TMS320F2811 datasheet(26/173 Pages) TI

26 / 173 page

Introduction

April 2001 − Revised July 2007

SPRS174O

Table 2−2. Signal Descriptions† (Continued)

NAME

DESCRIPTION

PU/PD§

I/O/Z‡

PIN NO.

NAME

DESCRIPTION

PU/PD§

I/O/Z‡

128-PINP

176-PINP

179-PING

GPIOD OR EVA SIGNALS

GPIOD0 − T1CTRIP_PDPI

NTA (I)

H14

110

I/O

GPIO or Timer 1 Compare Output Trip

GPIOD1 −

T2CTRIP/EVASOC (I)

G10

115

I/O

GPIO or Timer 2 Compare Output Trip or External

ADC Start-of-Conversion EV-A

GPIOD OR EVB SIGNALS

GPIOD5 −

T3CTRIP_PDPINTB (I)

P10

I/O

GPIO or Timer 3 Compare Output Trip

GPIOD6 −

T4CTRIP/EVBSOC (I)

P11

I/O

GPIO or Timer 4 Compare Output Trip or External

ADC Start-of-Conversion EV-B

GPIOE OR INTERRUPT SIGNALS

GPIOE0 − XINT1_XBIO (I)

149

106

I/O/Z

−

GPIO or XINT1 or XBIO input

GPIOE1 −

XINT2_ADCSOC (I)

151

108

I/O/Z

−

GPIO or XINT2 or ADC start of conversion

GPIOE2 − XNMI_XINT13

(I)

150

107

I/O

GPIO or XNMI or XINT13

GPIOF OR SPI SIGNALS

GPIOF0 − SPISIMOA (O)

I/O/Z

−

GPIO or SPI slave in, master out

GPIOF1 − SPISOMIA (I)

I/O/Z

−

GPIO or SPI slave out, master in

GPIOF2 −SPICLKA (I/O)

I/O/Z

−

GPIO or SPI clock

GPIOF3 − SPISTEA (I/O)

I/O/Z

−

GPIO or SPI slave transmit enable

GPIOF OR SCI-A SIGNALS

GPIOF4 − SCITXDA (O)

155

111

I/O

GPIO or SCI asynchronous serial port TX data

GPIOD OR EVA SIGNALS

GPIOF5 − SCIRXDA (I)

157

112

I/O

GPIO or SCI asynchronous serial port RX data

GPIOF OR CAN SIGNALS

GPIOF6 − CANTXA (O)

N12

I/O

GPIO or eCAN transmit data

GPIOF7 − CANRXA (I)

N13

I/O

GPIO or eCAN receive data

GPIOF OR McBSP SIGNALS

GPIOF8 − MCLKXA (I/O)

I/O

GPIO or transmit clock

GPIOF9 − MCLKRA (I/O)

I/O

GPIO or receive clock

GPIOF10 − MFSXA (I/O)

I/O

GPIO or transmit frame synch

GPIOF11 − MFSRA (I/O)

I/O

GPIO or receive frame synch

GPIOF12 − MDXA (O)

I/O

−

GPIO or transmitted serial data

GPIOF13 − MDRA (I)

I/O

GPIO or received serial data

† Typical drive strength of the output buffer for all pins is 4 mA except for TDO, XCLKOUT, XF, XINTF, EMU0, and EMU1 pins, which are 8 mA.

‡ I = Input, O = Output, Z = High impedance

§ PU = pin has internal pullup; PD = pin has internal pulldown. Pullup/pulldown strength is given in Section 6.3. The pullups/pulldowns are enabled

in boundary scan mode.

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