AT32UC3A0512-ALTTA Atmel, AT32UC3A0512-ALTTA Datasheet - Page 113

• 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: -

17.6.4
Name:
Access Type:
•
•
•
32058J–AVR32–04/11
EN
PRESC
PIN
31
23
15
7
-
-
-
-
0: Keypad scanning is disabled
1: Keypad scanning is enabled
Prescale select for the keypad scan rate:
Scan rate = 2
The RC clock period can be found in the Electrical Characteristics section.
The index of the currently active scan pin. Writing to this bitfield has no effect.
External Interrupt Scan
30
22
14
(SCAN:PRESC+1)
6
-
-
-
-
SCAN
Read/Write
T
29
21
13
5
RC
-
-
-
-
28
20
12
4
-
-
-
27
19
11
3
-
-
-
PRESC[4:0]
26
18
10
2
-
-
PIN[2:0]
25
17
9
1
-
-
AT32UC3A
EN
24
16
8
0
-
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