AT32UC3B1256-AUT Atmel, AT32UC3B1256-AUT Datasheet - Page 265
AT32UC3B1256-AUT
Manufacturer Part Number
AT32UC3B1256-AUT
Description
IC MCU AVR32 256KB FLASH 48-TQFP
Manufacturer
Atmel
Series
AVR®32 UC3r
Specifications of AT32UC3B1256-AUT
Core Processor
AVR
Core Size
32-Bit
Speed
60MHz
Connectivity
I²C, IrDA, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
28
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-TQFP, 48-VQFP
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
2-Wire/SPI/USART
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
28
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATEXTWIFI, ATEVK1101
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Controller Family/series
AVR UC3
No. Of I/o's
28
Ram Memory Size
32KB
Cpu Speed
60MHz
No. Of Timers
1
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP48 - STK600 SOCKET/ADAPTER 48-TQFPATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMR770-1008 - ISP 4PORT ATMEL AVR32 MCU SPIATEVK1101 - KIT DEV/EVAL FOR AVR32 AT32UC3B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT32UC3B1256-AUT
Manufacturer:
ATMEL
Quantity:
1 000
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20.7.1.4
20.7.2
32059K–03/2011
Transmitter Operations
Serial clock ratio considerations
Figure 20-7. Receiver Clock Management
The transmitter and the receiver can be programmed to operate with the clock signals provided
on either the TX_CLOCK or RX_CLOCK pins. This allows the SSC to support many slave-mode
data transfers. In this case, the maximum clock speed allowed on the RX_CLOCK pin is:
In addition, the maximum clock speed allowed on the TX_CLOCK pin is:
A transmitted frame is triggered by a start event and can be followed by synchronization data
before data transmission.
The start event is configured by writing to the TCMR register. See
The frame synchronization is configured by writing to the Transmit Frame Mode Register
(TFMR). See
To transmit data, the transmitter uses a shift register clocked by the transmitter clock signal and
the start mode selected in the TCMR register. Data is written by the user to the Transmit Holding
Register (THR) then transferred to the shift register according to the data format selected.
When both the THR and the transmit shift registers are empty, the Transmit Empty bit is set in
the Status Register (SR.TXEMPTY). When the THR register is transferred in the transmit shift
register, the Transmit Ready bit is set in the SR register (SR.TXREADY) and additional data can
be loaded in the THR register.
Transmitter
Divider
RX_CLOCK
Clock
Clock
– CLK_SSC divided by two if RX_FRAME_SYNC is input.
– CLK_SSC divided by three if RX_FRAME_SYNC is output.
– CLK_SSC divided by six if TX_FRAME_SYNC is input.
– CLK_SSC divided by two if TX_FRAME_SYNC is output.
Section
20.7.5.
MUX
CKS
CKO
Controller
Tri-state
MUX
INV
CKI
Data Transfer
Section
Controller
Tri-state
CKG
20.7.4.
AT32UC3B
Receiver
Output
Clock
Clock
265
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