17 debug monitoring interface signals, 18 jtag interface signals – AMD Geode SC2200 User Manual
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AMD Geode™ SC2200 Processor Data Book
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3.4.17
Debug Monitoring Interface Signals
Signal Name
Ball No.
Type
Description
Mux
FPCICLK
B18
O
Fast-PCI Bus Monitoring Signals. When enabled, this
group of signals provides for monitoring of the internal
Fast-PCI bus for debug purposes. To enable, pull up
FPCI_MON (ball A4).
ACK#+TFTDE
F_AD7
A18
O
PD7+TFTD13
F_AD6
A20
O
PD6+TFTD1
F_AD5
C19
O
PD5+TFTD11
F_AD4
C18
O
PD4+TFTD10
F_AD3
C20
O
PD3+TFTD9
F_AD2
D20
O
PD2+TFTD8
F_AD1
A21
O
PD1+TFTD7
F_AD0
C21
O
PD0+TFTD6
F_C/BE3#
C17
O
SLCT+TFTD15
F_C/BE2#
D17
O
PE+TFTD14
F_C/BE1#
B17
O
BUSY/WAIT#+
TFTD3
F_C/BE0#
D21
O
ERR#+TFTD4+
F_FRAME#
A22
O
STB#/WRITE#+
TFTD17
F_IRDY#
B20
O
SLIN#/ASTRB#+
TFTD16
F_STOP#
U29
O
AC97_RST#
F_DEVSEL#
V31
O
GPIO16+
PC_BEEP
F_GNT0#
U31
O
SDATA_IN
F_TRDY#
U30
O
BIT_CLK
INTR_O
D22
O
CPU Core Interrupt. When enabled, this signal provides
for monitoring of the internal GX1 core INTR signal for
debug purposes. To enable, pull up FPCI_MON (ball A4).
AFD#/DSTRB#+
TFTD2
SMI_O
B21
O
System Management Interrupt. This is the input to the
GX1 core. When enabled, this signal provides for moni-
toring of the internal GX1 core SMI# signal for debug pur-
poses. To enable, pull up FPCI_MON (ball A4).
INIT#+TFTD5+
3.4.18
JTAG Interface Signals
Signal Name
Ball No.
Type
Description
Mux
TCK
E31
I
JTAG Test Clock. This signal has an internal weak pull-
up resistor.
---
TDI
I
JTAG Test Data Input. This signal has an internal weak
pull-up resistor.
TDO
E30
O
JTAG Test Data Output
---
TMS
F28
I
JTAG Test Mode Select. This signal has an internal
weak pull-up resistor.
---