AT32UC3A4128 Atmel Corporation, AT32UC3A4128 Datasheet - Page 519

• Manufacturer Part Number: AT32UC3A4128
• Manufacturer: Atmel Corporation

Specifications of AT32UC3A4128

• Flash (kbytes): 128 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 66 MHz
• Cpu: 32-bit AVR
• Hardware Qtouch Acquisition: No
• Usb Transceiver: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device + OTG
• Spi: 6
• Twi (i2c): 2
• Uart: 4
• Sd / Emmc: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 128
• Self Program Memory: YES
• Dram Memory: No
• 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: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Figure 24-13. Transmit and Receive Frame Format in Edge/Pulse Start Modes
32072G–11/2011
RX_FRAME_SYNC
TX_FRAME_SYNC
(If FSDEN = 1)
(If FSDEN = 0)
RX_DATA
TX_DATA
TX_DATA
/
Start
(1)
Table 24-3.
Note:
Figure 24-14. Transmit Frame Format in Continuous Mode
Note:
Transmitter
From TSHR
Sync Data
Sync Data
To RSHR
TFMR
TFMR
TFMR
TFMR
TFMR
TFMR
FSLEN
Example of input on falling edge of TX_FRAME_SYNC/RX_FRAME_SYNC.
STTDLY is written to zero. In this example, THR is loaded twice. FSDEN value has no effect on
the transmission. SyncData cannot be output in continuous mode.
From DATDEF
STTDLY
Default
Data Framing Format Registers
From DATDEF
Receiver
Default
Ignored
RFMR
RFMR
RFMR
RFMR
TX_DATA
Start: 1. TXEMPTY set to one
{FSLENHI,FSLEN}
From THR
2. Write into the THR
From THR
DATLEN
Start
To RHR
Bit/Field
DATDEF
DATLEN
Data
Data
Data
FSDEN
PERIOD
DATNB
MSBF
From THR
DATLEN
Data
DATNB
From THR
Up to 256
From THR
DATLEN
Up to 16
Up to 32
Length
From THR
DATLEN
To RHR
Data
Data
Data
Data
Number of words transmitted in
frame
Size of word
Size of Synchro data register
Most significant bit first
Enable send TSHR
Data default value ended
From DATDEF
Default
Ignored
Default
Start
From DATDEF
Comment
Default
Sync Data
Sync Data
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