AT32UC3A3128-ALUT Atmel, AT32UC3A3128-ALUT Datasheet - Page 188
![IC MCU 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
AT32UC3A3128-ALUT
Manufacturer Part Number
AT32UC3A3128-ALUT
Description
IC MCU 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3A3128-ALUT
Core Processor
AVR
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB OTG
Peripherals
Brown-out Detect/Reset, DMA, POR, WDT
Number Of I /o
110
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
96 KB
Interface Type
IrDA/SCI/SCIF/UDI
Maximum Clock Frequency
66 MHz
Number Of Timers
3
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL, KSK-EVK1100-PL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1104
Minimum Operating Temperature
- 40 C
Controller Family/series
AT32UC3A
No. Of I/o's
109
Ram Memory Size
32KB
Cpu Speed
66MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATEVK1104 - KIT DEV/EVAL FOR AVR32 AT32UC3AATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATEVK1100 - KIT DEV/EVAL FOR AVR32 AT32UC3A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A3128-ALUT
Manufacturer:
Atmel
Quantity:
135
- Current page: 188 of 1014
- Download datasheet (16Mb)
15.6.4.5
32072C–AVR32–2010/03
Write mode
•Null delay setup and hold
•Null pulse
•Write is controlled by NWE (MODE.WRITEMODE = 1)
If null setup parameters are programmed for NWE and/or NCS, NWE and/or NCS remain active
continuously in case of consecutive write cycles in the same memory (see
188). However, for devices that perform write operations on the rising edge of NWE or NCS,
such as SRAM, either a setup or a hold must be programmed.
Figure 15-12. Null Setup and Hold Values of NCS and NWE in Write Cycle
Programming null pulse is not permitted. Pulse must be at least written to one. A null value leads
to unpredictable behavior.
The Write Mode bit in the MODE register (MODE.WRITEMODE) of the corresponding chip
select indicates which signal controls the write operation.
Figure 15-13 on page 189
equal to one. The data is put on the bus during the pulse and hold steps of the NWE signal. The
internal data buffers are turned out after the NWESETUP time, and until the end of the write
cycle, regardless of the programmed waveform on NCS.
NBS0, NBS1,
A[AD_MSB:2]
NWE0, NWE1
A0, A1
CLK_SMC
NWE,
NCS
D[15:0]
NCSWRSETUP
NWECYCLE
NWESETUP
shows the waveforms of a write operation with MODE.WRITEMODE
NWEPULSE
NCSWRPULSE
NWECYCLE
NCSWRPULSE
NWECYCLE
NWEPULSE
AT32UC3A3/A4
Figure 15-12 on page
Page
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