TMS320F2811PBKA datasheet(26/170 Pages) TI

26 / 170 page

TMS320F2810, TMS320F2811, TMS320F2812

TMS320C2810, TMS320C2811, TMS320C2812

SPRS174S – APRIL 2001 – REVISED MARCH 2011

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Table 2-2. Signal Descriptions (continued)

PIN NO.

NAME

I/O/Z(2)

PU/PD(3)

DESCRIPTION

179-BALL

176-PIN

128-PIN

GHH/ZHH

PGF

PBK

GPIOF OR XF CPU OUTPUT SIGNAL

This pin has three functions:

XF – General-purpose output pin.

XPLLDIS – This pin is sampled during

reset to check whether the PLL must be

GPIOF14 -

A11

140

101

I/O

disabled. The PLL will be disabled if this

XF_XPLLDIS (O)

pin is sensed low. HALT and STANDBY

modes cannot be used when the PLL is

disabled.

GPIO – GPIO function

GPIOG OR SCI-B SIGNALS

GPIO or SCI asynchronous serial port transmit

GPIOG4 - SCITXDB (O)

P14

I/O/Z

–

data

GPIO or SCI asynchronous serial port receive

GPIOG5 - SCIRXDB (I)

M13

I/O/Z

–

data

NOTE

Other than the power supply pins, no pin should be driven before the 3.3-V rail has reached

recommended operating conditions. However, it is acceptable for an I/O pin to ramp along

with the 3.3-V supply.

Introduction

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