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AM1808_11 Datasheet(Fiches technique) 6 Page - Texas Instruments

Numéro de pièce AM1808_11
Description  AM1808 ARM Microprocessor
Télécharger  265 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
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AM1808
SPRS653B
– FEBRUARY 2010 – REVISED APRIL 2011
www.ti.com
Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
This data manual revision history highlights the changes made to the SPRS653A device-specific data
manual to make it an SPRS653B revision. This device is now in the production data (PD) stage of
development.
Revision History
See
ADDITIONS/MODIFICATIONS/DELETIONS
Replaced CLKIN with OSCIN.
Global
Removed EMA_A25.
Section 2.5.1, Pin Map (Bottom View):
Section 2.5
Pin Assignments
Updated pin names in Figure 2-1, Pin Map (Quad A), through Figure 2-4, Pin Map (Quad D).
Table 2-1, Characteristics of the Device:
Section 2
Device Overview
Corrected DDR2 max to 156 MHz and mDDR max to 150 MHz.
Table 2-7, External Memory Interface A (EMIFA) Terminal Functions:
Corrected description for signal A18.
Table 2-9, Serial Peripheral Interface (SPI) Terminal Functions:
Changed signal type to I/O for signal C16, C18, G17, and H17.
Table 2-12, Enhanced Pulse Width Modulator (eHRPWM) Terminal Functions:
Changed signal type to Input for signal A4, C16, and D2.
Section 2.7
Terminal Functions
Table 2-14, Universal Asynchronous Receiver/Transmitter (UART) Terminal Functions:
Updated signal name for signal F4.
Table 2-20, Ethernet Media Access Controller (EMAC) Terminal Functions:
Changed signal type to I/O for signal W18.
Table 2-24, Universal Host-Port Interface (UHPI) Terminal Functions:
Changed signal type to Output for signal R16.
Section 2.8
Added new section.
Unused Pin Configurations
Section 4.1, Absolute Maximum Ratings Over Operating Junction Temperature Range (Unless
Otherwise Noted):
Updated ESD Stress Voltage MAX values.
Section 4.2, Recommended Operating Conditions:
Added DVDD18 under Supply Voltage.
Section 4
Device Operating Condtions
Section 4.3, Notes on Recommended Power-On Hours (POH), added.
Section 4.4, Electrical Characteristics Over Recommended Ranges of Supply Voltage and
Operating Junction Temperature (Unless Otherwise Noted):
Updated parameters for VOH and VOL.
Updated table notes 1 and 3.
Section 5.3.1, Power-On Sequence:
Section 5.3
Power Supplies
Changed VDDA_12_PLL0 to PLL0_VDDA, and VDDA_12_PLL1 to PLL1_VDDA in step 2b.
Section 5.5
Changed last sentence, first paragraph in description.
Crystal Oscillator or External
Table 5-3, OSCIN Timing Requirements for an Externally Driven Clock, added table note.
Clock Input
Section 5.6.1, PLL Device-Specific Information:
Updated PLLn to PLL0 or PLL1, as appropriate in Figure 5-8, PLL External Filtering
Components.
Added paragraph below figure.
Section 5.6
Updated OSCIN area to include DEEPSLEEP Enable in Figure 5-9, PLL Topology.
Clock PLLs
Changed PLLREF MAX value in Table 5-4.
Section 5.6.3, Dynamic Voltage and Frequency Scaling (DVFS):
Updated Maximum internal clock frequency specifications in Table 5-5.
Section 5.7.1.4, AINTC System Interrupt Assignments:
Section 5.7
Interrupts
Updated Interrupt Name and Source columns in Table 5-6.
6
Contents
Copyright
© 2010–2011, Texas Instruments Incorporated
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