STPCE1 データシートの表示（PDF） - STMicroelectronics
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STPCE1 Datasheet PDF : 87 Pages
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PIN DESCRIPTION
Table 2-2. Definition of Signal Pins
Signal Name
Dir
Buffer Type2
Description
Qty
BASIC CLOCKS AND RESETS
SYSRSETI#
I
SCHMITT_FT System Power Good Input
1
SYSRSTO#
O
BD8STRP_FT System Reset Output
1
XTALI
I
ANA
14.3 MHz Crystal Input - External
Oscillator Input
1
XTALO
I/O
OSCI13B
14.3 MHz Crystal Output
1
HCLK
I/O
BD4STRP_FT Host Clock (Test)
1
GP_CLK
VDD_xxx_PLL1
O
BT8TRP_TC
General Purpose Clock
1
Power Supply for PLL Clocks
MEMORY INTERFACE
MCLKI
MCLKO
CS#[1:0]
CS#[3]/MA[13]/BA[1]
CS#[2]/MA[12]
MA[10:0]
MD[48:10], [7:2]
MD[63:49], [9:8], [1:0]
RAS#[1:0]
CAS#[1:0]
MWE#
DQM[7:0]
I
TLCHT_TC
Memory Clock Input
1
O
BT8TRP_TC
Memory Clock Output
1
O
BD8STRP_TC DIMM Chip Select
2
O
BD16STARUQP_TC
DIMM Chip Select/ Memory Address/
Bank Address
1
O BD16STARUQP_TC DIMM Chip Select/ Bank Address
1
O BD16STARUQP_TC Memory Row & Column Address
12
I/O
BD8TRP_TC Memory Data
45
I/O
BD8STRUP_FT Memory Data
19
O BD16STARUQP_TC Row Address Strobe
2
O BD16STARUQP_TC Column Address Strobe
2
O BD16STARUQP_TC Write Enable
1
O
BD8STRP_TC Data Input/Output Mask
8
PCI INTERFACE
PCI_CLKI
PCI_CLKO
AD[31:0]
CBE[3:0]
FRAME#
IRDY#
TRDY#
LOCK#
DEVSEL#
STOP#
PAR
SERR#
PCI_REQ#[2:0]
PCI_GNT#[2:0]
PCI_INT[3:0]
I
TLCHT_FT
33 MHz PCI Input Clock
1
O
BT8TRP_TC
33 MHz PCI Output Clock (from internal
PLL)
1
I/O
BD8PCIARP_FT PCI Address / Data
32
I/O
BD8PCIARP_FT Bus Commands / Byte Enables
4
I/O
BD8PCIARP_FT Cycle Frame
1
I/O
BD8PCIARP_FT Initiator Ready
1
I/O
BD8PCIARP_FT Target Ready
1
I
TLCHT_FT
PCI Lock
1
I/O
BD8PCIARP_FT Device Select
1
I/O
BD8PCIARP_FT Stop Transaction
1
I/O
BD8PCIARP_FT Parity Signal Transactions
1
O
BD8PCIARP_FT System Error
1
I
BD8PCIARP_FT PCI Request
3
O
BD8PCIARP_FT PCI Grant
3
I
BD4STRUP_FT PCI Interrupt Request
4
ISA CONTROL
Note1: These pins must be connected to the 2.5 V power supply. They must not be connected to the 3.3V supply.
Note2: See Table 2-3 for buffer type descriptions.
12/87
Release 1.3 - January 29, 2002
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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