ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 452
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ATUC64L4U
Manufacturer Part Number
ATUC64L4U
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.ATUC128L4U.pdf
(960 pages)
4.ATUC128L4U.pdf
(92 pages)
Specifications of ATUC64L4U
Flash (kbytes)
64 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATUC64L4U-D3HR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATUC64L4U-H
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATUC64L4U-U
Manufacturer:
ATMEL
Quantity:
20
Part Number:
ATUC64L4U-ZUT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- ATUC128L4U PDF datasheet #3
- ATUC128L4U PDF datasheet #4
- Current page: 452 of 960
- Download datasheet (15Mb)
20.6.5.8
32142A–12/2011
Identifier Parity
The following formula is used to calculate synchronization deviation, where F
slave node clock frequency, and F
ing to the LIN specification, F
nodes must be within ±2% of each other, resulting in a maximal BaudRate_deviation of ±1%.
Minimum nominal clock frequency with a fractional part:
Examples:
If the fractional part is not used, the synchronization accuracy is much lower. The 16 most signif-
icant bits, added with the first least significant bit, becomes the new clock divider (CD). The
equation of the baud rate deviation is the same as above, but the constants are:
Minimum nominal clock frequency without a fractional part:
Examples:
An identifier field consists of two sub-fields; the identifier and its parity. Bits 0 to 5 are assigned
to the identifier, while bits 6 and 7 are assigned to parity. Automatic parity management is dis-
abled by writing a one to the Parity Disable bit in the LIN Mode register (LINMR.PARDIS).
• The oversampling mode (OVER=0 => 16x, or OVER=1 => 8x)
• Baud rate = 20 kbit/s, OVER=0 (Oversampling 16x) => F
• Baud rate = 20 kbit/s, OVER=1 (Oversampling 8x) => F
• Baud rate = 1 kbit/s, OVER=0 (Oversampling 16x) => F
• Baud rate = 1 kbit/s, OVER=1 (Oversampling 8x) => F
• Baud rate = 20 kbit/s, OVER=0 (Oversampling 16x) => F
• Baud rate = 20 kbit/s, OVER=1 (Oversampling 8x) => F
• Baud rate = 1 kbit/s, OVER=0 (Oversampling 16x) => F
• Baud rate = 1 kbit/s, OVER=1 (Oversampling 8x) => F
BaudRate_deviation
BaudRate_deviation
F
F
Nom
Nom
min
min
=
=
⎛
⎜
⎜
⎜
⎝
100
⎛
⎜
⎜
⎜
⎝
TOL_UNSYNCH
100
–
–
4
0,5
---------------------------------------------------------------------------------------------- -
TOL_UNSYNC
4 8
=
=
------------------------------------------------------------------------------------------------------ -
0,5
⎛
⎝
⎛
⎜
⎜
⎜
⎝
+4
100
100
+0,5
8
may not exceed ±15%, and the bit rates between two
2 OVER
8
–
-1
⎛
⎝
is the difference between F
-------------------------------------------------------------------------------------------------- -
-------------------------------------------------------------------------------------------------- -
–
--------- -
100
8
15
2 OVER
-1
–
⎛
⎝
+
8
8
–
--------- -
100
+1
8
1
15
+
⎞
⎠
ATUC64/128/256L3/4U
1
⎛
⎝
2 OVER
2 OVER
+
1%
F
----------------------------------- -
+1
–
–
1
Nom
Nom
TOL_UNSYNC
Baudrate
⎞
⎠
+
Nom
Nom
Nom
Nom
8
Nom
Nom
1
(min) = 74 kHz
(min) = 485 kHz
100
1%
(min) = 1.47 MHz
(min) = 132 kHz
(min) = 9.71 MHz
(min) = 956 kHz
F
(min) = 2.64 MHz
(min) = 19.12 MHz
SLAVE
BaudRate
⎞
⎟
⎟
⎟
⎠
+
+
Hz
⎞ xF
⎠
Nom
BaudRate
BaudRate
Nom
⎞
⎟
⎟
⎟
⎠
Hz
and F
SLAVE
SLAVE
⎞ %
⎠
⎞
⎟
⎟
⎟
⎠
%
is the real
Accord-
452
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