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Operational Specifications
3.2.3 Switch and LED Functions
Rev.1.0 Feb 6, 2007 3-21
REJ10J0916-0100
3
Table3.2.4 lists functions of switch SW4. SH7086 operating mode is determined by the combination of the MD0,
MD1 and FWE pins. Table3.2.5 lists the selection of SH7086 operating modes.
Table3.2.4 Functions of Switch SW4
No. Setting Function
OFF FWE=H (Releasing the writing/erasing protects of on-chip flash memory) SW4-1
FWE
ON FWE=L (Setting the writing erasing protects of on-chip flash memory)
OFF MD1 pin state “H” SW4-2
MD1
ON MD1 pin state “L”
OFF MD0 pin state “H” SW4-3
MD0
ON MD0 pin state “L”
MCU operating
mode setting
(See.
Table3.2.5
)
OFF Releasing the write protect in the on-chip flash memory (WP#pin is “H”) SW4-4
FLASH Lock
ON Setting the write protect in the on-chip flash memory (WP#pin is “L”)
: Initial Setting
Table3.2.5 Selection of SH7086 Operating Mode
SH7086 Operating Mode
SW4-1
(FWE)
SW4-2
(MD1)
SW4-3
(MD0)
Operating Mode Mode Name
ON ON ON Mode0
MCU extension mode0
(On-chip ROM not active, CSO space:16bit bus)
ON ON OFF Mode1
MCU extension mode1
(On-chip ROM not active, CSO space:32bit bus))
ON OFF ON Mode2 MCU extension mode2 (On-chip ROM active)
ON OFF OFF Mode3 Single chip mode (On-chip ROM active)
OFF ON ON Mode4 Boot mode (On-chip ROM active)
OFF ON OFF Mode5 User boot mode (On-chip ROM active)
OFF OFF ON Mode6 User programming mode (On-chip ROM active)
OFF OFF OFF Mode7 User programming mode (On-chip ROM active)
: Initial Setting
Table3.2.6 lists functions of LEDs mounted in M3A-HS86.
Table3.2.6 Functions of LEDs mounted in M3A-HS86
No. Color
Functions/Remarks
LED1 Blue Power-on LED (LED1 lights when power is supplied)
LED2 Green Open to user (LED2 lights when PE1 outputs “L”)
LED3 Green Open to user (LED3 lights when PE2 outputs “L”)
LED4 Green Open to user (LED4 lights when PE7 outputs “L”)
LED5 Green Open to user (LED5 lights when PE14 outputs “L”)
LED6 Green Open to user (LED6 lights when PE16 outputs “L”)
LED7 Green Open to user (LED7 lights when PE17 outputs “L”)
LED8 Green Open to user (LED8 lights when PE18 outputs “L”)
Red Interrupt confirmation (LED9 lights red when pushing NMI switch (SW5)).
LED9
Yellow green Interrupt confirmation (LED9 lights yellow green when pushing IRQ1 switch (SW6)).