Bootstrap Options; Ball Assignments; Table 3-3. Bootstrap Options; Table 3-4. Ball Type Definitions - AMD Geode LX 600@0.7W Data Book

33234H
3.2

Bootstrap Options

The bootstrap options shown in Table 3-3 are supported in
the AMD Geode LX processor for configuring the system.

Table 3-3. Bootstrap Options

Pins Description
IRQ13 0: Normal boot operation, TAP reset
active during PCI reset
1: Debug stall of CPU after CPU
reset, TAP reset active until V
PW1 0: PCI (SYSREF) is 33 MHz
1: PCI (SYSREF) is 66 MHz
PW0, Select CPU and GeodeLink system
SUSPA#, MHz options including a PLL bypass
GNT[2:0]# option. Refer to Table 6-87 on page
556 for programming.
24
3.3

Ball Assignments

The tables in this chapter use several common abbrevia-
tions. Table 3-4 lists the mnemonics and their meanings.

Table 3-4. Ball Type Definitions

Mnemonic
A
I
I/O
valid
IO
CAV
SS
CAV
DD
DAV
SS
DAV
DD
MAV
SS
MAV
DD
O
VAV
SS
VAV
DD
V
CORE
V
IO
V
MEM
V
SS
#
Signal Definitions
Definition
Analog
Input ball
Bidirectional ball
Core PLL Ground ball: Analog
Core PLL Power ball: Analog
DAC PLL Ground ball: Analog
DAC PLL Power ball: Analog
GLIU PLL Ground ball: Analog
GLIU PLL Power ball: Analog
Output ball
Video PLL Ground ball: Analog
Video PLL Power ball: Analog
Power ball: 1.2V (Nominal)
I/O Power ball: 3.3V (Nominal)
Power ball: 2.5V
Ground ball
The "#" symbol at the end of a signal
name indicates that the active, or
asserted state, occurs when the sig-
nal is at a low voltage level. When "#"
is not present after the signal name,
the signal is asserted when at a high
voltage level.
AMD Geode™ LX Processors Data Book