AT32UC3A3128S Atmel Corporation, AT32UC3A3128S Datasheet - Page 422
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AT32UC3A3128S
Manufacturer Part Number
AT32UC3A3128S
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 AT32UC3A3128S
Flash (kbytes)
128 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
AES
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
- AT32UC3A0128 PDF datasheet
- AT32UC3A0128 PDF datasheet #2
- AT32UC3A0128 PDF datasheet #3
- AT32UC3A3128 PDF datasheet #4
- AT32UC3A3128 PDF datasheet #5
- Current page: 422 of 1012
- Download datasheet (16Mb)
21.8.5
Name:
Access Type:
Offset:
Reset Value:
• SPIENS: SPI Enable Status
• UNDES: Underrun Error Status (Slave Mode Only)
• TXEMPTY: Transmission Registers Empty
• NSSR: NSS Rising
• OVRES: Overrun Error Status
• MODF: Mode Fault Error
• TDRE: Transmit Data Register Empty
• RDRF: Receive Data Register Full
32072G–11/2011
31
23
15
7
-
-
-
-
1: This bit is set when the SPI is enabled.
0: This bit is cleared when the SPI is disabled.
1: This bit is set when a transfer begins whereas no data has been loaded in the TDR register.
0: This bit is cleared when the SR register is read.
1: This bit is set when TDR and internal shifter are empty. If a transfer delay has been defined, TXEMPTY is set after the
completion of such delay.
0: This bit is cleared as soon as data is written in TDR.
1: A rising edge occurred on NSS pin since last read.
0: This bit is cleared when the SR register is read.
1: This bit is set when an overrun has occurred. An overrun occurs when RDR is loaded at least twice from the serializer since
the last read of the RDR.
0: This bit is cleared when the SR register is read.
1: This bit is set when a Mode Fault occurred.
0: This bit is cleared when the SR register is read.
1: This bit is set when the last data written in the TDR register has been transferred to the serializer.
0: This bit is cleared when data has been written to TDR and not yet transferred to the serializer.
TDRE equals zero when the SPI is disabled or at reset. The SPI enable command sets this bit to one.
1: Data has been received and the received data has been transferred from the serializer to RDR since the last read of RDR.
0: No data has been received since the last read of RDR
Status Register
30
22
14
6
-
-
-
-
SR
Read-only
0x10
0x00000000
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
OVRES
27
19
11
3
-
-
-
UNDES
MODF
26
18
10
2
-
-
TXEMPTY
TDRE
25
17
9
1
-
-
SPIENS
NSSR
RDRF
24
16
8
0
-
422
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