SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 618

• Manufacturer Part Number: SAM7X256
• Manufacturer: Atmel Corporation

Specifications of SAM7X256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 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): 64
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

38.6
38.6.1
Table 38-13. Electrical Parameters
38.6.2
Table 38-14. In Full Speed
618
Symbol
V
V
V
V
C
I
R
V
V
V
I
I
Symbol
t
t
t
VDDIO
VDDCORE
FR
FE
FRFM
OL
OH
IL
IH
DI
CM
CRS
IN
EXT
USB Transceiver Characteristics
SAM7X512/256/128
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
Parameter
Transition Rise Time
Transition Fall Time
Rise/Fall time Matching
Capacitance to ground on each line
Conditions
|(D+) - (D-)|
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 38-3
Transceiver enabled in input mode
DDP=1 and DDM=0
Conditions
C
C
LOAD
LOAD
IN
= 50 pF
= 50 pF
Output Levels
Consumption
< 3.3V
Input Levels
L
L
of 1.425 kOhm tied
of 14.25 kOhm tied
Min
90
Min
4
4
2.0
0.2
0.8
-10
0.0
2.8
1.3
Typ
Typ
105
27
80
6120I–ATARM–06-Apr-11
111.11
Max
Max
9.18
+10
200
150
0.8
2.5
0.3
3.6
2.0
20
20
Unit
Unit
pF
µA
µA
µA
ns
ns
%
V
V
V
V
Ω
V
V
V