ATSAM3U2CA-CU Atmel, ATSAM3U2CA-CU Datasheet - Page 337
ATSAM3U2CA-CU
Manufacturer Part Number
ATSAM3U2CA-CU
Description
IC MCU 32BIT 128KB FLSH 100TFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2CA-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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
36K 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
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
36 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
Details
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Manufacturer
Quantity
Price
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23.4.3.2
23.4.4
6430D–ATARM–25-Mar-11
In Application Programming (IAP) Feature
Communication Endpoints
The device also handles some class requests defined in the CDC class.
Table 23-3.
Unhandled requests are STALLed.
There are two communication endpoints and endpoint 0 is used for the enumeration process.
Endpoint 1 is a 64-byte Bulk OUT endpoint and endpoint 2 is a 64-byte Bulk IN endpoint. SAM-
BA Boot commands are sent by the host through endpoint 1. If required, the message is split by
the host into several data payloads by the host driver.
If the command requires a response, the host can send IN transactions to pick up the response.
The IAP feature is a function located in ROM that can be called by any software application.
When called, this function sends the desired FLASH command to the EEFC and waits for the
Flash to be ready (looping while the FRDY bit is not set in the MC_FSR register).
Since this function is executed from ROM, this allows Flash programming (such as sector write)
to be done by code running in Flash.
The IAP function entry point is retrieved by reading the NMI vector in ROM (0x00180008).
This function takes one argument in parameter: the command to be sent to the EEFC.
This function returns the value of the MC_FSR register.
IAP software code example:
Request
SET_LINE_CODING
GET_LINE_CODING
SET_CONTROL_LINE_STATE
(unsigned int) (*IAP_Function)(unsigned long);
void main (void){
/* Initialize the function pointer (retrieve function address from NMI
vector) */
/* Send your data to the sector here */
unsigned long FlashSectorNum = 200; //
unsigned long flash_cmd = 0;
unsigned long flash_status = 0;
unsigned long EFCIndex = 0; // 0:EEFC0, 1: EEFC1
IAP_Function = ((unsigned long) (*)(unsigned long)) 0x00180008;
Handled Class Requests
Definition
Configures DTE rate, stop bits, parity and number of
character bits.
Requests current DTE rate, stop bits, parity and number of
character bits.
RS-232 signal used to tell the DCE device the DTE device
is now present.
SAM3U Series
337
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