AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 1172

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

Table 46-30. SMC Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Notes:
Table 46-31. SMC Write NCS Controlled (WRITE_MODE = 0)
1172
Symbol
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
19
20
21
22
23
24
25
26
27
1. hold length = total cycle duration - setup duration - pulse duration. “hold length” is for “ncs wr hold length” or “NWE hold
AT91SAM9G45
length”.
Parameter
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2 - A25
change
NWE High to NCS Inactive
NWE High to Data OUT, NBS0/A0
NBS1, NBS2/A1, NBS3, A2 - A25, NCS
change
Parameter
Data Out Valid before NCS High
NCS Pulse Width
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2 - A25 valid before NCS low
NWE low before NCS high
NCS High to Data Out, NBS0/A0, NBS1,
NBS2/A1, NBS3, A2 - A25, change
NCS High to NWE Inactive
(1)
)
(1)
NO HOLD SETTINGS (nwe hold = 0)
(nwe hold - ncs wr hold)* t
(ncs wr hold - nwe hold)* t
(ncs wr setup - nwe setup + ncs
ncs wr pulse * t
ncs wr pulse * t
ncs wr setup * t
ncs wr hold * t
nwe hold * t
pulse)* t
1.8V Supply
1.8V Supply
2.0
3.2
1.6
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
- 2.4
- 4.0
- 4.1
- 0.5
- 3.3
- 2.8
CPMCK
CPMCK
Min
Min
-
-
(ncs wr setup - nwe setup +
ncs wr pulse * t
ncs wr setup * t
ncs wr pulse * t
ncs wr hold * t
(ncs wr hold - nwe hold)*
(nwe hold - ncs wr hold)*
ncs pulse)* t
nwe hold * t
3.3V Supply
3.3V Supply
t
t
CPMCK
CPMCK
1.4
CPMCK
CPMCK
- 2.8
- 4.0
CPMCK
CPMCK
CPMCK
CPMCK
6438F–ATARM–21-Jun-10
- 2.7
- 4.6
- 4.6
- 0.2
- 4.1
- 3.5
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns