AT32UC3A364 Atmel Corporation, AT32UC3A364 Datasheet - Page 584
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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: 584 of 1012
- Download datasheet (16Mb)
25.6.12.2
Figure 25-53. Slave Node with Peripheral DMA Controller
25.6.13
25.6.14
32072G–11/2011
WRITE BUFFER
DA TA 0
DA TA N
|
|
|
|
Wake-up Request
Bus Idle Time-out
Slave Node Configuration
Peripheral DMA
Controller
In this mode, the Peripheral DMA Controller transfers only data. The user reads the Identifier
from LINIR, and selects LIN mode by writing to LINMR. When NACT=PUBLISH the data is in the
write buffer, while the read buffer contains the data when NACT=SUBSCRIBE.
IMPORTANT: if in slave mode, NACT is already configured correctly as PUBLISH, the LINMR
register must still be written with this value in order to set TXRDY, and to request the corre-
sponding Peripheral DMA Controller write transfer.
Any node in a sleeping LIN cluster may request a wake-up. By writing to the Wakeup Signal
Type bit (LINMR.WKUPTYP), the user can choose to send either a LIN 1.3 (WKUPTYP=1), or a
LIN 2.0 (WKUPTYP=0) compliant wakeup request. Writing a one to the Send LIN Wakeup Sig-
nal bit (CR.LINWKUP), transmits a wakeup, and when completed sets LINTC.
According to LIN 1.3, the wakeup request should be generated with the character 0x80 in order
to impose eight successive dominant bits.
According to LIN 2.0, the wakeup request is issued by forcing the bus into the dominant state for
250µs to 5ms. Sending the character 0xF0 does this, regardless of baud rate.
LIN bus inactivity should eventually cause slaves to time-out and enter sleep mode. LIN 1.3
specifies this to 25000 bit periods, whilst LIN 2.0 specifies 4seconds. For the time-out counter
operation see
Table 25-15. Receiver Time-out Values (RTOR.TO)
• Baud rate max = 20 kbit/s -> one bit period = 50µs -> five bit periods = 250µs
• Baud rate min = 1 kbit/s -> one bit period = 1ms -> five bit periods = 5ms
LIN Specification
P eriphe ral
TXRDY
2.0
1.3
bus
Section 25.6.3.11 ”Receiver Time-out” on page
CONTROLLER
USART LIN
19 200 bit/s
20 000 bit/s
Baud Rate
1 000 bit/s
2 400 bit/s
9 600 bit/s
-
READ BUFFER
DATA 0
DA TA N
|
|
|
|
25 000 bit periods
Time-out period
4s
Peripheral DMA
Controller
562.
P eripheral
RXRDY
Bus
38 400
76 800
80 000
25 000
4 000
9 600
NACT = SUBSCRIBE
TO
CONTROLLER
USART LIN
584
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