TNETV6446AINZWT datasheet(46/227 Pages) TI1

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TMS320DM6446

SPRS283H – DECEMBER 2005 – REVISED SEPTEMBER 2010

www.ti.com

Table 2-22. UART0, UART1, UART2 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

DESCRIPTION

NAME

NO.

UART2

CI7/

IPD

This pin is multiplexed between the CCDC and UART2.

CCD15/

N19

I/O/Z

DVDD18

When used by UART2 it is the receive data input UART_RXD2.

UART_RXD2

CI6/

IPD

This pin is multiplexed between the CCDC and UART2.

CCD14/

N18

I/O/Z

DVDD18

In UART2 mode, it is the transmit data output UART_TXD2.

UART_TXD2

CI5/

IPD

This pin is multiplexed between the CCDC and UART2.

CCD13/

N17

I/O/Z

DVDD18

In UART2 mode, it is the clear to send input UART_CTS2.

UART_CTS2

CI4/

IPD

This pin is multiplexed between the CCDC and UART2.

CCD12/

N16

I/O/Z

DVDD18

In UART2 mode, it is the ready to send output UART_RTS2.

UART_RTS2

UART1

DMACK/

This pin is multiplexed between ATA/CF and UART1.

I/O/Z

DVDD18

UART_TXD1

For UART1, it is transmit data output UART_TXD1.

DMARQ/

IPD

This pin is multiplexed between ATA/CF and UART1.

I/O/Z

UART_RXD1

DVDD18

For UART1, it is receive data input UART_RXD1.

UART0

UART_RXD0/

This pin is multiplexed between UART0 and GPIO.

I/O/Z

DVDD18

GPIO35

For UART0, it is receive data input UART_RXD0.

UART_TXD0/

This pin is multiplexed between UART0 and GPIO. .

I/O/Z

DVDD18

GPIO36

For UART0, it is transmit data output UART_TXD0.

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal

(2)

IPD = Internal pulldown, IPU = Internal pullup. (To pull up a signal to the opposite supply rail, a 1-k

Ω resistor should be used.)

(3)

Specifies the operating I/O supply voltage for each signal

Table 2-23. PWM0, PWM1, PWM2 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2)

DESCRIPTION

NAME

NO.

PWM2

PWM2/

This pin is multiplexed between PWM2, VPBE, and GPIO.

B2/

A15

I/O/Z

DVDD18

For PWM2, it is output PWM2.

GPIO47

PWM1

PWM1/

This pin is multiplexed between PWM1, VPBE, and GPIO.

R2/

B15

I/O/Z

DVDD18

For PWM1, it is output PWM1.

GPIO46

PWM0

PWM0/

This pin is multiplexed between PWM0 and GPIO.

C15

I/O/Z

DVDD18

GPIO45

For PWM0, it is output PWM0.

(1)

I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal

(2)

Specifies the operating I/O supply voltage for each signal

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