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ADM5120 Interface Description
Pin Name
BGA Ball
PQFP Pin#
Type Descriptions
PCI_GNT[2:0]
J19,J20,K20
NA
O
Grant. It indicates to the master that
access to the PCI bus has been
granted
PCI_IRDY M2 NA
BI
Initiator Ready.
PCI_PAR T2
NA
BI
Parity
PCI_PERR T3 NA
BI
Parity Error
PCI_REQ[2:0] K19,K18,J17
NA
I
PCI Bus Request
PCI_SER R2
NA
BI
System Error
PCI_STOP U2
NA
BI
Stop indicates the current target is
requesting the host to stop the current
transaction due to unusual condition
PCI_TRDY R1 NA
BI
Target Ready.
PCI_INTA[2:0] L20,L19,K16
NA
I
PCI interrupt input
PCI_RESET H16 NA
O
PCI bus Reset.
PCI_CLK33 J18 NA
I
PCI bus Clock input.
PCI_CLK33 C17 NA
0
PCI bus Clock output.
2.2.11 USB
Pin Name
BGA Ball
PQFP Pin#
Type Descriptions
DMNS1
C12
171
BI
Data- of USB port1. differential data
bus conforming to the USB 1.1
DPLS1
B12
172
BI
Data+ of USB port1. differential data
bus conforming to the USB 1.1
DMNS0
C11
175
BI
Data- of USB port0. differential data
bus conforming to the USB 1.1
DPLS0
B11
174
BI
Data+ of USB port0. differential data
bus conforming to the USB 1.1
CLK48M A13
168
I
USB Clock Input
2.2.12 NAND Flash
Pin Name
BGA Ball
PQFP Pin#
Type Descriptions
NAND_OE_N N3
NA
O
Read enable
NAND_WE_N N5
NA
O
Write enable
CLE M3
NA
O
Command Latch Enable
ALE N1
NA
O
Address Latch Enable
WP M4
NA
O
Write Protect
RDY P1
NA
I
Ready/Busy Input
SP P2
NA
O
Spare enable
2.2.13 External CS/INT/wait
ADMtek Inc.
2-10
Pin Name
BGA Ball
PQFP Pin#
Type Descriptions
WAIT#
F18
148
I
WAIT# is available in en_csx_intx and
en_wait enable. See switch control
register GPIO_config2 (B+BC), bit[4],
bit[5], and bit[6]. When CSX active and
SMC programmable wait_state time-
out, then check the WAIT#
if high, then complete the access