AT32UC3A364 Atmel Corporation, AT32UC3A364 Datasheet - Page 448
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AT32UC3A364
Manufacturer Part Number
AT32UC3A364
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A364
Flash (kbytes)
64 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3A364-ALU
Manufacturer:
ATMEL
Quantity:
230
Company:
Part Number:
AT32UC3A364-ALUR
Manufacturer:
AVAGO
Quantity:
11 439
Part Number:
AT32UC3A364S-ALUT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 448 of 1012
- Download datasheet (16Mb)
22.8.2.2
22.8.2.3
32072G–11/2011
Address Matching
Setting Up and Performing a Transfer
TTOUT: Prescaled clock cycles used to time SMBUS timeout T
SUDAT: Non-prescaled clock cycles for data setup and hold count. Used to time T
EXP: Specifies the clock prescaler setting used for the SMBUS timeouts.
Figure 22-6. Bus Timing Diagram
Operation of the TWIS is mainly controlled by the Control Register (CR). The following list pres-
ents the main steps in a typical communication:
The interrupt system can be set up to generate interrupt request on specific events or error con-
ditions, for example when a byte has been received.
The NBYTES register is only used in SMBus mode, when PEC is enabled. In I²C mode or in
SMBus mode when PEC is disabled, the NBYTES register is not used, and should be written to
zero. NBYTES is updated by hardware, so in order to avoid hazards, software updates of
NBYTES can only be done through writes to the NBYTES register.
The TWIS can be set up to match several different addresses. More than one address match
may be enabled simultaneously, allowing the TWIS to be assigned to several addresses. The
address matching phase is initiated after a START or REPEATED START condition. When the
TWIS receives an address that generates an address match, an ACK is automatically returned
to the master.
4. Before any transfers can be performed, bus timings must be configured by writing to
5. The Control Register (CR) must be configured with information such as the slave
the Timing Register (TR).If the Peripheral DMA Controller is to be used for the trans-
fers, it must be set up.
address, SMBus mode, Packet Error Checking (PEC), number of bytes to transfer, and
which addresses to match.
S
t
t LOW
HD:STA
t
SU:DAT
t HIGH
t
HD:DAT
t LOW
t
t
SU:DAT
SU:STA
Sr
TIMEOUT
.
t
SU:STO
SU_DAT
P
.
448
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