AT91SAM9G45-CU Atmel, AT91SAM9G45-CU Datasheet - Page 814
AT91SAM9G45-CU
Manufacturer Part Number
AT91SAM9G45-CU
Description
MCU ARM9 324-TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91SAM9G45-EKES.pdf
(56 pages)
2.AT91SAM9G45-EKES.pdf
(1218 pages)
3.AT91SAM9G45-CU.pdf
(10 pages)
Specifications of AT91SAM9G45-CU
Core Processor
ARM9
Core Size
16/32-Bit
Speed
400MHz
Connectivity
EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, I²S, LCD, POR, PWM, WDT
Number Of I /o
160
Program Memory Size
64KB (64K x 8)
Program Memory Type
ROM
Ram Size
128K x 8
Voltage - Supply (vcc/vdd)
0.9 V ~ 1.1 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
324-TFBGA
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
800 MHz
Number Of Programmable I/os
160
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Controller Family/series
AT91
No. Of I/o's
160
Ram Memory Size
64KB
Cpu Speed
400MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
AT91SAM9G45-EKES - KIT EVAL FOR AT91SAM9G45
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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Quantity:
1 000
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Manufacturer:
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36.13.16 HSMCI DMA Configuration Register
Name:
Addresses:
Access:
• OFFSET: DMA Write Buffer Offset
This field indicates the number of discarded bytes when the DMA writes the first word of the transfer.
• CHKSIZE: DMA Channel Read and Write Chunk Size
The CHKSIZE field indicates the number of data available when the DMA chunk transfer request is asserted.
• DMAEN: DMA Hardware Handshaking Enable
0 = DMA interface is disabled.
1 = DMA Interface is enabled.
Note:
• ROPT: Read Optimization with padding
0: BLKLEN bytes are moved from the Memory Card to the system memory, two DMA descriptors are used when the trans-
fer size is not a multiple of 4.
1: Ceiling(BLKLEN/4) * 4 bytes are moved from the Memory Card to the system memory, only one DMA descriptor is used.
6438F–ATARM–21-Jun-10
31
23
15
–
–
7
–
To avoid unpredictable behavior, DMA hardware handshaking must be disabled when CPU transfers are performed.
CHKSIZE value
00
01
10
11
30
22
14
HSMCI_DMA
0xFFF80050 (0), 0xFFFD0050 (1)
Read-write
–
–
6
–
Number of data transferred
29
21
13
–
–
–
5
CHKSIZE
16
1
4
8
ROPT
28
20
12
–
–
4
27
19
11
–
–
–
3
–
26
18
10
–
–
–
2
–
AT91SAM9G45
25
17
–
–
9
–
1
OFFSET
DMAEN
24
16
–
–
8
0
814
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