SAM9263 Atmel Corporation, SAM9263 Datasheet - Page 87
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SAM9263
Manufacturer Part Number
SAM9263
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.SAM9260.pdf
(290 pages)
4.SAM9261.pdf
(248 pages)
5.SAM9263.pdf
(1109 pages)
6.SAM9263.pdf
(51 pages)
Specifications of SAM9263
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
240 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
4
Can
1
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
Yes
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
96
Self Program Memory
NO
External Bus Interface
2
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Fpu
No
Mpu / Mmu
No / Yes
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- M40800 PDF datasheet
- M40800 PDF datasheet #2
- SAM9260 PDF datasheet #3
- SAM9261 PDF datasheet #4
- SAM9263 PDF datasheet #5
- SAM9263 PDF datasheet #6
- Current page: 87 of 284
- Download datasheet (2Mb)
3.6
3.6.1
ARM DDI 0029G
Data timed signals
D[31:0], DOUT[31:0], and DIN[31:0]
This section describes:
•
•
•
•
The ARM7TDMI processor provides both unidirectional data buses, DIN[31:0],
DOUT[31:0], and a bidirectional data bus, D[31:0]. The configuration input BUSEN is
used to select which is active. Figure 3-11 shows the arrangement of the data buses and
bus-splitter logic.
When the bidirectional data bus is being used then you must disable the unidirectional
buses by driving BUSEN LOW. The timing of the bus for three cycles, load-store-load,
is shown in Figure 3-12 on page 3-18.
D[31:0], DOUT[31:0], and DIN[31:0] on page 3-17
ABORT on page 3-24
Byte latch enables on page 3-24
Byte and halfword accesses on page 3-26.
Copyright © 1994-2001. All rights reserved.
ARM7TDMI
Latch control
EmbeddICE
Buffer control
Logic
Figure 3-11 External bus arrangement
Latch
G
Memory Interface
DIN[31:0]
DOUT[31:0]
D[31:0]
3-17
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