DM3725CBC datasheet(132/280 Pages) TI

132 / 280 page

Device

sys_32k

sys_altclk

sys_clkout1

Alternate clock source selectable (48-MHz, 54-MHz)

To quartz (oscillator output) or unconnected

From quartz (oscillator input) or square clock

Clock request. To square clock source or from peripherals

Oscillator

is used

Oscillator

is bypassed

Unconnected

Square

clock

source

To peripherals (from oscillator clock [sys_xtalin]): 12-,13-,

16.8-, 19.2-, 26-, or 38.4-MHz or Core_clk: up to 332 MHz

(possible divider: 4, 8, 16) or DPLL 54-MHz, DPLL 96-MHz

(possible divider: 1, 2, 4, 8, or 16)

GPin

To peripherals (from oscillator clock [sys_xtalin]): 12-,13-,

16.8-, 19.2-, 26-, or 38.4-MHz (no divider)

sys_clkout2

sys_xtalout

sys_xtalin

sys_clkreq

sys_xtalout

sys_xtalin

sys_clkreq

sys_xtalout

sys_xtalin

sys_clkreq

From power IC: 32 768-Hz

SWPS038-006

DM3730, DM3725

SPRS685D

– AUGUST 2010 – REVISED JULY 2011

www.ti.com

Clock Specifications

NOTE

For more information, see the Power, Reset, and Clock Management / PRCM Environment /

External Clock Signal and Power, Reset and Clock Management / PRCM Functional

Description / PRCM Clock Manager Functional Description sections of the AM/DM37x

Multimedia Device Technical Reference Manual (SPRUGN4).

Figure 4-1 shows external input clock sources and output clocks.

Figure 4-1. Clock Interface

132

Clock Specifications

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