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