ATUC64L4U Atmel Corporation, ATUC64L4U Datasheet - Page 167
ATUC64L4U
Manufacturer Part Number
ATUC64L4U
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.ATUC128L4U.pdf
(960 pages)
4.ATUC128L4U.pdf
(92 pages)
Specifications of ATUC64L4U
Flash (kbytes)
64 Kbytes
Pin Count
48
Max. Operating Frequency
50 MHz
Cpu
32-bit AVR
# Of Touch Channels
17
Hardware Qtouch Acquisition
Yes
Max I/o Pins
36
Ext Interrupts
36
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
460
Analog Comparators
8
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.62 to 3.6
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
35
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATUC64L4U-D3HR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
ATUC64L4U-H
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATUC64L4U-U
Manufacturer:
ATMEL
Quantity:
20
Part Number:
ATUC64L4U-ZUT
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- ATUC128L4U PDF datasheet #3
- ATUC128L4U PDF datasheet #4
- Current page: 167 of 960
- Download datasheet (15Mb)
10.5.6
10.5.7
10.5.8
32142A–12/2011
Error bits
Bus Error Responses
Disabling the SAU
If error bits are set when attempting to unlock a channel, SR.URES will be set. The following SR
bits are considered error bits:
By writing a one to the Bus Error Response Enable bit (CR.BERREN), serious access errors will
be configured to return a bus error to the CPU. This will cause the CPU to execute its Bus Error
Data Fetch exception routine.
The conditions that can generate a bus error response are:
To disable the SAU, the user must first ensure that no SAU bus operations are pending. This
can be done by checking that the SR.IDLE bit is set.
The SAU may then be disabled by writing a one to the Disable (DIS) bit in CR.
• Unlock Register Error Status (URES) is set if an attempt was made to unlock a channel by
• Unlock Register Key Error (URKEY) is set if the Unlock Register was attempted written with
• Unlock Register Read (URREAD) is set if the Unlock Register was attempted read.
• Channel Access Unsuccessful (CAU) is set if the channel access was unsuccessful.
• Channel Access Successful (CAS) is set if the channel access was successful.
• Channel Unlock Expired (EXP) is set if the channel lock expired, with no channel being
• EXP
• CAU
• URREAD
• URKEY
• URES
• MBERROR
• RTRADR
• Reading the Unlock Register
• Trying to access a locked channel
• The SAU HSB master receiving a bus error response from its addressed slave
writing to the Unlock Register while one or more error bits in SR were set (see
10.5.6). The unlock operation was aborted.
an invalid key.
accessed after the channel was unlocked.
ATUC64/128/256L3/4U
Section
167
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