AMD8513 datasheet(12/88 Pages) INFINEON

12 / 88 page

ADM8513

Data Sheet

Interface Description

Data Sheet

Rev. 1.21, 2005-12-05

2.2.1

Host Interface

2.2.2

Physical Interface

Not Usable (JEDEC Standard)

Not Connected (JEDEC Standard)

Table 2

Abbreviations for Buffer Type

Abbreviations

Description

High impedance

PU1

Pull up, 10 k

Ω

PD1

Pull down, 10 k

Ω

PD2

Pull down, 20 k

Ω

Tristate capability: The corresponding pin has 3 operational states: Low, high and high-

impedance.

Open Drain. The corresponding pin has 2 operational states, active low and tristate, and

allows multiple devices to share as a wire-OR. An external pull-up is required to sustain the

inactive state until another agent drives it, and must be provided by the central resource.

Open Collector

Push-Pull. The corresponding pin has 2 operational states: Active-low and active-high

(identical to output with no type attribute).

OD/PP

Open-Drain or Push-Pull. The corresponding pin can be configured either as an output with

the OD attribute or as an output with the PP attribute.

Schmitt-Trigger characteristics

TTL

TTL characteristics

Table 3

Host Interface

Pin or Ball

No.

Name

Type

Buffer

Type

Function

CLK48_I

Input Clock

48 MHz clock input from crystal or oscillator.

CLK48_O

Output for Crystal

RST#

External Hardware Reset Input

Schmitt-trigger, internal pull high.

I/O

USB Data Minus pin

I/O

USB Data Plus Pin

Table 1

Abbreviations for Pin Type (cont’d)

Abbreviations

Description

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