ATSAM3S1BA-AU Atmel, ATSAM3S1BA-AU Datasheet - Page 802
![IC MCU 32BIT 64KB FLASH 64LQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATSAM3S1BA-AU
Manufacturer Part Number
ATSAM3S1BA-AU
Description
IC MCU 32BIT 64KB FLASH 64LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S1BA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
47
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 10x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
47
Ram Memory Size
16KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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802
SAM3S Preliminary
The two bus modes (open drain and push/pull) needed to process all the operations are defined
in the HSMCI command register. The HSMCI_CMDR allows a command to be carried out.
For example, to perform an ALL_SEND_CID command:
The command ALL_SEND_CID and the fields and values for the HSMCI_CMDR Control Regis-
ter are described in
Table 35-6.
Note:
Table 35-7.
The HSMCI_ARGR contains the argument field of the command.
To send a command, the user must perform the following steps:
The command is sent immediately after writing the command register.
While the card maintains a busy indication (at the end of a STOP_TRANSMISSION command
CMD12, for example), a new command shall not be sent. The NOTBUSY flag in the status regis-
ter (HSMCI_SR) is asserted when the card releases the busy indication.
If the command requires a response, it can be read in the HSMCI response register
(HSMCI_RSPR). The response size can be from 48 bits up to 136 bits depending on the com-
mand. The HSMCI embeds an error detection to prevent any corrupted data during the transfer.
CMD
CMD Index
CMD2
Field
CMDNB (command number)
RSPTYP (response type)
SPCMD (special command)
OPCMD (open drain command)
MAXLAT (max latency for command to response)
TRCMD (transfer command)
TRDIR (transfer direction)
TRTYP (transfer type)
IOSPCMD (SDIO special command)
• Fill the argument register (HSMCI_ARGR) with the command argument.
• Set the command register (HSMCI_CMDR) (see
bcr means broadcast command with response.
S
T
ALL_SEND_CID Command Description
Fields and Values for HSMCI_CMDR Command Register
Type
bcr
Host Command
Content
Table 35-6
Argument
[31:0] stuff bits
CRC
and
Table
E
Z
35-7.
N
Resp
R2
ID
******
Cycles
Value
2 (CMD2)
2 (R2: 136 bits response)
0 (not a special command)
1
0 (NID cycles ==> 5 cycles)
0 (No transfer)
X (available only in transfer command)
X (available only in transfer command)
0 (not a special command)
Table
Abbreviation
ALL_SEND_CID
Z
35-7).
S
T
Content
CID
Command
Description
Asks all cards to send
their CID numbers on
the CMD line
6500C–ATARM–8-Feb-11
Z
Z
Z
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