PM7382-PI View Datasheet(PDF) - PMC-Sierra
Part Name
Description
MFG CO.
'PM7382-PI' PDF : 330 Pages View PDF
RELEASED
DATA SHEET
PMC-2010333
ISSUE 3
PM7382 FREEDM-32P256
FRAME ENGINE AND DATA LINK MANAGER 32P256
Pin Name Type
AD[0]
I/O
AD[1]
AD[2]
AD[3]
AD[4]
AD[5]
AD[6]
AD[7]
AD[8]
AD[9]
AD[10]
AD[11]
AD[12]
AD[13]
AD[14]
AD[15]
AD[16]
AD[17]
AD[18]
AD[19]
AD[20]
AD[21]
AD[22]
AD[23]
AD[24]
AD[25]
AD[26]
AD[27]
AD[28]
AD[29]
AD[30]
AD[31]
Pin Function
No.
AC1 The PCI address and data bus (AD[31:0]) carries
AB1 the PCI bus multiplexed address and data.
AA3 During the first clock cycle of a transaction,
AA1 AD[31:0] contains a physical byte address.
AA2 During subsequent clock cycles of a transaction,
Y3 AD[31:0] contains data.
W4
Y1
W3
W1
V3
V1
V2
U1
U4
U2
N4
N1
N3
N2
M2
M3
A transaction is defined as an address phase
followed by one or more data phases. When
Little-Endian byte formatting is selected,
AD[31:24] contain the most significant byte of a
DWORD while AD[7:0] contain the least
significant byte. When Big-Endian byte
formatting is selected. AD[7:0] contain the most
significant byte of a DWORD while AD[31:24]
contain the least significant byte. When the
FREEDM-32P256 is the initiator, AD[31:0] is an
output bus during the first (address) phase of a
transaction. For write transactions, AD[31:0]
remains an output bus for the data phases of the
transaction. For read transactions, AD[31:0] is
an input bus during the data phases.
L3
When the FREEDM-32P256 is the target,
L2
AD[31:0] is an input bus during the first (address)
K3 phase of a transaction. For write transactions,
K2 AD[31:0] remains an input bus during the data
K1 phases of the transaction. For read transactions,
J3
AD[31:0] is an output bus during the data
J2
phases.
J4
When the FREEDM-32P256 is not involved in
J1
the current transaction, AD[31:0] is tristated.
H3
As an output bus, AD[31:0] is updated on the
rising edge of PCICLK. As an input bus,
AD[31:0] is sampled on the rising edge of
PCICLK.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA,INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 22
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