SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 215
SAM4S16C
Manufacturer Part Number
SAM4S16C
Description
Manufacturer
Atmel Corporation
Specifications of SAM4S16C
Flash (kbytes)
1024 Kbytes
Pin Count
100
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
2
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
16
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
YES
External Bus Interface
1
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
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11.9.1.4
Name:
Access:
Reset:
The SCB_VTOR register indicates the offset of the vector table base address from memory address 0x00000000.
• TBLOFF: Vector Table Base Offset
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.
It is sometimes called the TBLBASE bit.
Note:
Table alignment requirements mean that bits[6:0] of the table offset are always zero.
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11
TBLOFF
31
23
15
7
When setting TBLOFF, the offset must be aligned to the number of exception entries in the vector table. Configure the next
statement to give the information required for your implementation; the statement reminds the user of how to determine the
alignment requirement. The minimum alignment 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 21 interrupts are required, 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.
Vector Table Offset Register
SCB_VTOR
Read-write
0x000000000
30
22
14
6
29
21
13
5
28
20
12
4
TBLOFF
TBLOFF
TBLOFF
27
19
11
3
–
26
18
10
2
25
17
9
1
SAM4S
SAM4S
24
16
8
0
215
215
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