write protects the flash memory(WP0# pin state "L")
Table3.2.5 Functions of the LEDs Mounted in M3A-HS60
Power-on LED (LED1 lights when 3.3 V power is supplied)
Open to the user (LED2 lights when PE1 outputs
Open to the user (LED3 lights when PE2 outputs
Open to the user (LED4 lights when PE8 outputs
Open to the user (LED5 lights when PE10 outputs
Open to the user (LED6 lights when PE11 outputs
Open to the user (LED7 lights when PE14 outputs
Open to the user (LED8 lights when PE15 outputs
Operational Specifications
3.2.2 Switch and LED Functions
Function
Functions/Remarks
L
"
"
)
L
"
"
)
"L"
)
"L"
)
"L"
)
"L"
)
"L"
)
Sets SDRAM bus width
Sets clock mode
Reserved
(Disable setting)
3-16
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