AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 772
![IC MCU ARM9 APMC 324TFBGA](/photos/12/13/121367/324-tfbga-pkg_sml.jpg)
AT91SAM9G45-CU-999
Manufacturer Part Number
AT91SAM9G45-CU-999
Description
IC MCU ARM9 APMC 324TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9G45-EKES.pdf
(1218 pages)
Specifications of AT91SAM9G45-CU-999
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Supplier Unconfirmed
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Figure 36-9. Write Functional Flow Diagram
Note:
6438F–ATARM–21-Jun-10
1. It is assumed that this command has been correctly sent (see
2. This field is also accessible in the HSMCI Block Register (HSMCI_BLKR).
Number of words to write = BlockLength/4
Reset theDMAEN bit
HSMCI_DMA &= ~DMAEN
Set the block length (in bytes)
HSMCI_MR |= (BlockLength) <<16) (2)
Set the block count (if necessary)
HSMCI_BLKR |= (BlockCount << 0)
Read status register HSMCI_SR
Number of words to write = 0 ?
Send WRITE_SINGLE_BLOCK
HSMCI_TDR = Data to write
Number of words to write =
Number of words to write -1
No
TXRDY = 0?
command
Poll the bit
No
(1)
No
Send SET_BLOCKLEN command (1)
Send SELECT/DESELECT_CARD
command (1) to select the card
Yes
Yes
Write using DMAC
RETURN
Figure
Configure the DMA channel X
DMAC_DADDRX = Data Address to write
DMAC_BTSIZE = BlockLength/4
Set the DMAEN bit
HSMCI_DMA |= DMAEN
Set the block length (in bytes)
HSMCI_BLKR |= (BlockLength << 16)
Yes
36-7).
Send WRITE_SINGLE_BLOCK
Read status register MCI_SR
DMAC_CHEN[X] = TRUE
XFRDONE = 0?
command (1)
Poll the bit
RETURN
No
AT91SAM9G45
(2)
Yes
772
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