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Operational specifications – Renesas M3A-HS60 User Manual

Page 46

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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"

)

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