FS2101 datasheet(19/48 Pages) HP

19 / 48 page

The ADDR, ADDR_B, ADDR_C, DATA_B and DATA variables

are defined in the format menu and used to pass the AD line

information to the Inverse Assembler during state analysis. They

are mapped as shown in the below table. These variables should

not be changed or deleted from the format Menu.

Mode

ADDR

ADDR_B

ADDR_C

DATA

DATA_B

32 BIT

MUX

LOWER

32 AD

LINES

NOT

USED

NOT USED

LOWER

32 AD

LINES

NOT

USED

32 BIT

DEMUX

LOWER

32 AD

LINES

- DATA

LOWER 32

AD -

ADDRESS

NOT USED

LOWER

32 AD

LINES -

DATA

NOT

USED

64 BIT

MUX

LOWER

32 AD

LINES

- DATA

NOT

USED

NOT USED

LOWER

32 AD

LINES -

DATA

UPPER

32 AD

LINES

64 BIT

DEMUX

LOWER

32 AD

LINES

- DATA

LOWER 32

AD -

ADDRESS

UPPER 32

AD LINES -

ADDRESS

LOWER

32 AD

LINES -

DATA

UPPER

32 AD

LINES

The Bus Utilization BUS_UT variable is made up of the following

cycle bits: WNODEV, ADVALID, TABORT, DVALID, WTARGET,

WINITI, RETRY, IDLE, MABORT. The list of symbols defined for

this variable are the signal names themselves.

This is a

convenient grouping that helps make triggering and performance

analysis easier.

This variable is the C/BE[3:0] lines latched with the first rising

edge of the PCI clock with FRAME# asserted. These signals are

held until the end of the transaction. They indicated the

command that is being transmitted on the PCI Local bus. Below

is the encoding of these signals and the symbols defined for the

L_CMD variable. These encodings can also be found in the PCI

Specification.

Symbol

L_CMD encoding

INTACK

0000

SPEC_CYC

0001

I/O_RD

0010

I/O_WR

0011

The ADDR, ADDR_B ,

ADDR_C, DATA_B and

DATA variables

The BUS_UT variable

The L_CMD variable

FS2101 Datenblatt(PDF) 19 Page - Agilent(Hewlett-Packard)

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