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| AM1802 Datasheet, PDF (38/180 Pages) Texas Instruments – AM1802 ARM Microprocessor | |||
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AM1802
SPRS710C â NOVEMBER 2010 â REVISED MARCH 2012
Table 2-21. Unused USB0 Signal Configurations (continued)
SIGNAL NAME
USB0_DRVVBUS
USB0_VDDA33
USB0_VDDA18
USB0_VDDA12
USB_REFCLKIN
USB_CVDD
Configuration (When USB0 is not used)
No Connect
No Connect
No Connect
No Connect
No Connect or other peripheral function
1.2V
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SIGNAL NAME
RTC_XI
RTC_XO
RTC_ALARM
RTC_CVDD
RTC_VSS
Table 2-22. Unused RTC Signal Configuration
Configuration
May be held high (CVDD) or low
No Connect
May be used as GPIO or other peripheral function
Connect to CVDD
VSS
Table 2-23. Unused DDR2/mDDR Controller Signal Configuration
SIGNAL NAME
Configuration (1)
DDR_D[15:0]
No Connect
DDR_A[13:0]
No Connect
DDR_CLKP
No Connect
DDR_CLKN
No Connect
DDR_CKE
No Connect
DDR_WE
No Connect
DDR_RAS
No Connect
DDR_CAS
No Connect
DDS_CS
No Connect
DDR_DQM[1:0]
No Connect
DDR_DQS[1:0]
No Connect
DDR_BA[2:0]
No Connect
DDR_DQGATE0
No Connect
DDR_DQGATE1
No Connect
DDR_ZP
No Connect
DDR_VREF
No Connect
DDR_DVDD18
No Connect
(1) To minimize power consumption, the DDR2/mDDR controller input receivers should be placed in power-down mode by setting
VTPIO[14]=1.
38
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