AT32UC3B1256-AUR Atmel, AT32UC3B1256-AUR Datasheet - Page 213

MCU AVR32 256K FLASH 48-TQFP

AT32UC3B1256-AUR

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

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
-

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18.8.4
Name:
Access Type:
Offset:
Reset Value:
• LASTXFER: Last Transfer
• PCS: Peripheral Chip Select
• TD: Transmit Data
Data to be transmitted by the SPI Interface is stored in this register. Information to be transmitted must be written to the
transmit data register in a right-justified format.
32059J–12/2010
31
23
15
7
0: No effect.
1: The current NPCS will be deasserted after the character written in TD has been transferred. When CSAAT is set, this allows
to close the communication with the current serial peripheral by raising the corresponding NPCS line as soon as TD transfer has
completed.
This field is only used if Variable Peripheral Select is active (PS = 1).
This field is only used if Variable Peripheral Select is active (PS = 1).
If PCSDEC = 0:
PCS = xxx0NPCS[3:0] = 1110
PCS = xx01NPCS[3:0] = 1101
PCS = x011NPCS[3:0] = 1011
PCS = 0111NPCS[3:0] = 0111
PCS = 1111forbidden (no peripheral is selected)
(x = don’t care)
If PCSDEC = 1:
NPCS[3:0] output signals = PCS
Transmit Data Register
30
22
14
TDR
Write-only
0x0C
0x00000000
6
29
21
13
5
28
20
12
4
TD
TD
27
19
11
3
26
18
10
2
PCS
25
17
9
1
AT32UC3B
LASTXFER
24
16
8
0
213

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