TNETV1644ZDU6 datasheet(126/306 Pages) TI1

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3.7.3.11 PWM1 Block

TMS320DM6437

Digital Media Processor

SPRS345D – NOVEMBER 2006 – REVISED JUNE 2008

www.ti.com

This block of 1 pin consists of PWM1 and GPIO muxed pins (GP[4]/PWM1). The PINMUX1.PWM1BK

Table 3-38 summarizes the 1 pin in the PWM1 Block, its multiplexed function, and the PINMUX

configurations to select the corresponding function.

Table 3-38. PWM1 Block Muxed Pin Selection

MULTIPLEXED FUNCTIONS

SIGNAL

PWM1

GPIO

NAME

FUNCTION

SELECT

FUNCTION

SELECT

GP[4]/PWM1

PWM1

PWM1BK = 1

GP[4]

PWM1BK = 0

Table 3-39 provides a different view of the PWM1 Block pin muxing, showing the PWM1 Block function

based on PINMUX1.PWM1BK setting. The selection options are also shown pictorially in Figure 3-11.

Table 3-39. PWM1 Block Function Selection

PINMUX1.PWM1BK

BLOCK FUNCTION

RESULTING PIN FUNCTIONS

GPIO (1) (default)

GPIO: GP[4]

PWM1

PWM1: PWM1

In addition, the VDD3P3V_PWDN.PWM1 field determines the power state of the PWM1 Block pin. The

PWM1 Block pin defaults to powered down and not operational. To use this pin, user must first program

VDD3P3V_PWDN.PWM1 = 0 to power up the pin. For more details on the VDD3P3V_PWDN.PWM1 field,

see Section 3.2, Power Considerations.

Device Configurations

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