ATSAM3U4CA-AU Atmel, ATSAM3U4CA-AU Datasheet - Page 1141
![IC MCU 32BIT 256KB FLASH 100LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
ATSAM3U4CA-AU
Manufacturer Part Number
ATSAM3U4CA-AU
Description
IC MCU 32BIT 256KB FLASH 100LQFP
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U4CA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
96MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
57
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
52K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 4x10b, 4x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
LQFP
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
52 KB
Interface Type
3xUSART, TWI, 4xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
57
Number Of Timers
8
Operating Supply Voltage
1.62 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3U-EK
Controller Family/series
SAM3U
No. Of I/o's
57
Ram Memory Size
52KB
Cpu Speed
96MHz
No. Of Timers
3
Rohs Compliant
Yes
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
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Manufacturer
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Price
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43.9.8
Table 30 describes the requirements for devices connected to the Two-wire Serial Bus. For timing symbols refer to
43-30.
Table 43-53. Two-wire Serial Bus Requirements
Note:
6430D–ATARM–25-Mar-11
Symbol
V
V
V
V
t
t
C
f
Rp
t
t
t
t
t
t
t
t
r
of
TWCK
LOW
HIGH
HD;STA
SU;STA
HD;DAT
SU;DAT
SU;STO
HD;STA
IL
IH
hys
OL
i
(1)
1. Required only for f
2. C
3.
4.
5. T
Two-wire Serial Interface Characteristics
The TWCK low Period is defined as follow:
The TWCK high period is defined as follows:
Parameter
Input Low-voltage
Input High-voltage
Hysteresis of Schmitt Trigger Inputs
Output Low-voltage
Rise Time for both TWD and TWCK
Output Fall Time from V
Capacitance for each I/O Pin
TWCK Clock Frequency
Value of Pull-up resistor
Low Period of the TWCK clock
High period of the TWCK clock
Hold Time (repeated) START Condition
Set-up time for a repeated START condition
Data hold time
Data setup time
Setup time for STOP condition
Hold Time (repeated) START Condition
CP_MCK
b
= capacitance of one bus line in pF. Per I2C Standard compatibility, C
= MCK Bus Period.
TWCK
> 100 kHz.
IHmin
to V
ILmax
T
low
T
high
=
(
=
(
CLDIV
10 pF < C
(
3 mA sink current
(
f
f
f
f
f
f
f
f
f
CHDIV
f
f
f
f
f
f
f
f
f
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
TWCK
Figure 43-30
Condition
×
> 100 kHz
> 100 kHz
> 100 kHz
> 100 kHz
> 100 kHz
> 100 kHz
> 100 kHz
> 100 kHz
> 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
≤ 100 kHz
2
b
×
CKDIV
< 400 pF
2
CKDIV
)
+
)
b
4 )
+
Max = 400pF
×
4 )
T
×
MCK
T
20 + 0.1C
20 + 0.1C
V
------------------------------------- -
MCK
V
------------------------------------- -
VDDIO
0.7xV
VDDIO
t
t
T
T
LOW -
LOW -
0.150
CP_MCK
CP_MCK
3mA
t
t
t
t
t
t
t
t
-0.3
Min
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
3mA
(3)
(3)
(4)
(4)
–
0
0
0
-
VDDIO
–
3 x
3 x
–
b
b
0,4V
(1)(2)
(1)(2)
0,4V
SAM3U Series
3 x T
3 x T
0.3 V
V
1000ns
------------------ -
CC
300ns
--------------- -
Max
300
250
400
0.4
C
10
C
CP_MCK
CP_MCK
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
+ 0.3
VDDIO
b
b
Figure
Units
kHz
1141
pF
ns
ns
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
ns
ns
μs
μs
μs
μs
V
V
V
V
Ω
Ω
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