ATSAM3S1BA-AU Atmel, ATSAM3S1BA-AU Datasheet - Page 170
ATSAM3S1BA-AU
Manufacturer Part Number
ATSAM3S1BA-AU
Description
IC MCU 32BIT 64KB FLASH 64LQFP
Manufacturer
Atmel
Series
SAM3Sr
Specifications of ATSAM3S1BA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
64MHz
Connectivity
I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
47
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.62 V ~ 1.95 V
Data Converters
A/D 10x10/12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Controller Family/series
ATSAM3S
No. Of I/o's
47
Ram Memory Size
16KB
Cpu Speed
64MHz
No. Of Timers
6
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3S-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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10.21.5
• TBLOFF
Vector table base offset field. It contains bits[29:7] of the offset of the table base from the bottom of the memory map.
Bit[29] determines whether the vector table is in the code or SRAM memory region:
0 = code
1 = SRAM.
Bit[29] is sometimes called the TBLBASE bit.
When setting TBLOFF, you must align the offset to the number of exception entries in the vector table. The minimum align-
ment is 32 words, enough for up to 16 interrupts. For more interrupts, adjust the alignment by rounding up to the next power
of two. For example, if you require 21 interrupts, the alignment must be on a 64-word boundary because the required table
size is 37 words, and the next power of two is 64.
Table alignment requirements mean that bits[6:0] of the table offset are always zero.
170
TBLOFF
31
23
15
7
SAM3S Preliminary
Vector Table Offset Register
Reserved
30
22
14
6
The VTOR indicates the offset of the vector table base address from memory address
0x00000000. See the register summary in
The bit assignments are:
29
21
13
5
28
20
12
4
TBLOFF
TBLOFF
Reserved
27
19
11
3
Table 10-30 on page 164
TBLOFF
26
18
10
2
for its attributes.
25
17
9
1
6500C–ATARM–8-Feb-11
24
16
8
0
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