AT32UC3B164 Atmel Corporation, AT32UC3B164 Datasheet - Page 308
AT32UC3B164
Manufacturer Part Number
AT32UC3B164
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3B0128.pdf
(684 pages)
5.AT32UC3B0128.pdf
(107 pages)
Specifications of AT32UC3B164
Flash (kbytes)
64 Kbytes
Pin Count
48
Max. Operating Frequency
60 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
28
Ext Interrupts
28
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
1
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
6
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0-3.6 or (1.65-1.95+3.0-3.6)
Operating Voltage (vcc)
3.0-3.6 or (1.65-1.95+3.0-3.6)
Fpu
No
Mpu / Mmu
Yes / No
Timers
10
Output Compare Channels
16
Input Capture Channels
6
Pwm Channels
13
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT32UC3B164-Z1UT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3B0128 PDF datasheet #4
- AT32UC3B0128 PDF datasheet #5
- Current page: 308 of 684
- Download datasheet (11Mb)
21.6.4.4
32059L–AVR32–01/2012
Manchester Decoder
nization mechanism will only consider one stop bit, regardless of the used protocol, and when
the first stop bit has been sampled, the receiver will automatically begin looking for a new start
bit, enabling resynchronization even if there is a protocol miss-match.
21-12
Figure 21-11. Asynchronous Start Bit Detection
Figure 21-12. Asynchronous Character Reception
When MR.MAN is one, the Manchester endec is enabled. The decoder can detect selectable
preamble sequences and start frame delimiters. The Receiver Manchester Polarity bit
(MAN.RX_MPOL) selects input stream polarity. The Receiver Preamble Length field
(MAN.RX_PL) specifies the length characteristics of detectable preambles, and if written to zero
the preamble pattern detection will be disabled. The Receiver Preamble Pattern field
(MAN.RX_PP) selects the pattern to be detected. See
terns.
The Manchester endec uses the same Start Frame Delimiter Selector (MR.ONEBIT) for both
encoder and decoder. If ONEBIT is one, only a Manchester encoded zero will be accepted as a
valid start frame delimiter. If ONEBIT is zero, a data or command sync pattern will be expected.
The Received Sync bit in the Receive Holding Register (RHR.RXSYNH) will be zero if it is a data
sync, and a one if it is a command sync.
Clock (x16)
Baud Rate
Sampling
Sampling
Sampling
Baud Rate
Example: 8-bit, Parity Enabled
Detection
illustrate start bit detection and character reception in asynchronous mode.
Clock
Figure 21-13
RXD
RXD
Start
Clock
RXD
1
1
2
2
illustrates two types of Manchester preamble pattern mismatches.
samples
3
3
16
4
4
D0
5
5
samples
16
6
6
D1
7
Detection
7
Rejection
samples
Start
Start
16
8
0
D2
1
1
samples
16
2
2
3
3
D3
samples
4
4
16
5
D4
samples
Figure 21-8
6
16
7
D5
samples
8
16
9 10 11 12 13 14 15 16
D6
samples
for available preamble pat-
16
Figure 21-11
D7
samples
16
Parity
Bit
samples
16
and
Stop
Bit
Sampling
Figure
D0
308
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