SAM9XE128 Atmel Corporation, SAM9XE128 Datasheet - Page 312
SAM9XE128
Manufacturer Part Number
SAM9XE128
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE128
Flash (kbytes)
128 Kbytes
Pin Count
217
Max. Operating Frequency
180 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
6
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
- Current page: 312 of 860
- Download datasheet (13Mb)
26.4.7
Register Name:
Access Type:
• TXNPTR: Transmit Next Pointer
TXNPTR contains next transmit buffer address.
When a half duplex peripheral is connected to the PDC, RXNPTR = TXNPTR.
26.4.8
Register Name:
Access Type:
• TXNCTR: Transmit Counter Next
TXNCTR contains next transmit buffer size.
When a half duplex peripheral is connected to the PDC, RXNCTR = TXNCTR.
6254C–ATARM–22-Jan-10
31
23
15
31
23
15
7
–
–
7
Transmit Next Pointer Register
Transmit Next Counter Register
30
22
14
30
22
14
PERIPH_TNPR
Read-write
6
PERIPH_TNCR
Read-write
–
–
6
29
21
13
29
21
13
5
–
–
5
AT91SAM9XE128/256/512 Preliminary
28
20
12
28
20
12
4
–
–
4
TXNCTR
TXNCTR
TXNPTR
TXNPTR
TXNPTR
TXNPTR
27
19
11
27
19
11
3
–
–
3
26
18
10
26
18
10
2
–
–
2
25
17
25
17
9
1
–
–
9
1
24
16
24
16
8
0
–
–
8
0
312
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