AT91RM9200-QI-002 Atmel, AT91RM9200-QI-002 Datasheet - Page 144

• Manufacturer Part Number: AT91RM9200-QI-002
• Description: IC ARM9 MCU 208 PQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-QI-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: 208-MQFP, 208-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

17.6.7
144
AT91RM9200
NAND Flash/ SmartMedia Support
Figure 17-5. CompactFlash Application Example
The EBI integrates circuitry that interfaces to NAND Flash/SmartMedia devices.
The NAND Flash/SmartMedia logic is driven by the Static Memory Controller on the NCS3
address space. Programming the CS3A field in the Chip Select Assignment Register to the
appropriate value enables the NAND Flash/SmartMedia logic
Select Assignment Register” on page 152.)
device is then made by accessing the address space reserved to NCS3 (i.e., between 0x4000
0000 and 0x4FFF FFFF).
The NAND Flash/SmartMedia Logic drives the read and write command signals of the SMC on
the SMOE and SMWE signals when the NCS3 signal is active. SMOE and SMWE are invali-
dated as soon as the transfer address fails to lie in the NCS3 address space. For details on
these waveforms, refer to the Static Memory Controller
The SMWE and SMOE signals are multiplexed with BFRDY and BFBAA signals of the Burst
Flash Controller. This multiplexing is controlled in the MUX logic part of the EBI by the CS3A
field of the Chip Select Assignment Register
Register” on page 152.)
NWR3/CFIOW
NWR1/CFIOR
NCS4/CFCS
A25/CFRNW
NWE/CFWE
NCS5/CFE1
NCS6/CFE2
EBI
NOE/CFOE
A22/REG
CD (PIO)
D[15:0]
NWAIT
A[10:0]
This logic also controls the direction of the BFRDY/SMOE pad.
(See Section 17.8.1 ”EBI Chip Select Assignment
Access to an external NAND Flash/SmartMedia
DIR
/OE
/OE
Section 18.1 “Description” on page
(See Section 17.8.1 ”EBI Chip
CompactFlash Connector
D[15:0]
_CD1
_CD2
A[10:0]
_REG
_OE
_WE
_IORD
_IOWR
_CE1
_CE2
_WAIT
1768I–ATARM–09-Jul-09
155.