ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 772
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ATUC128L4U
Manufacturer Part Number
ATUC128L4U
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 ATUC128L4U
Flash (kbytes)
128 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
Company:
Part Number:
ATUC128L4U-U
Manufacturer:
ATMEL
Quantity:
3 006
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- ATUC128L4U PDF datasheet #3
- ATUC128L4U PDF datasheet #4
- Current page: 772 of 960
- Download datasheet (15Mb)
31.5
31.5.1
32142A–12/2011
Product Dependencies
I/O Lines
Table 31-1.
In order to use the CAT module, other parts of the system must be configured correctly, as
described below.
The CAT pins may be multiplexed with other peripherals. The user must first program the I/O
Controller to give control of the pins to the CAT module. In QMatrix mode, the Y lines must be
driven by the CAT and analog comparators sense the voltage on the Y lines. Thus, the CAT (not
the Analog Comparator Interface) must be the selected function for the Y lines in the I/O
Controller.
By writing ones and zeros to bits in the Pin Mode Registers (PINMODEx), most of the CAT pins
can be individually selected to implement the QTouch method or the QMatrix method. Each pin
has a different name and function depending on whether it is implementing the QTouch method
or the QMatrix method. The following table shows the pin names for each method and the bits in
the PINMODEx registers which control the selection of the QTouch or QMatrix method.
Table 31-2.
Name
SMP
SYNC
VDIVEN
CAT Module Pin
Name
CSA0
CSB0
CSA1
CSB1
CSA2
CSB2
CSA3
CSB3
CSA4
CSB4
CSA5
CSB5
CSA6
CSB6
CSA7
CSB7
CSA8
I/O Lines Description
Pin Selection Guide
Description
SMP line (only used for QMatrix)
Synchronize signal
Voltage divider enable (only used for QMatrix)
QTouch Method
Pin Name
SNS0
SNSK0
SNS1
SNSK1
SNS2
SNSK2
SNS3
SNSK3
SNS4
SNSK4
SNS5
SNSK5
SNS6
SNSK6
SNS7
SNSK7
SNS8
QMatrix Method Pin
Name
X0
X1
Y0
YK0
X2
X3
Y1
YK1
X4
X5
Y2
YK2
X6
X7
Y3
YK3
X8
ATUC64/128/256L3/4U
Selection Bit in
PINMODEx Register
SP0
SP0
SP1
SP1
SP2
SP2
SP3
SP3
SP4
SP4
SP5
SP5
SP6
SP6
SP7
SP7
SP8
Output
Output
Type
Input
772
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