AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 208

• Manufacturer Part Number: AT32UC3A0512-ALTTA
• Description: IC MCU AVR32 512K FLASH 144LQFP
• Manufacturer: Atmel
• Series: AVR®32 UC3r

Specifications of AT32UC3A0512-ALTTA

• Core Processor: AVR
• Core Size: 32-Bit
• Speed: 66MHz
• Connectivity: EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 109
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.8.2
Name:
Access Type:
•
0 = SPI is in Slave mode.
1 = SPI is in Master mode.
•
0 = Fixed Peripheral Select.
1 = Variable Peripheral Select.
•
0 = The chip selects are directly connected to a peripheral device.
1 = The four chip select lines are connected to a 4- to 16-bit decoder.
When PCSDEC equals one, up to 15 Chip Select signals can be generated with the four lines using an external 4- to 16-bit
decoder. The Chip Select Registers define the characteristics of the 15 chip selects according to the following rules:
•
0 = The SPI operates at MCK.
1 = The SPI operates at MCK/32.
•
0 = Mode fault detection is enabled.
1 = Mode fault detection is disabled.
•
0 = Local loopback path disabled.
1 = Local loopback path enabled.
LLB controls the local loopback on the data serializer for testing in Master Mode only. MISO is internally connected to
MOSI.
32058J-AVR32-04/11
MSTR: Master/Slave Mode
PS: Peripheral Select
PCSDEC: Chip Select Decode
FDIV: Clock Selection
MODFDIS: Mode Fault Detection
LLB: Local Loopback Enable
LLB
CSR0 defines peripheral chip select signals 0 to 3.
CSR1 defines peripheral chip select signals 4 to 7.
CSR2 defines peripheral chip select signals 8 to 11.
CSR3 defines peripheral chip select signals 12 to 14.
31
23
15
–
–
7
SPI Mode Register
30
22
14
–
–
6
–
29
21
13
–
–
5
–
MR
Read/Write
MODFDIS
28
20
12
–
–
4
DLYBCS
FDIV
27
19
11
–
3
PCSDEC
26
18
10
–
2
PCS
PS
25
17
–
9
1
AT32UC3A
MSTR
24
16
–
8
0
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