STPCI2 STMicroelectronics, STPCI2 Datasheet - Page 14

• Manufacturer Part Number: STPCI2
• Description: STPC ATLAS DATASHEET - X86 CORE PC COMPATIBLE SYS
• Manufacturer: STMicroelectronics

PIN DESCRIPTION
14/111
BASIC CLOCKS AND RESETS
SYSRSTI#
SYSRSTO#
XTALI
XTALO
PCI_CLKI
PCI_CLKO
ISA_CLK,
ISA_CLK2X
OSC14M
HCLK
DEV_CLK
DCLK
V
MEMORY CONTROLLER
MCLKI
MCLKO
CS#[1:0]
CS#[3]/MA[12]/BA[1]
CS#[2]/MA[11]
MA[10:0]
BA[0]
RAS#[1:0]
CAS#[1:0]
MWE#
MD[0]
MD[53:1]
MD[63:54]
DQM[7:0]
PCI INTERFACE
AD[31:0]
CBE[3:0]
FRAME#
TRDY#
IRDY#
STOP#
DEVSEL#
PAR
PERR#
SERR#
LOCK#
PCI_REQ#[2:0]
PCI_GNT#[2:0]
PCI_INT#[3:0]
Note
DD
Signal Name
_xxx_PLL
1
; See
Table 2-3
for buffer type descriptions
Dir
I/O BD4STRP_FT
I/O BD4STRP_FT
I/O BD8PCIARP_FT
I/O BD8STRUP_FT
I/O BD8TRP_TC
I/O BD8STRUP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
I/O BD8PCIARP_FT
O BD8STRP_FT
O
O BT8TRP_TC
O BT8TRP_TC
O BD8STRP_FT
O BT8TRP_TC
O BT8TRP_TC
O BD8STRP_TC
O BD16STARUQP_TC
O BD16STARUQP_TC
O BD16STARUQP_TC Memory Row & Column Address
O BD16STARUQP_TC Bank Address
O BD16STARUQP_TC Row Address Strobe
O BD16STARUQP_TC Column Address Strobe
O BD16STARUQP_TC Write Enable
O BD8STRP_TC
O BD8PCIARP_FT
O BD8PCIARP_FT
I
I
I
I
I
I
I
SCHMITT_FT
OSCI13B
TLCHT_FT
TLCHT_TC
TLCHT_FT
BD8PCIARP_FT
BD4STRUP_FT
Buffer Type
Table 2-2. Definition of Signal Pins
1
Issue 1.0 - July 24, 2002
System Reset / Power good
Reset Output to System
14.31818 MHz Crystal Input
External Oscillator Input
14.31818 MHz Crystal Output
33 MHz PCI Input Clock
33 MHz PCI Output Clock
ISA Clock x1 and x2
Multiplexer Select Line for IPC
ISA bus synchronisation clock
66 MHz Host Clock (Test pin)
24 MHz Peripheral Clock
135 MHz Dot Clock
2.5V Power Supply for PLL Clocks
Memory Clock Input
Memory Clock Output
DIMM Chip Select
DIMM Chip Select
Memory Address
Bank Address
DIMM Chip Select
Memory Address
Memory Data
Memory Data
Memory Data
Data Input/Ouput Mask
Address / Data
Bus Commands / Byte Enables
Cycle Frame
Target Ready
Initiator Ready
Stop Transaction
Device Select
Parity Signal Transactions
System Error
PCI Lock
PCI Request
PCI Grant
PCI Interrupt Request
Parity Error
Description
Qty
11
53
10
32
1
1
1
1
1
1
2
1
1
1
1
7
1
1
2
1
1
1
2
2
1
8
4
1
1
1
1
1
1
1
1
1
3
3
4
1