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AM6548BACDXEAF Datasheet(PDF) 158 Page - Texas Instruments

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Part # AM6548BACDXEAF
Description  AM654x, AM652x Sitara??Processors Silicon Revision 2.1
PDF  282 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM6548BACDXEAF Datasheet(HTML) 158 Page - Texas Instruments

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VDDS_OSC1
OSC1_XO
t
sX
Time
VSS
VDDS_OSC1 (min.)
VDD_CORE (min.)
VSS
VDD_CORE
Figure 7-21. OSC1 Start-up Time
7.9.4.1.4 Auxiliary OSC1 LVCMOS Digital Clock Source
Figure 7-22 shows the recommended oscillator connections when OSC1 is connected to an LVCMOS square-
wave digital clock source The 1.8-V LVCMOS-Compatible clock source is connected to the OSC1_XI pin. In
this mode of operation, the OSC1_XO pin is left unconnected and should not be used to source any external
components.
VSS
Device
OSC1_XO
OSC1_XI
NC
SPRSP08_CLK_01
PCB Ground
Figure 7-22. 1.8-V LVCMOS-Compatible Clock Input
Table 7-20 summarizes the OSC1 input clock electrical characteristics.
Table 7-20. OSC1 Switching Characteristics – Crystal Mode
NAME
DESCRIPTION
MIN
TYP
MAX
UNIT
f
Frequency
19.2, 20, 24, 25, 26, 27
MHz
CIN
Input capacitance
2.184
2.384
2.584
pF
IIN
Input current (3.3V mode)
4
6
10
µA
Table 7-21 details the OSC1 input clock timing requirements.
Table 7-21. OSC1 Input Clock Timing Requirements
NAME
DESCRIPTION
MIN
TYP
MAX
UNIT
CK0
1 / tc(OSC1_XI)
Frequency, OSC1_XI
19.2, 20, 24, 25, 26, 27
MHz
AM6548, AM6528, AM6526
SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021
www.ti.com
158
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: AM6548 AM6528 AM6526



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