ATSAM3U1CA-CU Atmel, ATSAM3U1CA-CU Datasheet - Page 62
ATSAM3U1CA-CU
Manufacturer Part Number
ATSAM3U1CA-CU
Description
IC MCU 32BIT 64KB FLASH 100TFBGA
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U1CA-CU
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
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
20K 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-TFBGA
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
20 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
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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13.3.3.6
• N
Negative or less than flag:
0 = operation result was positive, zero, greater than, or equal
1 = operation result was negative or less than.
• Z
Zero flag:
0 = operation result was not zero
1 = operation result was zero.
62
31
23
15
N
7
SAM3U Series
Application Program Status Register
30
22
14
Z
6
The PSR bit assignments are:
Access these registers individually or as a combination of any two or all three registers, using
the register name as an argument to the MSR or MRS instructions. For example:
The PSR combinations and attributes are:
Table 13-3.
1.
2.
See the instruction descriptions
tion about how to access the program status registers.
The APSR contains the current state of the condition flags from previous instruction executions.
See the register summary in
Register
PSR
IEPSR
IAPSR
EAPSR
• read all of the registers using PSR with the MRS instruction
• write to the APSR using APSR with the MSR instruction.
The processor ignores writes to the IPSR bits.
Reads of the EPSR bits return zero, and the proces-
29
21
13
C
5
sor ignores writes to the these bits.
Type
RW
RO
RW
RW
PSR register combinations
(1)
(2)
(1), (2)
ICI/IT
EPSR and IPSR
Combination
APSR, EPSR, and IPSR
APSR and IPSR
APSR and EPSR
28
20
12
V
4
ISR_NUMBER
Table 13-2 on page 59
Reserved
“MRS” on page 159
27
19
11
Q
3
for its attributes. The bit assignments are:
and
26
18
10
2
“MSR” on page 160
ICI/IT
Reserved
25
17
9
1
6430D–ATARM–25-Mar-11
for more informa-
ISR_NUMBER
24
16
T
8
0
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