AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 146
AT91SAM9G45-EKES
Manufacturer Part Number
AT91SAM9G45-EKES
Description
KIT EVAL FOR AT91SAM9G45
Manufacturer
Atmel
Series
AT91SAM Smart ARMr
Type
MCUr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-EKES.pdf
(66 pages)
Specifications of AT91SAM9G45-EKES
Contents
Board
Processor To Be Evaluated
SAM9G45
Data Bus Width
32 bit
Interface Type
I2C, SPI, UART
Maximum Operating Temperature
+ 50 C
Minimum Operating Temperature
- 10 C
Operating Supply Voltage
1.8 V to 3.3 V
For Use With/related Products
AT91SAM9G45
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q4626953
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19.7.4
Name:
Addresses: 0xFFFFEA84 [0], 0xFFFFEA8C [1], 0xFFFFEA94 [2], 0xFFFFEA9C [3], 0xFFFFEAA4 [4], 0xFFFFEAAC [5],
Access:
This register can only be written if the WPEN bit is cleared in the
• MxPR: Master x Priority
Fixed priority of Master x for accessing the selected slave. The higher the number, the higher the priority.
All the masters programmed with the same MxPR value for the slave make up a priority pool.
Round-Robin arbitration is used inside the lowest (MxPR = 0) and highest (MxPR = 3) priority pools.
Fixed priority is used inside intermediate priority pools (MxPR = 1) and (MxPR = 2).
See
6438F–ATARM–21-Jun-10
Section 19.5.2 “Arbitration Priority Scheme”
31
23
15
–
–
–
7
–
Bus Matrix Priority Registers B For Slaves
MATRIX_PRBS0...MATRIX_PRBS7
0xFFFFEAB4 [6], 0xFFFFEABC [7]
Read-write
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
M9PR
for details.
28
20
12
–
–
–
4
“Write Protect Mode
27
19
11
–
–
3
–
–
26
18
10
–
–
2
–
Register”.
AT91SAM9G45
25
17
–
–
9
1
M10PR
M8PR
24
16
–
–
8
0
146
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