sc3200 Advanced Micro Devices, sc3200 Datasheet - Page 77
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sc3200
Manufacturer Part Number
sc3200
Description
Geode-tm Sc3200 Processor
Manufacturer
Advanced Micro Devices
Datasheet
1.SC3200.pdf
(447 pages)
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Signal Definitions
3.4.11
AMD Geode™ SC3200 Processor Data Book
Signal Name
RTS2#
CTS2#
DTR1#/BOUT1
DTR2#/BOUT2
RI2#
DCD2#
DSR2#
Serial Ports (UARTs) Interface Signals (Continued)
EBGA
AH4
AH3
AG4
A28
H30
AJ2
AJ1
Ball No.
TEPBGA
AG1
C30
C31
D28
C28
B29
AJ8
Type
O
O
I
I
I
I
Description
Request to Send. When low, indicates to the
modem or other data transfer device that the
corresponding UART is ready to exchange
data. A system reset sets these signals to
inactive high, and loopback operation holds
them inactive.
Clear to Send. When low, indicates that the
modem or other data transfer device is ready
to exchange data.
Note:
Data Terminal Ready Outputs. When low,
indicate to the modem or other data transfer
device that the UART is ready to establish a
communications link. After a system reset,
these balls provide the DTR# function and
set these signals to inactive high. Loopback
operation drive them inactive.
Baud Outputs. Provide the associated serial
channel baud rate generator output signal if
test mode is selected (i.e., bit 7 of the EXCR1
Register is set).
Ring Indicator. When low, indicates to the
modem that a telephone ring signal has been
received by the modem. They are monitored
during power-off for wakeup event detection.
Note:
Data Carrier Detected. When low, indicates
that the data transfer device (e.g., modem) is
ready to establish a communications link.
Note:
Data Set Ready. When low, indicates that
the data transfer device (e.g., modem) is
ready to establish a communications link.
Note:
If selected as CTS2# function but not
used, tie CTS2# low.
If selected as RI2# function but not
used, tie RI2# high.
If selected as DCD2# function but
not used, tie DCD2# high.
If selected as DSR2# function but
not used, tie DSR2# low.
Revision 5.1
GPIO9+IDE_IOW1#
GPIO6+IDE_IOR1#
GPIO11+IRQ15
IDE_DACK1#
IDE_IORDY1
IDE_DREQ1
+SDTEST2
GPIO10+
GPIO7+
GPIO8+
GPIO18
Mux
77
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