Epson S1V30080F00A300 User Manual page 29

3. Usage Instructions
SW No.
SW7-1 S1V30080 internal regulator control
SW7-2 Interface mode lower-order bit
SW7-3 Interface mode higher-order bit
SW7-4 External flash memory access control
* Selects whether to use data written to
SW7-5 External flash memory write protection
SW7-6 Test switch
connector No.
1
2
3
4
CON3
5
6
7
8
* Power should be supplied from the host CPU board. The power supply voltage must be between 3.0 V
and 5.5 V and must match other signal levels.
26
Table 3.9 SW7 settings for connection to external host CPU
Function
the external flash memory or S1V30080
internal ROM data.
Table 3.10 External host CPU interface cable connection
Cable
I/O
color
P Brown VDD (3 to 5.5 V)
I Red SYSTEM_EN
I Orange SCKS/SCL /SET_PLAY1
I Yellow SIS /SDA /SET_PLAY0
O Green SOS /- /SET_PLAY2
O Blue MSG_RECEIVE/MSG_RECEIVE/SET_PLAY3
O Purple SOUND_PLAYING
P Gray VSS
Off: Normal operation
ON
ON
Off: External flash memory access
On: S1V30080 internal ROM access
On: Protects external flash memory data
On: Default
S1V30080 input/output pin
( * )
S1V30080 Series Evaluation Board User's Guide
EPSON
Description
signal level
-
3.0-5.5 V CMOS
3.0-5.5 V CMOS
3.0-5.5 V CMOS
3.0-5.5 V CMOS
3.0-5.5 V CMOS
3.0-5.5 V CMOS
-
(Rev. 1.00)