AT32UC3L0128 Atmel Corporation, AT32UC3L0128 Datasheet - Page 621
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AT32UC3L0128
Manufacturer Part Number
AT32UC3L0128
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L0128.pdf
(85 pages)
4.AT32UC3L0128.pdf
(852 pages)
Specifications of AT32UC3L0128
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 Speed
No
Usb Interface
No
Spi
5
Twi (i2c)
2
Uart
4
Lin
4
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
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26.9.2
Name:
Access Type:
Offset:
Reset Value:
• PENDBC: Pen Detect Debouncing Period
• TSPO: Touch Screen Pin Offset
• APOE: Analog Pin Output Enable
• ACE: Analog Compare Enable
• PENDET: Pen Detect
• TSAMOD: Touch Screen ADC Mode
32145A–12/2011
31
23
15
7
-
-
Period = 2
The Touch Screen Pin Offset field is used to indicate which AD pins are connected to the resistive touch screen film edges. Only
an offset is specified and it is assumed that the resistive touch screen films are connected sequentially from the specified offset
pin and up to and including offset + 3 (4 pins).
0: AD pins are not used to drive VDD in resistive touch screen sequence.
1: AD pins are used to drive VDD in resistive touch screen sequence.
Note: If the selected I/O voltage configuration is incompatible with the Analog-to-Digital converter cell voltage specification, this
bit must stay cleared to avoid damaging the ADC. In this case the ADP pins must be used to drive VDD instead, as described in
Section
case the ADP pins can be ignored.
0: The analog compare functionality is disabled.
1: The analog compare functionality is enabled.
0: The pen detect functionality is disabled.
1: The pen detect functionality is enabled.
Note: Touch detection logic can only be enabled when the ADC sequencer is idle. For successful pen detection the user must
make sure there is enough idle time between consecutive scans for the touch detection logic to settle.
0: Touch Screen Mode is disabled.
1: Touch Screen Mode is enabled.
Mode Register
26.7.3. If the I/O and ADC voltages are compatible, the AD pins can be used directly by writing a one to this bit. In this
PENDBC
APOE
30
22
14
6
-
MR
Read/Write
0x04
0x00000000
*T
CLK_ADC
PENDBC
ACE
29
21
13
5
-
PENDET
28
20
12
4
-
TSPO
27
19
11
3
-
-
-
26
18
10
2
-
-
-
AT32UC3L0128/256
25
17
9
1
-
-
-
TSAMOD
24
16
8
0
-
-
621
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