AT32UC3B1128-AUR Atmel, AT32UC3B1128-AUR Datasheet - Page 273
![MCU AVR32 128K FLASH 48-TQFP](/photos/6/82/68248/313-48-vqfp_sml.jpg)
AT32UC3B1128-AUR
Manufacturer Part Number
AT32UC3B1128-AUR
Description
MCU AVR32 128K FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3B164-AUR.pdf
(680 pages)
Specifications of AT32UC3B1128-AUR
Package / Case
48-TQFP, 48-VQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
60MHz
Number Of I /o
28
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
32K x 8
Program Memory Size
128KB (128K x 8)
Data Converters
A/D 6x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Core Size
32-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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20.7.6
20.7.6.1
20.7.7
32059J–12/2010
Receive Compare Modes
Data Framing Format
Compare functions
and Transmit Sync bits in the SR register (SR.RXSYN and SR.TXSYN) on frame synchro edge
detection (signals RX_FRAME_SYNC/TX_FRAME_SYNC).
Figure 20-12. Receive Compare Modes
Compare 0 can be one start event of the receiver. In this case, the receiver compares at each
new sample the last {RFMR.FSLENHI, RFMR.FSLEN} bits received to the {RFMR.FSLENHI,
RFMR.FSLEN} lower bits of the data contained in the Receive Compare 0 Register (RC0R).
When this start event is selected, the user can program the receiver to start a new data transfer
either by writing a new Compare 0, or by receiving continuously until Compare 1 occurs. This
selection is done with the Receive Stop Selection bit in the RCMR register (RCMR.STOP).
The data framing format of both the transmitter and the receiver are programmable through the
TFMR, TCMR, RFMR, and RCMR registers. In either case, the user can independently select:
• the event that starts the data transfer (RCMR.START and TCMR.START)
• the delay in number of bit periods between the start event and the first data bit
• the length of the data (RFMR.DATLEN and TFMR.DATLEN)
• the number of data to be transferred for each start event (RFMR.DATNB and TFMR.DATLEN)
• the length of synchronization transferred for each start event (RFMR.FSLENHI, RFMR.FSLEN,
• the bit sense: most or lowest significant bit first (RFMR.MSBF and TFMR.MSBF)
Additionally, the transmitter can be used to transfer synchronization and select the level driven
on the TX_DATA pin while not in data transfer operation. This is done respectively by writing to
the Frame Sync Data Enable and the Data Default Value bits in the TFMR register
(TFMR.FSDEN and TFMR.DATDEF).
Table 20-3.
(RCMR.STTDLY and TCMR.STTDLY)
TFMR.FSLENHI, and TFMR.FSLEN)
Transmitter
TCMR
TCMR
TCMR
TFMR
RX_CLOCK
RX_DATA
Data Framing Format Registers
(Input)
Receiver
RCMR
RCMR
RCMR
RFMR
CMP0
(4 in This Example)
{FSLENHI,FSLEN}
CMP1
Up to 256 Bits
Bit/Field
PERIOD
STTDLY
START
DATNB
CMP2
CMP3
Start
Up to 512
Up to 255
Up to 16
Length
STTDLY
Ignored
Frame size
Start selection
Size of transmit start delay
Number of words transmitted in
frame
B0
Comment
DATLEN
AT32UC3B
B1
B2
273
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