Themis NanoPAK, Руководство пользователя

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A-12
Themis Computer
NanoPAK
®
User Manual Version 1.0
SB9
OPTION-
SET
Used to connect the termination on the transmitter side. (Only
applies when in RS422 or RS485 mode.
SB9 NOT INSTALLED: No transmitter termination.
SB9 INSTALLED: Transmitter termination ON
SB9:
NOT INSTALLED
SB10 CPU-SET
Used to select the power source provided on the VGA con-
nector. The pin is protected by a resettable fuse.
SB10 SET TO 1-2: 5V
SB10 SET TO 2-3: 3.3V
SB10:
1-2 (5V)
SB11 CPU-SET
Two signals, S3 and S4, indicate the sleep state of the SBC
module. SB11 is used to define the effect of those states on
the DC/DC converters.
SB11 NOT INSTALLED: No effect
SB11 SET TO 1-2: S3 active state can turn off the 12V/5V and
5V/3.3V converters
SB11 SET TO 2-3: S4 active state can turn off the 12V/5V and
5V/3.3V converters
SB11:
NOT INSTALLED
(No effect)
SB12,
SB14,
SB15,
SB20
OPTION-
SET
Used to set the AUDIO input
SB12,SB14,SB15,SB20 SET TO 1-2: select MIC1
SB12,SB14,SB15,SB20 SET TO 2-3: select LINE1 SB12, SB14,
SB15, SB20:
1-2 (MIC1)
SB14
OPTION-
SET
See SB12
SB14
1-2 (MIC1)
SB15
OPTION-
SET
See SB12
SB15
1-2 (MIC1)
SB16 CPU-SET
Controls the effect of S3 or S4 on the 5V/3.3V DC/DC con-
verter.
SB16 INSTALLED: Allows S3 or S4 to disable the 5V/3.3V
converter.
SB16 NOT INSTALLED: Does not allow S3 or S4 to disable
the 5V/3.3V converter
SB16:
NOT INSTALLED
SB17 CPU-SET
Close this solder bead to “fake” the VCC_RTC voltage from
the 5VALW source. SB17:
NOT INSTALLED
Table A-5. Solder Bead Settings (Continued)
Name Category Description
Factory
Default
Setting