SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 625

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 32
• 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): 3.0 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: No

40.6
40.6.1
Table 40-14. Electrical Parameters
40.6.2
Table 40-15. In Full Speed
6222F–ATARM–14-Jan-11
Symbol
V
V
V
V
C
I
R
V
V
V
I
I
R
R
Symbol
t
t
t
VDDIO
VDDCORE
FR
FE
FRFM
IL
IH
DI
CM
OL
OH
CRS
IN
EXT
PUI
PUA
USB Transceiver Characteristics
Electrical Characteristics
Switching Characteristics
Parameter
Low Level
High Level
Differential Input Sensitivity
Differential Input Common Mode
Range
Transceiver capacitance
Hi-Z State Data Line Leakage
Recommended External USB
Series Resistor
Low Level Output
High Level Output
Output Signal Crossover Voltage
Current Consumption
Current Consumption
Bus Pull-up Resistor on
Upstream Port (idle bus)
Bus Pull-up Resistor on
Upstream Port (upstream port
receiving)
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall time Matching
Conditions
|(D+) - (D-)|
Capacitance to ground on each line
0V < V
In series with each USB pin with ±5%
Measured with R
to 3.6V
Measured with R
to GND
Measure conditions described in
Figure 40-3
Transceiver enabled in input mode
DDP=1 and DDM=0
Conditions
C
C
LOAD
LOAD
Pull-up Resistor
= 50 pF
= 50 pF
IN
Output Levels
Consumption
Input Levels
< 3.3V
L
L
of 1.425 kOhm tied
of 14.25 kOhm tied
SAM7SE512/256/32
0.900
1.425
Min
Min
2.0
0.2
0.8
-10
0.0
2.8
1.3
90
4
4
Typ
105
Typ
27
80
111.11
1.575
3.090
Max
9.18
+10
200
150
Max
0.8
2.5
0.3
3.6
2.0
20
20
Unit
Unit
µA
µA
µA
pF
kΩ
kΩ
ns
ns
%
V
V
V
V
Ω
V
V
V
625