AMD Geode SC2200 User Manual
Page 61
AMD Geode™ SC2200 Processor Data Book
65
32580B
RI2#
AJ8
I
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:
If selected as RI2# function but not used, tie
RI2# high.
GPIO11+IRQ15
DCD2#
C28
I
Data Carrier Detected. When low, indicates that the
data transfer device (e.g., modem) is ready to establish a
communications link.
Note:
If selected as DCD2# function but not used, tie
DCD2# high.
GPIO9+IDE_IOW1#
+SDTEST2
DSR2#
B29
I
Data Set Ready. When low, indicates that the data trans-
fer device (e.g., modem) is ready to establish a communi-
cations link.
Note:
If selected as DSR2# function but not used, tie
DSR2# low.
GPIO10+
IDE_IORDY1
3.4.11
Serial Ports (UARTs) Interface Signals (Continued)
Signal Name
Ball No.
Type
Description
Mux