Switch And Led Functions - Renesas M3A-HS85 User Manual

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3.2.5 Switch and LED Functions

The M3A-HS85 includes six switches and seven LEDs.
Table 3.2.5 lists switches mounted on M3A-HS85.
No.
SW1 System power on/off switch
SW2 System reset input switch
SW3 DIP switch for user (4-pole)
SW3-1 OFF : PE0="H" ON : PE0="L"
SW3-2 OFF : PE1="H" ON : PE1="L"
SW3-3 OFF : PE2="H" ON : PE2="L"
SW3-4 OFF : PE3="H" ON : PE3="L"
SW4 System setup DIP switch (4-pole)
SW5 NMI input switch
SW6 IRQ1 input switch
Table 3.2.6 lists the functions of switch SW4. The operation mode of SH7285 is set by the combination of the pins
FWE, MD0, and MD1. Table 3.2.7 lists the SH7285 operating mode setting.
FWE pin is multiplexed with the ASEBRK
to " OFF " .
No. Setting
SW4-1 OFF
FWE
ON
SW4-2 OFF
MD1 ON
SW4-3 OFF
MD0
ON
SW4-4 OFF
TP
ON
: Initial Setting
Rev.1.04 2008.7.10
REJ10J1564-0104
Table 3.2.5 Switches Mounted on M3A-HS85
Function
_______________ ___________________
/ASEBRKAK
Table 3.2.6 Functions of Switch SW4
FWE="H" (Releasing the writing/erasing protects of on-chip flash memory)
FWE="L" (Setting the writing erasing protects of on-chip flash memory)
MD1 pin state "H"
MD1 pin state "L"
MD0 pin state "H"
MD0 pin state "L"
H1="H" It is connected to a test hole (H1). You can use it freely like connecting it to the
input pin of SH7285 via H1.
H1="L"
-
See section 2.9 for details.
PE0, PE1, PE2, and PE3 are pulled up.
See section 2.5 on chapter 2 for details.
See Table 3.2.6 for the functions
See section 2.10 for details.
See section 2.10 for details.
signal. When E10A-USB is used, SW4-1(FWE) must be set
Function
Operational Specifications
3.2.5 Switch and LED Functions
Remarks
Operating mode
setting
(See Table 3.2.7)
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