AT32UC3B0256 Atmel Corporation, AT32UC3B0256 Datasheet - Page 280

• Manufacturer Part Number: AT32UC3B0256
• Manufacturer: Atmel Corporation

Specifications of AT32UC3B0256

• Flash (kbytes): 256 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 60 MHz
• Cpu: 32-bit AVR
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 44
• Ext Interrupts: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device + OTG
• Spi: 4
• Twi (i2c): 1
• Uart: 3
• Ssc: 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
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• 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

20.9.4
Name:
Access Type:
Offset:
Reset value:
• FSLENHI: Receive Frame Sync Length High Part
• FSEDGE: Receive Frame Sync Edge Detection
• FSOS: Receive Frame Sync Output Selection
• FSLEN: Receive Frame Sync Length
32059L–AVR32–01/2012
MSBF
FSEDGE
31
23
15
Others
FSOS
7
-
-
The four MSB of the FSLEN field.
Determines which edge on Frame Sync will generate the SR.RXSYN interrupt.
This field defines the length of the Receive Frame Sync signal and the number of bits sampled and stored in the RSHR register.
When this mode is selected by the RCMR.START field, it also determines the length of the sampled data to be compared to the
Compare 0 or Compare 1 register.
Note: The four most significant bits for this field are located in the FSLENHI field.
The pulse length is equal to ({FSLENHI,FSLEN} + 1) receive clock periods. Thus, if {FSLENHI,FSLEN} is zero, the Receive
Frame Sync signal is generated during one receive clock period.
0
1
2
3
4
5
0
1
Receive Frame Mode Register
Frame Sync Edge Detection
Positive edge detection
Negative edge detection
Selected Receive Frame Sync Signal
None
Negative Pulse
Positive Pulse
Driven Low during data transfer
Driven High during data transfer
Toggling at each start of data transfer
Reserved
30
22
14
6
-
-
RFMR
Read/Write
0x14
0x00000000
FSLENHI
FSOS
LOOP
29
21
13
5
-
28
20
12
4
-
27
19
11
3
-
RX_FRAME_SYNC Pin
Undefined
Input-only
DATLEN
Output
Output
Output
Output
Output
26
18
10
2
-
DATNB
FSLEN
25
17
9
1
-
FSEDGE
24
16
8
0
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