STPCI2 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STPCI2

X86 CORE PC COMPATIBLE SYSTEM-ON-CHIP FOR TERMINALS

STMicroelectronics 

STPC® ATLAS

Table 2-2. Definition of Signal Pins

Signal Name

Dir

Buffer Type1

Description

Qty

CS#[1:0]

O BD8STRP_TC

DIMM Chip Select

2

DIMM Chip Select

CS#[3]/MA[12]/BA[1] O BD16STARUQP_TC Memory Address

1

Bank Address

CS#[2]/MA[11]

O

BD16STARUQP_TC

DIMM Chip Select

Memory Address

1

MA[10:0]

O BD16STARUQP_TC Memory Row & Column Address

11

BA[0]

O BD16STARUQP_TC Bank Address

1

RAS#[1:0]

O BD16STARUQP_TC Row Address Strobe

2

CAS#[1:0]

O BD16STARUQP_TC Column Address Strobe

2

MWE#

O BD16STARUQP_TC Write Enable

1

MD[0]

I/O BD8STRUP_FT

Memory Data

1

MD[53:1]

I/O BD8TRP_TC

Memory Data

53

MD[63:54]

I/O BD8STRUP_FT

Memory Data

10

DQM[7:0]

O BD8STRP_TC

Data Input/Ouput Mask

8

) PCI INTERFACE

t(s AD[31:0]

I/O BD8PCIARP_FT

Address / Data

32

c CBE[3:0]

I/O BD8PCIARP_FT

Bus Commands / Byte Enables

4

u FRAME#

I/O BD8PCIARP_FT

Cycle Frame

1

d TRDY#

I/O BD8PCIARP_FT

Target Ready

1

ro IRDY#

I/O BD8PCIARP_FT

Initiator Ready

1

P STOP#

I/O BD8PCIARP_FT

Stop Transaction

1

DEVSEL#

I/O BD8PCIARP_FT

Device Select

1

te PAR

I/O BD8PCIARP_FT

Parity Signal Transactions

1

le PERR#

I/O BD8PCIARP_FT

Parity Error

1

o SERR#

O BD8PCIARP_FT

System Error

1

s LOCK#

I TLCHT_FT

PCI Lock

1

b PCI_REQ#[2:0]

I BD8PCIARP_FT

PCI Request

3

O PCI_GNT#[2:0]

O BD8PCIARP_FT

PCI Grant

3

- PCI_INT#[3:0]

I BD4STRUP_FT

PCI Interrupt Request

4

uct(s) ISA BUS INTERFACE

d LA[23:17]

O BD8STRUP_FT

Unlatched Address Bus

7

ro SA[19:0]

O BD8STRUP_FT

Latched Address Bus

20

P SD[15:0]

I/O BD8STRP_FT

Data Bus

16

IOCHRDY

I BD8STRUP_FT

I/O Channel Ready

1

te ALE

O BD4STRP_FT

Address Latch Enable

1

le BHE#

O BD8STRUP_FT

System Bus High Enable

1

o MEMR#, MEMW# I/O BD8STRUP_FT

Memory Read & Write

2

s SMEMR#, SMEMW# O BD8STRP_FT

System Memory Read and Write

2

bIOR#, IOW#

I/O BD8STRUP_FT

I/O Read and Write

2

OMASTER#

I BD4STRUP_FT

Add On Card Owns Bus

1

MCS16#

I BD4STRUP_FT

Memory Chip Select 16

1

IOCS16#

I BD4STRUP_FT

I/O Chip Select 16

1

REF#

I BD8STRP_FT

Refresh Cycle

1

AEN

O BD8STRUP_FT

Address Enable

1

IOCHCK#

I BD4STRUP_FT

I/O Channel Check (ISA)

1

RTCRW#

O BD4STRP_FT

RTC Read / Write#

1

Note1; See Table 2-3 for buffer type descriptions

16/108

1

Share Link: