SPEAR1340 datasheet(39/200 Pages) STMICROELECTRONICS

39 / 200 page

SPEAr1340

Pin description

Doc ID 023063 Rev 4

39/200

Pin description

This chapter provides a full description of the ball characteristics and the signal multiplexing

of SPEAr1340 device.

●

Section 3.1 shows the pin map of SPEAr1340.

●

Section 3.2 shows the association between balls and pads providing a detailed

description of their terminal characteristics.

●

Section 3.3 describes the power supply pins.

●

Section 3.4 shows the multiplexing scheme for multiplexed IPs.

●

Section 3.5 describes the pinout for each IP, categorized by functionality.

●

Section 3.6 describes the strapping options configuration and the hardware Boot

selection.

The following table explains the table headers and abbreviations used in this chapter.

Note:

In this chapter “na” stands for “not applicable”.

Table 2.

Headers/abbreviations

Header

Description

Abbreviations

Ball

Ball number associated with each signal on

the package.

–

Pin name

Name of signals multiplexed on each ball.

Note that at reset and after reset release, all

I/O pads (except for USB) are in input. To

choose between the possible configurations,

you need to program each IP by software.

Please refer to Section 3.4: Multiplexed

signals description and SPEAr1340

reference manuals for more information.

–

Signal type

Signal information (direction, type)

I= Input

O= Output

IO= Input/output

S= Depending on strapping option

D= Open drain

PWR= Power supply

GND= Ground

Z= High-impedance

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