ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 62
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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
Table 7-43.
Note:
32142AS–12/2011
Symbol
SPI0
SPI1
SPI2
SPI3
SPI4
SPI5
1. These values are based on simulation and characterization of other AVR microcontrollers manufactured in the same pro-
cess technology. These values are not covered by test limits in production.
SPI Timing, Master Mode
Parameter
MISO setup time before SPCK rises
MISO hold time after SPCK rises
SPCK rising to MOSI delay
MISO setup time before SPCK falls
MISO hold time after SPCK falls
SPCK falling to MOSI delay
Figure 7-15. SPI Master Mode with (CPOL= 0 and NCPHA= 1) or (CPOL= 1 and NCPHA= 0)
Maximum SPI Frequency, Master Output
The maximum SPI master output frequency is given by the following formula:
Where
maximum frequency of the SPI pins. Please refer to the I/O Pin Characteristics section for the
maximum frequency of the pins.
Maximum SPI Frequency, Master Input
The maximum SPI master input frequency is given by the following formula:
Where
CPOL and NCPHA.
datasheet for
SPCK
MISO
MOSI
SPIn
SPIn
(1)
is the MOSI delay, SPI2 or SPI5 depending on CPOL and NCPHA.
is the MISO setup and hold time, SPI0 + SPI1 or SPI3 + SPI4 depending on
t
VALID
SPI5
.
t
VALID
is the SPI slave response time. Please refer to the SPI slave
f
SPCKMAX
f
SPCKMAX
SPI3
3.0V to 3.6V,
Conditions
V
capacitor =
maximum
VDDIO
external
40pF
=
from
MIN f
=
----------------------------------- -
SPIn
(
SPI4
PINMAX
33.4 + (t
29.2 + (t
+
ATUC64/128/256L3/4U
1
t
VALID
,
Min
----------- -
SPIn
0
0
CLK_SPI
CLK_SPI
1
)
)/2
)/2
Max
8.63
7.1
f
PINMAX
Units
ns
is the
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