ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 397
ATSAM3X4EA-AU
Manufacturer Part Number
ATSAM3X4EA-AU
Description
ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
Manufacturer
Atmel
Datasheet
1.ATSAM3X8EA-AU.pdf
(1467 pages)
Specifications of ATSAM3X4EA-AU
Rohs
yes
Core
ARM Cortex M3
Processor Series
SAM3X
Data Bus Width
32 bit
Maximum Clock Frequency
84 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 3.6 V
Operating Temperature Range
- 40 C to +85 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Factory Pack Quantity
60
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25.4
Table 25-1.
11057B–ATARM–28-May-12
11057B–ATARM–28-May-12
Name
D[15:0]
A[23:0]
NCS[7:0]
NWR0/NWE
NRD
NWR1/NBS1
A0/NBS0
NWAIT
NCS[7:0]
NANDOE
NANDWE
NANDCLE
NANDALE
NANDRDY
SDCK
SDCKE
SDCS
BA[1:0]
SDWE
RAS - CAS
NBS[1:0]
SDA10
I/O Lines Description
I/O Lines Description
The connection of some signals through the Mux logic is not direct and depends on the Memory
Controller in use at the moment.
Table 25-2
Table 25-2.
EBI Pins
NWR1/NBS1
A0/NBS0
A1
Data Bus
Address Bus
Chip Select Lines
Write Signals
Read Signal
Write Enable/Upper Byte Select
External Wait Signal
Chip Select Lines
NAND Flash Output Enable
NAND Flash Write Enable
NAND Flash Command Line Enable
NAND Flash Address Line Enable
NAND Flash Ready/Busy
SDRAM Clock
SDRAM Clock Enable
SDRAM Controller Chip Select Line
Bank Select
Row and Column Signal
Function
Lower Byte Select
SDRAM Write Enable
Byte Mask Signals
SDRAM Address 10 Line
details the connections between the two Memory Controllers and the bus pins.
External Memory Bus Pins and Memory Controllers I/O Lines Connections
Static Memory Controller (SMC)
NAND Flash Controller (NFC)
SDR-SDRAM Controller
External Memory Bus
SDRAMC I/O Lines
NBS1
Not Supported
Not Supported
SMC I/O Lines
NWR1/NBS1
A0/NBS0
A1
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Input
Input
I/O
SAM3X/A
SAM3X/A
Active Level
High
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
Low
397
397
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