AT32UC3A3256 Atmel Corporation, AT32UC3A3256 Datasheet - Page 846
AT32UC3A3256
Manufacturer Part Number
AT32UC3A3256
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT32UC3A0128.pdf
(377 pages)
2.AT32UC3A0128.pdf
(33 pages)
3.AT32UC3A0128.pdf
(159 pages)
4.AT32UC3A3128.pdf
(91 pages)
5.AT32UC3A3128.pdf
(1012 pages)
Specifications of AT32UC3A3256
Flash (kbytes)
256 Kbytes
Pin Count
144
Max. Operating Frequency
66 MHz
Cpu
32-bit AVR
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
110
Ext Interrupts
110
Usb Transceiver
1
Usb Speed
Hi-Speed
Usb Interface
Device + OTG
Spi
6
Twi (i2c)
2
Uart
4
Lin
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
16
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.0 to 3.6
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
18
Input Capture Channels
12
Pwm Channels
12
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 846 of 1012
- Download datasheet (16Mb)
30.7.8
Name:
Access Type:
Offset:
Reset Value:
• CSTOMUL: Completion Signal Time-out Multiplier
• CSTOCYC: Completion Signal Time-out Cycle Number
32072G–11/2011
31
23
15
CSTOMUL
7
-
-
-
-
These two fields determines the maximum number of CLK_MCI cycles that the MCI waits between two data block transfers. Its
value is calculated by (CSTOCYC x Multiplier).
These two fields also determine the maximum number of CLK_MCI cycles that the MCI waits between the end of the data
transfer and the assertion of the completion signal. The data transfer comprises data phase and the optional busy phase. If a
non-DATA ATA command is issued, the MCI starts waiting immediately after the end of the response until the completion signal.
If the data time-out defined by CSTOCYC and CSTOMUL has been exceeded, the Completion Signal Time-out Error bit in the
SR register (SR.CSTOE) is set.
Multiplier is defined by CSTOMUL as shown in the following table:
Completion Signal Time-out Register
0
1
2
3
4
5
6
7
30
22
14
6
-
-
-
CSTOR
Read-write
0x01C
0x00000000
Multiplier
1
16
128
256
1024
4096
65536
1048576
CSTOMUL
29
21
13
5
-
-
-
28
20
12
4
-
-
-
27
19
11
3
-
-
-
26
18
10
2
-
-
-
CSTOCYC
25
17
9
1
-
-
-
24
16
8
0
-
-
-
846
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