ATSAM3A 查看數據表（PDF） - Atmel Corporation
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ATSAM3A Datasheet PDF : 71 Pages
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SAM3X/A
1.1
Configuration Summary
The SAM3X/A series devices differ in memory sizes, package and features list. Table 1-1 below
summarizes the configurations.
Table 1-1. Configuration Summary
Feature
Flash
SAM3X8E
SAM3X8C
SAM3X4E
SAM3X4C
SAM3A8C
SAM3A4C
2 x 256 Kbytes 2 x 256 Kbytes 2 x 128 Kbytes 2 x 128 Kbytes 2 x 256 Kbytes 2 x 128 Kbytes
SRAM
64 + 32 Kbytes 64 + 32 Kbytes 32 + 32 Kbytes 32 + 32 Kbytes 64 + 32 Kbytes
32 + 32
Kbytes
Nand Flash
Controller
(NFC)
NFC SRAM(1)
Package
Number of
PIOs
Yes
4K bytes
LQFP144
LFBGA144
103
-
-
LQFP100
LFBGA100
63
Yes
4K bytes
LQFP144
LFBGA144
103
-
-
LQFP100
LFBGA100
63
-
-
LQFP100
LFBGA100
63
-
-
LQFP100
LFBGA100
63
SHDN
Pin
Yes
No
Yes
No
No
No
EMAC
MII/RMII
RMII
MII/RMII
RMII
-
-
External
16-bit data,
16-bit data,
Bus
8 chip selects,
-
8 chip selects,
-
-
-
Interface 23-bit address
23-bit address
Central DMA
12-bit ADC
12-bit DAC
32-bit Timer
6
16 ch.(2)
2 ch.
9(5)
4
16 ch.(2)
2 ch.
9(6)
6
16 ch.(2)
2 ch.
9(5)
4
16 ch.(2)
2 ch.
9(6)
4
16 ch.(2)
2 ch.
9(5)
4
16 ch.(2)
2 ch.
9(5)
PDC
Channels
USART/
UART
SPI (3)
17
3/2(7)
1/4 + 3
15
3/1
1/4 + 3
17
3/2(7)
1/4 + 3
15
3/1
1/4 + 3
15
3/1
1/4 + 3
15
3/1
1/4 + 3
HSMCI
1 slot
8 bits
1 slot
4 bits
1 slot
8 bits
1 slot
4 bits
1 slot
4 bits
1 slot
4 bits
Notes:
1. 4 Kbytes RAM buffer of the NAND Flash Controller (NFC) which can be used by the core if not
used by the NFC
2. One channel is reserved for internal temperature sensor
3. 2 / 8 + 4 = Number of SPI Controllers / Number of Chip Selects + Number of USART with SPI
Mode
4. 9 TC channels are accessible through PIO
5. 6 TC channels are accessible through PIO
6. 3 TC channels are accessible through PIO
7. USART3 in UART mode (RXD3 and TXD3 available)
5
11057BS–ATARM–13-Jul-12
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