SAM7X512 Просмотр технического описания (PDF) - Atmel Corporation
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SAM7X512 Datasheet PDF : 44 Pages
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SAM7X512/256/128 Summary
Table 3-1. Signal Description List (Continued)
Signal Name
Function
Type
Active
Level
Analog-to-Digital Converter
AD0-AD3
Analog Inputs
Analog
AD4-AD7
Analog Inputs
Analog
ADTRG
ADC Trigger
Input
ADVREF
ADC Reference
Analog
Fast Flash Programming Interface
PGMEN0-PGMEN1
Programming Enabling
Input
PGMM0-PGMM3
Programming Mode
Input
PGMD0-PGMD15
Programming Data
I/O
PGMRDY
Programming Ready
Output
High
PGMNVALID
Data Direction
Output
Low
PGMNOE
Programming Read
Input
Low
PGMCK
Programming Clock
Input
PGMNCMD
Programming Command
Input
Low
CAN Controller
CANRX
CAN Input
Input
CANTX
CAN Output
Output
Ethernet MAC 10/100
EREFCK
Reference Clock
Input
ETXCK
Transmit Clock
Input
ERXCK
Receive Clock
Input
ETXEN
Transmit Enable
Output
ETX0 - ETX3
Transmit Data
Output
ETXER
Transmit Coding Error
Output
ERXDV
Receive Data Valid
Input
ECRSDV
Carrier Sense and Data Valid
Input
ERX0 - ERX3
Receive Data
Input
ERXER
Receive Error
Input
ECRS
Carrier Sense
Input
ECOL
Collision Detected
Input
EMDC
Management Data Clock
Output
EMDIO
Management Data Input/Output
I/O
EF100
Force 100 Mbits/sec.
Output
High
Note: 1. Refer to Section 6. ”I/O Lines Considerations”.
Comments
Digital pulled-up inputs at reset
Analog Inputs
RMII only
MII only
MII only
ETX0 - ETX1 only in RMII
MII only
MII only
RMII only
ERX0 - ERX1 only in RMII
MII only
MII only
RMII only
7
6120GS–ATARM–07-Apr-11
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