TMS570LS3135 datasheet(13/154 Pages) TI1

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TMS570LS2125

TMS570LS2135

TMS570LS3135

www.ti.com

SPNS164

– SEPTEMBER 2011

2.4

Terminal Functions

Section 2.4.1 and Section 2.4.2 identify the external signal names, the associated pin/ball numbers along

with the mechanical package designator, the pin/ball type (Input, Output, IO, Power or Ground), whether

the pin/ball has any internal pullup/pulldown, whether the pin/ball can be configured as a GIO, and a

functional pin/ball description. The first signal name listed is the primary function for that terminal. The

signal name in Bold is the function being described. Refer to the I/O Multiplexing Module (IOMM) User

Guide for information on how to select between different multiplexed functions.

NOTE

All I/O signals except nRST are configured as inputs while nPORRST is low and immediately

after nPORRST goes High.

All output-only signals are configured as inputs while nPORRST is low, and are configured

as outputs immediately after nPORRST goes High.

While nPORRST is low, the input buffers are disabled, and the output buffers are tri-stated.

2.4.1

PGE Package

2.4.1.1

Multi-Buffered Analog-to-Digital Converters (MibADC)

Table 2-4. PGE Multi-Buffered Analog-to-Digital Converters (MibADC1, MibADC2)

Terminal

Signal

Default

Pull Type

Description

Type

Pull State

Signal Name

144

PGE

ADREFHI(1)

Input

ADC high reference

supply

ADREFLO(1)

Input

ADC low reference supply

VCCAD(1)

Power

Operating supply for ADC

VSSAD(1)

Ground

AD1EVT

Input

Pull Down

Programmable,

ADC1 event trigger input,

20uA

or GIO

MIBSPI3NCS[0]/AD2EVT

I/O

Pull Up

Programmable,

ADC2 event trigger input,

20uA

or GIO

AD1IN[0]

Input

ADC1 analog input

AD1IN[01]

AD1IN[02]

AD1IN[03]

AD1IN[04]

AD1IN[05]

AD1IN[06]

AD1IN[07]

(1)

The ADREFHI, ADREFLO, VCCAD and VSSAD connections are common for both ADC cores.

Device Package and Terminal Functions

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