ATSAM3U1CA-CU Atmel, ATSAM3U1CA-CU Datasheet - Page 809
ATSAM3U1CA-CU
Manufacturer Part Number
ATSAM3U1CA-CU
Description
IC MCU 32BIT 64KB FLASH 100TFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U1CA-CU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
96MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
57
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
20K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b, 4x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TFBGA
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
20 KB
Interface Type
3xUSART, TWI, 4xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
57
Number Of Timers
8
Operating Supply Voltage
1.62 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3U-EK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
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6430D–ATARM–25-Mar-11
The following flowchart shows how to send a command to the card and read the response if
needed. In this example, the status register bits are polled but setting the appropriate bits in the
interrupt enable register (HSMCI_IER) allows using an interrupt method.
Figure 37-7. Command/Response Functional Flow Diagram
Note:
1. If the command is SEND_OP_COND, the CRC error flag is always present (refer to R3
response in the High Speed MultiMedia Card specification).
Check error bits in the
Wait for command
status register
ready status flag
(1)
HSMCI_ARGR = Argument
Set the command argument
HSMCI_CMDR = Command
Read response if required
Does the command involve
Status error flags?
Set the command
Read HSMCI_SR
Read HSMCI_SR
a busy indication?
RETURN OK
NOTBUSY
CMDRDY
1
1
(1)
RETURN ERROR
Yes
No
0
RETURN OK
0
SAM3U Series
(1)
809
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