SAM9X35 Atmel Corporation, SAM9X35 Datasheet - Page 805
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SAM9X35
Manufacturer Part Number
SAM9X35
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9X25.pdf
(45 pages)
3.SAM9X25.pdf
(1145 pages)
4.SAM9X25.pdf
(45 pages)
5.SAM9X25.pdf
(1325 pages)
Specifications of SAM9X35
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
105
Ext Interrupts
105
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
3
Uart
7
Can
2
Lin
4
Ssc
1
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
No
Adc Channels
12
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
DDR/LPDDR, SDRAM/LPSDR
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No/Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9261 PDF datasheet
- SAM9X25 PDF datasheet #2
- SAM9X25 PDF datasheet #3
- SAM9X25 PDF datasheet #4
- SAM9X25 PDF datasheet #5
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- Download datasheet (26Mb)
39.7.1.4
Table 39-6.
Table 39-7.
Table 39-8.
11054A–ATARM–27-Jul-11
11054A–ATARM–27-Jul-11
DI field
Di (decimal)
FI field
Fi (decimal)
Fi/Di
16
32
12
20
1
2
4
8
Baud Rate in ISO 7816 Mode
23.25
11.62
46.5
18.6
Binary and Decimal Values for Di
Binary and Decimal Values for Fi
Possible Values for the Fi/Di Ratio
372
372
186
93
31
0000
372
0001
1
0001
139.5
69.75
34.87
17.43
372
46.5
27.9
558
558
279
system clock. In synchronous mode master (USCLKS = 0 or 1, CLK0 set to 1), the receive part
limits the SCK maximum frequency to MCK/4.5 in USART mode, or MCK/6 in SPI mode.
When either the external clock SCK or the internal clock divided (MCK/DIV) is selected, the
value programmed in CD must be even if the user has to ensure a 50:50 mark/space ratio on the
SCK pin. If the internal clock MCK is selected, the Baud Rate Generator ensures a 50:50 duty
cycle on the SCK pin, even if the value programmed in CD is odd.
The ISO7816 specification defines the bit rate with the following formula:
where:
Di is a binary value encoded on a 4-bit field, named DI, as represented in
Fi is a binary value encoded on a 4-bit field, named FI, as represented in
Table 39-8
baud rate clock.
If the USART is configured in ISO7816 Mode, the clock selected by the USCLKS field in the
Mode Register (US_MR) is first divided by the value programmed in the field CD in the Baud
• B is the bit rate
• Di is the bit-rate adjustment factor
• Fi is the clock frequency division factor
• f is the ISO7816 clock frequency (Hz)
0010
0010
558
2
23.25
46.5
37.2
774
744
372
186
93
62
shows the resulting Fi/Di Ratio, which is the ratio between the ISO7816 clock and the
B
0011
=
744
Di
----- -
Fi
139.5
69.75
34.87
1116
1116
55.8
558
279
0011
93
4
f
0100
1116
1488
1488
46.5
74.4
744
372
186
124
93
0100
0101
1488
8
232.5
116.2
58.13
1806
1860
930
465
155
93
0110
1860
0101
16
42.66
25.6
512
512
256
128
64
32
16
1001
512
0110
38.4
768
768
384
192
96
48
24
64
32
1010
768
85.33
1024
1024
51.2
512
256
128
64
32
1011
1024
1000
Table
12
Table
SAM9X25
SAM9X25
1536
1536
76.8
39-7.
768
384
192
128
39-6.
1536
96
48
1100
1001
20
170.6
102.4
2048
2048
1024
1101
2048
512
256
128
64
805
805
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