AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 530

• Manufacturer Part Number: AT91RM9200-CI-002
• Description: IC ARM9 MCU 256 BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-CI-002

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 180MHz
• Connectivity: EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: POR
• Number Of I /o: 122
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

Figure 33-11. Write Functional Flow Diagram
Note:
1768I–ATARM–09-Jul-09
1. It is assumed that this command has been correctly sent (see
Number of words to write = BlockLength/4
Reset the PDCMODE bit
MCI_MR &= ~PDCMODE
Set the block length
MCI_MR |= (BlockLenght <<16)
Number of words to write = 0 ?
Read status register MCI_SR
Send WRITE_SINGLE_BLOCK
Number of words to write -1
Number of words to write =
MCI_TDR = Data to write
TXRDY = 0?
No
command (1)
Poll the bit
No
No
Send SET_BLOCKLEN command
Send SELECT/DESELECT_CARD
command (1) to select the card
Yes
Yes
RETURN
Write using PDC
Figure
(1)
Configure the PDC channel
MCI_TPR = Data Buffer Address to write
MCI_TCR = BlockLength/4
33-9).
Yes
Set the PDCMODE bit
MCI_MR |= PDCMODE
Set the block length
MCI_MR |= (BlockLength << 16)
Send WRITE_SINGLE_BLOCK
Read status register MCI_SR
MCI_PTCR = TXTEN
NOTBUSY= 0?
command (1)
Poll the bit
RETURN
No
AT91RM9200
Yes
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