TNETV1644ZDU6 datasheet(61/306 Pages) TI1

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TMS320DM6437

Digital Media Processor

www.ti.com

SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008

Table 2-26. UART0 and UART1 Terminal Functions

SIGNAL

TYPE(1)

OTHER(2)(3)

DESCRIPTION

ZWT

ZDU

NAME

NO.

UART1

HECC_RX/

This pin is multiplexed between the HECC, Timer 1, UART1 (Data),

TINP1L/

IPU

I/O/Z

and GPIO.

URXD1/

DVDD33

Fo UART1 this pin is the receive data input URXD1.

GP[56]

HECC_TX/

This pin is multiplexed between the HECC, Timer 1, UART1 (Data),

TOUT1L/

IPU

I/O/Z

and GPIO.

UTXD1/

DVDD33

Fo UART1 this pin is the transmit data output UTXD1.

GP[55]

UART0

URXD0/

IPU

This pin is multiplexed between UART0 (Data) and GPIO.

I/O/Z

GP[85]

DVDD33

When used by UART0 this pin is the receive data input URXD0.

UTXD0/

IPU

This pin is multiplexed between UART0 (Data) and GPIO.

I/O/Z

GP[86]

DVDD33

In UART0 mode, this pin is the transmit data output UTXD0.

UCTS0

IPU

This pin is multiplexed between the UART0 (Flow Control) and GPIO.

I/O/Z

GP[87]

DVDD33

In UART0 mode, this pin is the clear to send input UCTS0.

URTS0

This pin is multiplexed between the UART0 (Flow Control), PWM0,

IPU

PWM0

I/O/Z

and GPIO.

DVDD33

GP[88]

In UART0 mode, this pin is the ready to send output URTS0.

(1)

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

(2)

IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external

pullup/pulldown resistors are required, see Section 3.9.1, Pullup/Pulldown Resistors.

(3)

Specifies the operating I/O supply voltage for each signal

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