DM385 datasheet(84/280 Pages) TI1

84 / 280 page

DM385, DM388

SPRS821D – MARCH 2013 – REVISED DECEMBER 2013

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3.3.14 Oscillator/PLL, Audio Reference Clocks, and Clock Generator

3.3.14.1

Audio Reference Clocks

Table 3-30. Audio Reference Clocks Terminal Functions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

AAR BALL [4]

AUD_CLKIN0

Audio Reference Clock 0 for Audio Peripherals

AF31

AUD_CLKIN1

Audio Reference Clock 1 for Audio Peripherals

AF27

AUD_CLKIN2

Audio Reference Clock 2 for Audio Peripherals

AG30

3.3.14.2 CLOCK GENERATOR

Table 3-31. Clock Generator Terminal Functions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

AAR BALL [4]

CLKOUT0

Device Clock output 0. Can be used as a system clock

AJ31, H12

for other devices.

CLKOUT1

Device Clock output 1. Can be used as a system clock

AB9, J16

for other devices.

3.3.14.3 OSCILLATOR/PLL

Table 3-32. Oscillator/PLL Terminal Functions

SIGNAL NAME [1]

DESCRIPTION [2]

TYPE [3]

AAR BALL [4]

AUXOSC_MXI

Auxiliary Crystal input [Optional Audio/Video Reference

V30

Crystal Input]. Crystal connection to internal oscillator for

auxiliary clock. Functions as AUX_CLKIN clock input

when an external oscillator is used. If neither a crystal or

external clock is used, this pin should be connected to

ground.

AUXOSC_MXO

Auxiliary Crystal output [Optional Audio/Video Reference

U31

Crystal Output]. When auxiliary oscillator is BYPASSED,

leave this pin unconnected.

CLKIN32

RTC Clock input. Optional 32.768 KHz clock for RTC

AJ31

reference.

DEVOSC_MXI

Device Crystal input. Crystal connection to internal

F30

oscillator for system clock. Functions as DEV_CLKIN

clock input when an external oscillator is used.

DEVOSC_MXO

Device Crystal output. Crystal connection to internal

G31

oscillator for system clock. When device oscillator is

BYPASSED, leave this pin unconnected.

DEVOSC_WAKE

Oscillator Wake-up input

U28

DEV_CLKIN

Clock input when an external oscillator is used

F30

Device Pins

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