AT91RM9200-QI-002 Atmel, AT91RM9200-QI-002 Datasheet - Page 649

• 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: -

38.2.2
Table 38-4
tions and Timings Computation” on page
Table 38-4.
Table 38-5.
1768I–ATARM–09-Jul-09
Symbol
1/(t
t
t
t
t
t
Symbol
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
SDRAMC
CPSDCK
CHSDCK
CLSDCK
MCKtoSDCK_RISING
MCKtoSDCK_FALLING
CPSDCK
)
1
2
3
4
5
6
7
8
9
10
11
SDRAMC Signals Relative to SDCK
and
SDRAMC Clock Signal
SDRAMC Signals
Parameter
SDCKE High before SDCK Rising Edge
SDCKE Low after SDCK Rising Edge
SDCKE Low before SDCK Rising Edge
SDCKE High after SDCK Rising Edge
SDCS Low before SDCK Rising Edge
SDCS High after SDCK Rising Edge
RAS Low before SDCK Rising Edge
RAS High after SDCK Rising Edge
SDA10 Change before SDCK Rising Edge
SDA10 Change after SDCK Rising Edge
Address Change before SDCK Rising Edge
Table 38-5
Parameter
SDRAM Controller Clock Frequency
SDRAM Controller Clock Period
SDRAM Controller Clock High Half-Period
SDRAM Controller Clock Low Half-Period
MCK Rising to SDCK Rising
MCK Falling to SDCK Falling
below show timings relative to operating condition limits defined in the section
639.
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
Conditions
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
SDCKE
SDCKE
SDCKE
SDCKE
SDCKE
SDCKE
SDCKE
SDCKE
SDCS
SDCS
SDCS
SDCS
RAS
RAS
RAS
RAS
SDA10
SDA10
SDA10
SDA10
ADD
ADD
Conditions
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
derating
= 0 pF
derating
= 0 pF
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
= 0 pF
derating
t
t
t
t
t
t
t
t
t
t
t
CLMCK
CLMCK
CLMCK
CLMCK
CLMCK
CLMCK
CHMCK
CHMCK
CHMCK
CHMCK
CHMCK
- 0.015
- 0.015
- 0.028
- 0.015
- 0.015
- 0.028
5.381
4.832
0.023
0.045
0.023
0.023
12.5
0.023
Min
Min
5.6
6.9
+ 1.2
+ 1.0
+ 1.2
+ 0.6
+ 0.8
+ 0.6
- 1.4
- 1.7
- 1.9
- 1.1
- 1.2
AT91RM9200
8.038
7.219
Max
80.0
Max
38.1.1 “Condi-
Units
Units
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
ns/pF
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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