AT32UC3L064-ZAUT Atmel, AT32UC3L064-ZAUT Datasheet - Page 504
![IC MCU AVR32 64KB FLASH 48VQFN](/photos/6/82/68297/48-qfn_sml.jpg)
AT32UC3L064-ZAUT
Manufacturer Part Number
AT32UC3L064-ZAUT
Description
IC MCU AVR32 64KB FLASH 48VQFN
Manufacturer
Atmel
Series
AVR®32 UC3r
Datasheet
1.AT32UC3L-EK.pdf
(858 pages)
Specifications of AT32UC3L064-ZAUT
Core Processor
AVR
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 3.6 V
Data Converters
A/D 9x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Processor Series
AT32UC3x
Core
AVR32
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
36
Number Of Timers
7
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR32, EWAVR32-BL
Development Tools By Supplier
AT32UC3L-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 9 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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22.7.2
22.7.3
22.7.4
22.7.5
22.8
22.8.1
32099F–11/2010
Functional Description
Power Management
Clocks
Interrupts
Debug Operation
Transfer Format
If the CPU enters a sleep mode that disables clocks used by the TWIS, the TWIS will stop
functioning and resume operation after the system wakes up from sleep mode. TWIS is able to
wake the system from sleep mode upon address match, see
The clock for the TWIS bus interface (CLK_TWIS) is generated by the Power Manager. This
clock is enabled at reset, and can be disabled in the Power Manager. It is recommended to
disable the TWIS before disabling the clock, to avoid freezing the TWIS in an undefined state.
The TWIS interrupt request lines are connected to the interrupt controller. Using the TWIS
interrupts requires the interrupt controller to be programmed first.
When an external debugger forces the CPU into debug mode, the TWIS continues normal
operation. If the TWIS is configured in a way that requires it to be periodically serviced by the
CPU through interrupts or similar, improper operation or data loss may result during
debugging.
The data put on the TWD line must be 8 bits long. Data is transferred MSB first; each byte
must be followed by an acknowledgement. The number of bytes per transfer is unlimited (see
Figure 22-4 on page
Each transfer begins with a START condition and terminates with a STOP condition (see
ure 22-3 on page
Figure 22-3.
Figure 22-4. Transfer Format
• A high-to-low transition on the TWD line while TWCK is high defines the START condition.
• A low-to-high transition on the TWD line while TWCK is high defines a STOP condition.
TWD
TWCK
START and STOP Conditions
Start
504).
504).
Address
TWCK
TWD
R/W
Start
Ack
Data
Ack
AT32UC3L016/32/64
Section 22.8.7 on page
Data
Stop
Ack
Stop
511.
Fig-
504
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