TSS901EASLASH883 datasheet(13/31 Pages) ATMEL

13 / 31 page

TSS901E

Rev. C – 24-Aug-01

Signal Description

The Figure below shows the TSS901E (also called SMCS332) embedded in a typical

module environment:

This section describes the pins of the TSS901E. Groups of pins represent busses where

the highest number is the MSB.

O = Output; I = Input; Z = High Impedance; (*) = active low signalO/Z = if using a config-

uration with two TSS901Es these signals can directly be connected together (WIROR)

Signal Name

Type

Function

max. output

current [mA]

load [pF]

HSEL*

Select host interface

HRD*

host interface read strobe

HWR*

host interface write strobe

HADR(7:0)

TSS901E register address lines. This address lines will be

used to access (address) the TSS901E registers.

HDATA(31:0)

IO/Z

TSS901E data

HACK

O/Z

host acknowledge. TSS901E deasserts this output to add wait

states to a TSS901E access. After TSS901E is ready this

output will be asserted.

350

HINTR*

O/Z

host interrupt request line

TSS901EADR(3:0

)

TSS901E Address. The binary value of this lines will be

compared with the value of the TSS901E ID lines.

TSS901EID(3:0)

TSS901E ID lines: offers possibility to use sixteen TSS901E

within one HSEL*

TSS901EA/883 Datasheet(PDF) 13 Page - ATMEL Corporation

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