SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1145
SAM3U2E
Manufacturer Part Number
SAM3U2E
Description
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
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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
1145
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