AT91RM9200-QI-002 Atmel, AT91RM9200-QI-002 Datasheet - Page 172

• 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: -

Figure 18-26. Read Access in LCD Interface Mode
Figure 18-27. Write Access in LCD Interface Mode
18.6.7
18.6.7.1
172
A[22:0]
A[22:0]
D[15:0]
NWE
MCK
NRD
MCK
NCS
NCS
AT91RM9200
Memory Access Waveforms
Read Accesses in Standard and Early Protocols
Data from LCD Controller
ACCS
ACSS
Figure 18-28 on page 173
for external memory read protocol.
ACSS = 3, NWEN = 1, NWS = 10
through
ACCS = 2, NWEN = 1, NWS = 10
Figure 18-31 on page 176
show examples of the alternatives
ACSS
1768I–ATARM–09-Jul-09
ACCS