AT91SAM7S256C-MU Atmel, AT91SAM7S256C-MU Datasheet - Page 568

• Manufacturer Part Number: AT91SAM7S256C-MU
• Description: IC ARM7 MCU 32BIT 256K 64-QFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256C-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
• Processor Series: AT91
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: SPI, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 5
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S256-MU; AT91SAM7S256-MU

37.8
37.8.1
Table 37-16. Electrical Parameters
37.8.2
Table 37-17. In Full Speed
568
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
AT91SAM7S Series Preliminary
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 37-3
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
6175K–ATARM–30-Aug-10
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