AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 139

• 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: -

17.4.2
Figure 17-2. EBI Connections to Memory Devices
1768I–ATARM–09-Jul-09
Connection Examples
EBI
A1/NWR2/NBS2
NWR1/NBS1
NWR3/NBS3
NWR0/NWE
NCS0/BFCS
NCS1/SDCS
NRD/NOE
A0/NBS0
A18-A25
A16/BA0
A17/BA1
A2-A15
BFRDY
D0-D31
BFCLK
SDCKE
BFAVD
SDA10
NCS2
NCS3
NCS4
NCS5
NCS6
NCS7
BFWE
SDWE
BFOE
SDCK
RAS
CAS
Figure 17-2
A0/NWR0/NBS0
NRD/NOE
D0-D7
D16-D23
D0-D15
below shows an example of connections between the EBI and external devices.
D0-D7
NBS0
SDWE
SDWE
NBS2
D0-D7
CS
CLK
CKE
WE
RAS
CAS
DQM
D0-D15
CE
CLK
OE
WE
AVD
RDY
D0-D7
CS
CLK
CKE
WE
RAS
CAS
DQM
OE
D0-D7
CS
WE
Burst Flash
SDRAM
SDRAM
2M x 16
128K x 8
2M x 8
2M x 8
SRAM
A0-A9, A11
A0-A9, A11
A0-A16
A0-A20
BA0
BA1
BA0
BA1
A10
A10
A2-A11, A13
SDA10
A16/BA0
A17/BA1
A2-A11, A13
SDA10
A16/BA0
A17/BA1
A1-A17
A1-A21
D8-D15
NWR1/NBS1
NRD/NOE
D24-D31
D8-D15
SDWE
SDWE
NBS3
NBS1
D0-D7
CS
OE
WE
128K x 8
D0-D7
CS
CLK
CKE
WE
RAS
CAS
DQM
D0-D7
CS
CLK
CKE
WE
RAS
CAS
DQM
SRAM
SDRAM
SDRAM
2M x 8
2M x 8
A0-A16
A0-A9, A11
A0-A9, A11
BA0
BA1
A10
BA0
BA1
A10
AT91RM9200
A2-A11, A13
SDA10
A16/BA0
A17/BA1
A1-A17
A2-A11, A13
SDA10
A16/BA0
A17/BA1
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