AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 281

• Manufacturer Part Number: AT32UC3B1256-AUR
• Description: MCU AVR32 256K FLASH 48-TQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3B1256-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: 256KB (256K 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: -

20.9.3
Name:
Access Type:
Offset:
Reset value:
• PERIOD: Receive Period Divider Selection
• STTDLY: Receive Start Delay
• STOP: Receive Stop Selection
32059J–12/2010
31
23
15
7
-
This field selects the divider to apply to the selected receive clock in order to generate a periodic Frame Sync Signal.
If equal to zero, no signal is generated.
If not equal to zero, a signal is generated each 2 x (PERIOD+1) receive clock periods.
If STTDLY is not zero, a delay of STTDLY clock cycles is inserted between the start event and the actual start of reception.
When the receiver is programmed to start synchronously with the transmitter, the delay is also applied.
Note: It is very important that STTDLY be written carefully. If STTDLY must be written, it should be done in relation to Receive
Sync Data reception.
1: After starting a receive with a Compare 0, the receiver operates in a continuous mode until a Compare 1 is detected.
0: After completion of a data transfer when starting with a Compare 0, the receiver stops the data transfer and waits for a new
Compare 0.
Receive Clock Mode Register
CKG
30
22
14
6
-
RCMR
Read/Write
0x10
0x00000000
CKI
29
21
13
5
-
STOP
28
20
12
4
PERIOD
STTDLY
CKO
27
19
11
3
26
18
10
2
START
25
17
9
1
AT32UC3B
CKS
24
16
8
0
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