S3C8285 View Datasheet(PDF) - Samsung
Part Name
Description
Manufacturer
S3C8285 Datasheet PDF : 369 Pages
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DEVELOPMENT TOOLS
S3C828B/F828B/C8289/F8289/C8285/F8285
"To User_Vcc"
Settings
To User_VCC
Off
On
To User_VCC
Off
On
Table 23-1. Power Selection Settings for TB828B/9/5
Operating Mode
Comments
TB828B
TB8289
TB8285
VCC
SMDS2/SMDS2+
TB828B
TB8289
TB8285
VCC
SMDS2/SMDS2+
VCC
VSS
External
VCC
VSS
Target
System
Target
System
The SMDS2/SMDS2+
supplies VCC to the target
board (evaluation chip) and
the target system.
The SMDS2/SMDS2+
supplies VCC only to the target
board (evaluation chip).
The target system must have
its own power supply.
NOTE: The following symbol in the "To User_Vcc" Setting column indicates the electrical short (off) configuration:
Main Clock Settings
XIN
XTAL
MDS
XIN
XTAL
MDS
Table 23-2. Main-clock Selection Settings for TB828B/9/5
Operating Mode
EVA Chip
S3E8280
XOUT
XIN
SMDS2/SMDS2+
No Connection
100 Pin Connector
Comments
Set the XI switch to “MDS”
when the target board is
connected to the
SMDS2/SMDS2+.
EVA Chip
S3E8280
XOUT
XIN
Target Board
XTAL
Set the XI switch to “XTAL”
when the target board is used
as a standalone unit, and is
not connected to the
SMDS2/SMDS2+.
23-4
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