Epson S1V30120, Руководство пользователя

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3. Detailed Description of Functions
S1V30333/300/120 Evaluation Board EPSON 9
User Guide (Rev. 1.03)
3.5 DIP Switch Functions and Settings
3.5.1 DIP Switch On/Off Definitions
Fig. 3-1 and 3-2 show the different DIP switch on/off states. The black section indicates
the DIP switch position.
Fig. 3-1 DIP switch on Fig. 3-2 DIP switch off
3.5.2 Audio IC Selection and Mode Setup
Use SW7 to select one of three different audio ICs connected. LED1 to LED3 illuminate as
shown in Table 3-7 to indicate which audio IC is currently selected.
Similarly, SW8 can be used to select the configuration, as described in 2.3. Table 3-8
shows the corresponding switch positions.
The SW2 main hard reset switch must be pressed in all cases if the DIP switch settings
below are changed.
Table 3-7 Audio IC selector switches and LED1 to LED3 states
SW7 LED
Setting (binary)
1 2 1 2 3
Description
00 OFF OFF
On Off Off
S1V30120
01 ON OFF
Off On Off
S1V30300
10 OFF ON
On On Off
S1V30333
Table 3-8 Mode selector switch
SW8
Setting (binary)
1 2 3 4
Description
0000 OFF OFF OFF OFF PC host
0011 ON ON OFF OFF ROM emulation
Ú
Please contact Seiko Epson if used with an external host or evaluation board host.
1 2
“On” marker
SW No.
1 2
“On” marker
SW No.