AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 522

• 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: -

33.5
33.5.1
33.5.2
33.5.3
33.6
Figure 33-3. Multimedia Memory Card Bus Topology
1768I–ATARM–09-Jul-09
Product Dependencies
Bus Topology
I/O Lines
Power Management
Interrupt
The pins used for interfacing the MultiMedia Cards or SD Cards may be multiplexed with PIO
lines. The programmer must first program the PIO controllers to assign the peripheral functions
to MCI pins.
The MCI may be clocked through the Power Management Controller (PMC), so the programmer
must first configure the PMC to enable the MCI clock.
The MCI interface has an interrupt line connected to the Advanced Interrupt Controller (AIC).
Handling the MCI interrupt requires programming the AIC before configuring the MCI.
The MultiMedia Card communication is based on a 7-pin serial bus interface. It has three com-
munication lines and four supply lines.
Table 33-2.
Notes:
Pin
Number
1
2
3
4
5
6
7
2. When several MCI (x MCI) are embedded in a product, MCCK refers to MCIx_CK, MCCDA to
1. I: Input, O: Output, PP: Push/Pull, OD: Open Drain.
MCIx_CDA, MCCDB to MCIx_CDB, MCDAy to MCIx_DAy, MCDBy to MCIx_DBy.
Bus Topology
Name
RSV
CMD
VSS1
VDD
CLK
VSS2
DAT[0]
1
2 3 4 5 6
Type
NC
I/O/PP/OD
S
S
I/O
S
I/O/PP
MMC
(1)
7
Description
Not connected
Command/response
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data 0
MCCDz
AT91RM9200
MCI Pin Name
(Slot z)
-
VSS
VDD
MCCK
VSS
MCDz0
(2)
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