SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 1144
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 43-49. SMC Read Signals - NCS Controlled (READ_MODE= 0)
43.9.6.2
Table 43-50. SMC Write Signals - NWE Controlled (WRITE_MODE = 1)
1144
Symbol
SMC
SMC
SMC
SMC
SMC
SMC
SMC
Symbol
SMC
SMC
SMC
SMC
HOLD SETTINGS (ncs rd hold ≠ 0)
8
9
10
11
12
13
14
15
16
17
18
SAM3U Series
Parameter
Data Setup before NCS High
Data Hold after NCS High
Data Setup before NCS High
Data Hold after NCS High
A2 - A25 valid before NCS High
NRD low before NCS High
NCS Pulse Width
Write Timings
Parameter
Data Out Valid before NWE High
NWE Pulse Width
NBS0/A0 NBS1, NBS2/A1, NBS3,
A2 - A25 valid before NWE low
NCS low before NWE high
NBS0/A0, NBS1, NBS2/A1, NBS3,
VDDIO supply
HOLD or NO HOLD SETTINGS (ncs rd hold ≠ 0, ncs rd hold = 0)
HOLD or NO HOLD SETTINGS (nwe hold ≠ 0, nwe hold = 0)
NO HOLD SETTINGS (ncs rd hold = 0)
(ncs rd setup +
(ncs rd setup +
length * t
ncs rd pulse)*
ncs rd pulse -
ncs rd setup +
ncs rd pulse
t
(nwe setup -
nwe pulse) *
nrd setup)*
nwe pulse *
nwe pulse *
nwe setup *
CPMCK
t
t
t
t
t
CPMCK
CPMCK
CPMCK
CPMCK
CPMCK
1.8V
1.8V
20
18
- 5
0
0
- 3.5
(2)
CPMCK
(2)
- 2
+ 8
+ 2
- 4
- 5
Min
Min
length * t
+ ncs rd pulse
pulse)* t
(ncs rd setup
(ncs rd setup
- nrd setup)*
ncs rd pulse
ncs rd setup +
(nwe setup -
nwe pulse) *
t
nwe setup *
nwe pulse *
nwe pulse *
t
+ ncs rd
CPMCK
CPMCK
t
t
t
3.3V
CPMCK
CPMCK
CPMCK
3.3V
16
15
- 3
- 5
0
0
CPMCK
CPMCK
(3)
- 2
- 3.5
(3)
+ 7
+ 3
- 5
1.8V
1.8V
(2)
(2)
Max
Max
3.3V
3.3V
6430E–ATARM–29-Aug-11
(3)
(3)
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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