SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1145

• Manufacturer Part Number: SAM3U2E
• Manufacturer: Atmel Corporation

Specifications of SAM3U2E

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 57
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 5
• Twi (i2c): 2
• Uart: 5
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 36
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table 43-50. SMC Write Signals - NWE Controlled (WRITE_MODE = 1) (Continued)
Table 43-51. SMC Write NCS Controlled (WRITE_MODE = 0)
Notes:
6430E–ATARM–29-Aug-11
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
2. 1.8V domain: VDDIO from 1.65V to 1.95V, maximum external capacitor = 25 pF
3. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 25 pF.
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)
HOLD SETTINGS (nwe hold ≠ 0)
wr hold)* t
(ncs wr setup -
(nwe hold - ncs
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(ncs wr hold -
ncs wr hold *
nwe setup +
ncs pulse)*
t
t
nwe hold)*
t
CPMCK
CPMCK
nwe hold *
t
t
t
t
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.8V
1.8V
- 3
4
- 2.5
- 6.5
(2)
- 5.5
(2)
- 5
- 3
- 3
- 5
CPMCK
Min
Min
(ncs wr setup -
ncs wr pulse *
ncs wr pulse *
ncs wr setup *
(nwe hold - ncs
(ncs wr hold -
ncs wr hold *
nwe setup +
t
t
ncs pulse)*
t
nwe hold)*
CPMCK
CPMCK
CPMCK
t
t
t
t
nwe hold *
CPMCK
CPMCK
CPMCK
CPMCK
t
wr hold)*
3.3V
CPMCK
3.3V
4
- 2.5
- 5.5
- 4.5
(3)
- 5.5
- 5
- 2
- 2
(3)
- 3
1.8V
1.8V
(2)
(2)
Max
Max
SAM3U Series
3.3V
3.3V
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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