SAM9261 Atmel Corporation, SAM9261 Datasheet - Page 678

• Manufacturer Part Number: SAM9261
• Manufacturer: Atmel Corporation

Specifications of SAM9261

• Flash (kbytes): 0 Kbytes
• Pin Count: 217
• Max. Operating Frequency: 240 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 3
• Usb Speed: Full Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 1
• Uart: 4
• Ssc: 3
• Sd / Emmc: 1
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 160
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.08 to 1.32
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

39.8
Table 39-17. SMC Read Signals with Hold Settings
678
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
SMC
1
2
3
4
5
6
7
8
9
10
11
EBI Timings
AT91SAM9261
Parameter
VDDIOM Supply
VDDCORE Supply
Data Setup before NRD High
Data Hold after NRD High
NRD High to NBS0/A0 Change
NRD High to NBS1 Change
NRD High to NBS2/A1 Change
NRD High to NBS3 Change
NRD High to A2 - A25 Change
NRD High to NCS Inactive
NRD Pulse Width
Data Setup before NCS High
Data Hold after NCS High
As T
These timings are given for worst case Process, T° = 85°C and VDDCORE = Min.
First column for VDDIOM in 1.8V Supply range (1.65V-1.95V) and 30 pF load capacitance.
Second column for VDDIOM in 3.3V Supply range (3.0V-3.6V) and 50 pF load capacitance.
SLCK
– T
– T1 = 91.5 µs
– T2 = 488 µs
is the period of the external 32.768 kHz oscillator.
RES
(1)
(1)
(1)
= 50 µs
(1)
(1)
(1)
NRD Controlled (READ_MODE = 1)
NCS Controlled (READ_MODE = 0)
nrd hold length
nrd hold length
nrd hold length
nrd hold length
nrd hold length
length * t
length - ncs rd
* t
* t
* t
* t
hold length) *
* t
t
CPMCK
CPMCK
nrd pulse
CPMCK
CPMCK
CPMCK
(nrd hold
CPMCK
1.08V
13.5
- 0.2
16.5
0
0
- 0.4
+ 0.2
+ 0.2
+ 0.1
CPMCK
+ 0.2
- 0.5
1.8V
length * t
length * t
length * t
length * t
length * t
length * t
length - ncs rd
hold length) *
t
CPMCK
nrd pulse
(nrd hold
nrd hold
nrd hold
nrd hold
nrd hold
nrd hold
+ 0.2
+ 0.2
+ 0.2
+ 0.1
1.2V
10.6
- 0.5
- 0.2
12.7
0
0
CPMCK
CPMCK
- 0.3
CPMCK
CPMCK
CPMCK
CPMCK
Min
length * t
length * t
length * t
length * t
length * t
length - ncs rd
length * t
hold length) *
t
CPMCK
nrd pulse
(nrd hold
nrd hold
nrd hold
nrd hold
nrd hold
nrd hold
1.08V
+ 0.2
+ 0.1
+ 0.2
+ 0.1
+ 0.1
10.7
- 0.7
13.6
0
0
CPMCK
CPMCK
- 0.4
CPMCK
CPMCK
CPMCK
CPMCK
3.3V
nrd pulse length
(nrd hold length
length) * t
nrd hold length
nrd hold length
nrd hold length
nrd hold length
nrd hold length
* t
* t
* t
* t
* t
* t
- ncs rd hold
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.2V
- 0.3
10.6
8.5
0
0
6062N–ATARM–3-Oct-11
+ 0.1
+ 0.2
+ 0.1
+ 0.2
- 0.0
- 0.5
CPMCK
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns