UM_INAP375R Revision 1.2_A1
Inova Semiconductors Confidential
Page 16 of 37
User Manual
3.1.7 DIP Switches and buttons
* see user manual of APIX2 Tx for bootstrapping details of APIX2.
13
AX_SPIS_STALL__MII_COL
14
AX_SPIS_CS0#__MII_TXD0__SBDW_D0
14
AX_SPIS_CS1#__MII_TXD1__SBDW_D1
S1
Power Supply Control
Switch
Status
Description
1
ON
Shutdown 3.9V supply from DC/DC
2
ON
Shutdown 2.1V supply from DC/DC
3
ON
Shutdown power over APIX supply
4
ON
Enable power sequencing on DC/DC converter 2.1V before 3.9V
Table 3-14: Power Supply Control
S2
APIX2 Bootstrap
Switch
Status
Signal
Bootstrap
1
ON=1, OFF=0
SPIS_MB0__MII_RXD2__SBUP_D0
Bst1
2
ON=1, OFF=0
SPIM_SCK__MII_RXD1
Bst2
3
ON=1, OFF=0
SPIS_SDO
Bst3
4
ON=1, OFF=0
SPIS_STALL__MII_COL
Bst4
5
ON=1, OFF=0
SPIM_SDO__MII_CLK
Bst5
6
ON=1, OFF=0
SPIS_MB1__MII_RXDV__SBUP_D1
Bst6
7
ON=1, OFF=0
not used
8
ON
Tx / Rx Select for
μ
C (ON = Tx; OFF = Rx)
Table 3-15: APIX2 Bootstrap
X10
Stereo audio line in
Pin
Signal
Table 3-13: APIX data interface2 to extension board
