AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 158
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AT91RM9200-CI-002
Manufacturer Part Number
AT91RM9200-CI-002
Description
IC ARM9 MCU 256 BGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91RM9200-EK.pdf
(41 pages)
2.AT91RM9200-DK.pdf
(2 pages)
3.AT91RM9200-QU-002.pdf
(701 pages)
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
-
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Part Number
Manufacturer
Quantity
Price
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Figure 18-3. Memory Connections for Eight External Devices
Note:
18.6.1.3
Figure 18-4. Memory Connection for an 8-bit Data Path Device
158
1. The maximum address space per device is 8 Mbytes.
AT91RM9200
SMC
Data Bus Width
NWR[1:0]
NCS[7:0]
A[22:0]
D[15:0]
NRD
A data bus width of 8 or 16 bits can be selected for each chip select. This option is controlled by
the DBW field in the SMC_CSR for the corresponding chip select. See
ters” on page
Figure 18-4
Figure 18-5
SMC
shows how to connect a 512K x 8-bit memory on NCS2 (DBW = 10).
shows how to connect a 512K x 16-bit memory on NCS2 (DBW = 01).
190.
D[15:8]
A[22:1]
NWR1
NWR0
D[7:0]
NCS2
NRD
A0
(1)
8 or 16
NCS0
NCS1
NCS2
Memory Enable
Output Enable
Write Enable
A[22:0]
D[15:0] or D[7:0]
NCS3
A[22:1]
D[7:0]
A0
Write Enable
Output Enable
Memory Enable
Memory Enable
NCS4
NCS5
Memory Enable
Memory Enable
NCS6
Memory Enable
NCS7
Memory Enable
Memory Enable
Memory Enable
“SMC Chip Select Regis-
1768I–ATARM–09-Jul-09
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