AT32UC3L064 Atmel Corporation, AT32UC3L064 Datasheet - Page 472
AT32UC3L064
Manufacturer Part Number
AT32UC3L064
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(159 pages)
3.AT32UC3L016.pdf
(843 pages)
4.AT32UC3L016.pdf
(110 pages)
Specifications of AT32UC3L064
Flash (kbytes)
64 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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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3L016 PDF datasheet #3
- AT32UC3L016 PDF datasheet #4
- Current page: 472 of 843
- Download datasheet (13Mb)
21.9.4
Name:
Access Type:
Offset:
Reset Value:
• ACKLAST: ACK Last Master RX Byte
• PECEN: Packet Error Checking Enable
• NBYTES: Number of Data Bytes in Transfer
• VALID: CMDR Valid
• STOP: Send STOP Condition
• START: Send START Condition
• REPSAME: Transfer is to Same Address as Previous Address
32099G–06/2011
VALID
31
23
15
7
-
0: Causes the last byte in master receive mode (when NBYTES has reached 0) to be NACKed. This is the standard way of
ending a master receiver transfer.
1: Causes the last byte in master receive mode (when NBYTES has reached 0) to be ACKed. Used for performing linked
transfers in master receiver mode with no STOP or REPEATED START between the subtransfers. This is needed when more
than 255 bytes are to be received in one single transmission.
0: Causes the transfer not to use PEC byte verification. The PEC LFSR is still updated for every bit transmitted or received. Must
be used if SMBus mode is disabled.
1: Causes the transfer to use PEC. PEC byte generation (if master transmitter) or PEC byte verification (if master receiver) will
be performed.
The number of data bytes in the transfer. After the specified number of bytes have been transferred, a STOP condition is
transmitted if CMDR.STOP is one. In SMBus mode, if PEC is used, NBYTES includes the PEC byte, i.e. there are NBYTES-1
data bytes and a PEC byte.
0: Indicates that CMDR does not contain a valid command.
1: Indicates that CMDR contains a valid command. This bit is cleared when the command is finished.
0: Do not transmit a STOP condition after the data bytes have been transmitted.
1: Transmit a STOP condition after the data bytes have been transmitted.
0: The transfer in CMDR should not commence with a START or REPEATED START condition.
1: The transfer in CMDR should commence with a START or REPEATED START condition. If the bus is free when the command
is executed, a START condition is used. If the bus is busy, a REPEATED START is used.
Only used in 10-bit addressing mode, always write to 0 in 7-bit addressing mode.
Command Register
STOP
30
22
14
6
CMDR
Read/Write
0x0C
0x00000000
START
29
21
13
5
-
REPSAME
SADR[6:0]
28
20
12
4
NBYTES
TENBIT
27
19
11
3
-
26
18
10
2
-
AT32UC3L016/32/64
SADR[9:7]
ACKLAST
25
17
9
1
PECEN
READ
24
16
8
0
472
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