ATUC128L4U Atmel Corporation, ATUC128L4U Datasheet - Page 539
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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: 539 of 960
- Download datasheet (15Mb)
Figure 22-12. Combining a Write and Read Transfer
22.8.7.4
Figure 22-13. Combining a Read and Write Transfer
32142A–12/2011
SR.IDLE
SR.IDLE
RXRDY
TXRDY
RXRDY
TXRDY
TWD
THR
RHR
TWD
RHR
THR
S
S
Read Followed by Write
DADR
SADR
W
R
To generate this transfer:
Consider the following transfer:
START, DADR+R, DATA+A, DATA+NA, REPSTART, DADR+W, DATA+A, DATA+A, STOP.
To generate this transfer:
1. Write CMDR with START=1, STOP=0, DADR, NBYTES=2 and READ=0.
2. Write NCMDR with START=1, STOP=1, DADR, NBYTES=2 and READ=1.
3. Wait until SR.TXRDY==1, then write first data byte to transfer to THR.
4. Wait until SR.TXRDY==1, then write second data byte to transfer to THR.
5. Wait until SR.RXRDY==1, then read first data byte received from RHR.
6. Wait until SR.RXRDY==1, then read second data byte received from RHR.
1. Write CMDR with START=1, STOP=0, DADR, NBYTES=2 and READ=1.
2. Write NCMDR with START=1, STOP=1, DADR, NBYTES=2 and READ=0.
3. Wait until SR.RXRDY==1, then read first data byte received from RHR.
4. Wait until SR.RXRDY==1, then read second data byte received from RHR.
5. Wait until SR.TXRDY==1, then write first data byte to transfer to THR.
6. Wait until SR.TXRDY==1, then write second data byte to transfer to THR.
TWI_RHR
A
A
Read
DATA0
DATA0
DATA0
DATA1
DATA0
A
A
DATA1
DATA1
NA
DATA3
A
Sr
Sr
DADR
DADR
1
R
W
ATUC64/128/256L3/4U
A
A
DATA2
DATA2
DATA2
DATA2
A
A
DATA3
DATA3
DATA3
DATA3
NA
A
P
P
539
1
2
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