AMD Geodeā„¢ SC2200 Processor Data Book 71
Signal Definitions 32580B
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.
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TDI F29 I JTAG Test Data Input. This signal has an internal weak
pull-up resistor.
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TDO E30 O JTAG Test Data Output ---
TMS F28 I JTAG Test Mode Select. This signal has an internal
weak pull-up resistor.
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