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DEVELOPMENT TOOLS
"To User_Vcc"
Settings
To User_V
CC
Off
On
To User_V
CC
Off
On
NOTE: The following symbol in the "To User_Vcc" Setting column indicates the electrical short (off) configuration:
Sub Clock Settings
X
IN
MDS
XTAL
X
IN
MDS
XTAL
22-4
Table 22-1. Power Selection Settings for TB8245/9
Operating Mode
TB8245
TB8249
V
CC
SMDS2/SMDS2+
TB8245
TB8249
V
CC
SMDS2+
Table 22-2. Main-clock Selection Settings for TB8245/9
Operating Mode
EVA Chip
S3E8240
X
OUT
X
IN
SMDS2/SMDS2+
EVA Chip
S3E8240
X
OUT
X
IN
Target Board
S3C8248/C8245/P8245/C8247/C8249/P8249
Target
V
CC
System
V
SS
External
Target
V
CC
System
V
SS
No Connection
100 Pin Connector
XTAL
Comments
The SMDS2/SMDS2+
supplies V
to the target
CC
board (evaluation chip) and
the target system.
The SMDS2/SMDS2+
supplies V
only to the target
CC
board (evaluation chip).
The target system must have
its own power supply.
Comments
Set the XI switch to "MDS"
when the target board is
connected to the
SMDS2/SMDS2+.
Set the XI switch to "XTAL"
when the target board is used
as a standalone unit, and is
not connected to the
SMDS2/SMDS2+.
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