ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 926
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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: 926 of 960
- Download datasheet (15Mb)
Table 35-45. TWI-Bus Timing Requirements
Notes:
32142A–12/2011
t
t
t
t
t
t
t
TWI
t
t
t
t
f
Symbol
r
f
HD-STA
SU-STA
SU-STO
HD-DAT
SU-DAT-
SU-DAT
LOW-TWI
LOW
HIGH
TWCK
1. Standard mode:
2. A device must internally provide a hold time of at least 300 ns for TWD with reference to the falling edge of TWCK.
TWCK and TWD rise time
TWCK and TWD fall time
(Repeated) START hold time
(Repeated) START set-up
time
STOP set-up time
Data hold time
Data set-up time
TWCK LOW period
TWCK HIGH period
TWCK frequency
Parameter
TWIM and TWIS user interface registers. Please refer to the TWIM and TWIS sections for more
information.
Notations:
C
t
t
The maximum t
of TWCK.
f
clkpb
prescaled
TWCK
b
= total capacitance of one bus line in pF
= period of TWI peripheral bus clock
100 kHz
= period of TWI internal prescaled clock (see chapters on TWIM and TWIS)
Standard
1)
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
Standard
Fast
-
Standard
Fast
-
Standard
Fast
Standard
Fast
; fast mode:
HD;DAT
Mode
(1)
has only to be met if the device does not stretch the LOW period (t
(
Requirement
f
TWCK
0.3
250
100
0.6
4.7
0.6
4.0
0.6
4.7
1.3
4.0
0.6
4
-
-
(2)
100 kHz
20 + 0.1C
20 + 0.1C
Minimum
-
-
-
.
b
b
Device
4t
2t
2t
4t
8t
t
t
t
t
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
clkpb
ATUC64/128/256L3/4U
Requirement
3.45
0.9
100
400
()
()
Maximum
1000
300
300
300
-
-
-
-
-
-
-
-
15t
----------------------- -
12t clkpb
Device
prescaled
t
clkpb
1
+
LOW-TWI
kHz
Uni
926
ns
ns
ns
t
-
-
s
s
s
s
s
s
)
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