ATSAM3U2EA-CU Atmel, ATSAM3U2EA-CU Datasheet - Page 382
ATSAM3U2EA-CU
Manufacturer Part Number
ATSAM3U2EA-CU
Description
IC MCU 32BIT 128KB FLSH 144LFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2EA-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
96
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 8x10b, 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LFBGA
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
36 KB
Interface Type
4xUSART, 2xTWI, 5xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
96
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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25.15.2
Figure 25-29. Clock Rate Transition Occurs while the SMC is Performing a Write Operation
382
382
internal signal from PMC
SAM3U Series
SAM3U Series
Switching from (to) Slow Clock Mode to (from) Normal Mode
Slow Clock Mode
NBS0, NBS1,
A0, A1
This write cycle finishes with the slow clock mode set
A [23:2]
NWE
MCK
NCS
of parameters after the clock rate transition
When switching from slow clock mode to normal mode, the current slow clock mode transfer is
completed at high clock rate, with the set of slow clock mode parameters. See
external device may not be fast enough to support such timings.
Figure 25-30
other.
SLOW CLOCK MODE WRITE
1
NWE_CYCLE = 3
illustrates the recommended procedure to properly switch from one mode to the
1
1
SLOW CLOCK MODE WRITE
1
1
Slow clock mode transition is detected:
1
Reload Configuration Wait State
2
NORMAL MODE WRITE
NWE_CYCLE = 7
3
6430D–ATARM–25-Mar-11
6430D–ATARM–25-Mar-11
2
Figure
25-29. The
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