AM3892 datasheet(77/299 Pages) TI

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AM3894

AM3892

www.ti.com

SPRS681A – OCTOBER 2010 – REVISED MARCH 2011

3.2.16 Timer Signals

Table 3-19. Timer Terminal Functions

SIGNAL

TYPE(1)

OTHER(2) (3)

MUXED

DESCRIPTION

NAME

NO.

General-Purpose Timers7-1 and Watchdog Timer

PULL: IPD / IPD

GP0[3]/

GP0

J31

DRIVE: Z / Z

Timer external clock input

TCLKIN

PINCTRL294

DVDD_3P3

Timer7

TIM7_OUT/

PULL: IPD / IPD

GPMC, GP0

GPMC_A[12]/

I/O

DRIVE: L / L

Timer7 capture event input or PWM output

PINCTRL206

GP0[31]

DVDD_3P3

Timer6

TIM6_OUT/

PULL: IPD / IPD

GPMC, GP0

GPMC_A[24]/

I/O

DRIVE: L / L

Timer6 capture event input or PWM output

PINCTRL205

GP0[30]

DVDD_3P3

Timer5

PULL: IPD / IPD

TIM5_OUT/

GP0

H34

I/O

DRIVE: L / L

Timer5 capture event input or PWM output

GP0[29]

PINCTRL204

DVDD_3P3

Timer4

PULL: IPD / IPD

TIM4_OUT/

GP0

H33

I/O

DRIVE: L / L

Timer4 capture event input or PWM output

GP0[28]

PINCTRL203

DVDD_3P3

Timer3-1

There are no external pins on these timers for this device.

Watchdog Timer

PULL: IPU / IPU

WD_OUT

H36

DRIVE: H / L

Watchdog timer event output

PINCTRL319

DVDD_3P3

(1)

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

(2)

PULL: A / B, where:

A is the state of the internal pull resistor during POR reset

B is the state of the internal pull resistor after POR and Warm reset are de-asserted and during Warm reset

IPD = Internal Pulldown Enabled, IPU = Internal Pullup Enabled, DIS = Internal Pull Disabled

DRIVE: A / B, where;

A is the driving state of the pin during POR reset

B is the driving state of the pin after POR and Warm reset are de-asserted and during Warm reset

H = Driving High, L = Driving Low, Z = 3-State

For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see

Section 4.2.1, Pullup/Pulldown Resistors.

(3)

Specifies the operating I/O supply voltage for each signal.

Device Pins

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