AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 577
AT32UC3A3256
Manufacturer Part Number
AT32UC3A3256
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 AT32UC3A3256
Flash (kbytes)
256 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
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 577 of 1012
- Download datasheet (16Mb)
25.6.9.9
25.6.9.10
Figure 25-43. Response Data Length
32072G–11/2011
Break
Sync
Node Action
LIN Response Data Length
Sync
Field
After an identifier transaction, a LIN response mode has to be selected. This is done in the Node
Action field (LINMR.NACT). Below are some response modes exemplified in a small LIN cluster:
The response data length is the number of data fields (bytes), excluding the checksum.
The response data length can be configured, either by the user, or automatically by bits 4 and 5
in the Identifier (IDCHR), in accordance to LIN 1.1. The user selects mode by writing to the Data
Length Mode bit (LINMR.DML):
• PARDIS=0: During header transmission, the parity bits are computed and in the shift register
• PARDIS=1: During header transmission, all the bits in IDCHR are sent on the bus. During
• Response, from master to slave1:
• Response, from slave1 to master:
• Response, from slave1 to slave2:
• DLM=0: the response data length is configured by the user by writing to the 8-bit Data Length
they replace bits six and seven from IDCHR. During header reception, the parity bits are
checked and can generate a LIN Identifier Parity Error (see
seven in IDCHR read as zero when receiving.
header reception, all the bits in IDCHR are updated with the received Identifier.
Control field (LINMR.DLC). The response data length equals DLC + 1 bytes.
Master: NACT=PUBLISH
Slave1: NACT=SUBSCRIBE
Slave2: NACT=IGNORE
Master: NACT=SUBSCRIBE
Slave1: NACT=PUBLISH
Slave2: NACT=IGNORE
Master: NACT=IGNORE
Slave1: NACT=PUBLISH
Slave2: NACT=SUBSCRIBE
Identifier
Field
Data
Field
User configuration: 1 - 256 data fields (DLC+1)
Identifier configuration: 2/4/8 data fields
Data
Field
Field
Data
Section
25.6.10). Bits six and
Data
Field
Checksum
Field
577
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