M42800A Atmel Corporation, M42800A Datasheet - Page 88
M42800A
Manufacturer Part Number
M42800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M42800A.pdf
(224 pages)
4.M42800A.pdf
(27 pages)
Specifications of M42800A
Flash (kbytes)
0 Kbytes
Pin Count
144
Max. Operating Frequency
33 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
54
Usb Speed
No
Usb Interface
No
Spi
2
Uart
2
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
8
Self Program Memory
NO
External Bus Interface
1
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3/5.0
Fpu
No
Mpu / Mmu
no / no
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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14.12 AIC Source Vector Register
Register Name:
Access Type:
Reset Value:
• VECTOR: Interrupt Handler Address
The user may store in these registers the addresses of the corresponding handler for each interrupt source.
14.13 AIC Interrupt Vector Register
Register Name:
Access Type:
Offset:
• IRQV: Interrupt Vector Register
The IRQ Vector Register contains the vector programmed by the user in the Source Vector Register corresponding to the
current interrupt.
The Source Vector Register (1 to 31) is indexed using the current interrupt number when the Interrupt Vector Register is
read.
When there is no current interrupt, the IRQ Vector Register reads the value stored in AIC_SPU.
88
31
23
15
31
23
15
7
7
AT91M42800A
AIC_SVR0..AIC_SVR31
Read/Write
30
22
14
AIC_IVR
Read-only
0x100
30
22
14
0
6
6
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
VECTOR
VECTOR
VECTOR
VECTOR
IRQV
IRQV
IRQV
IRQV
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
1779D–ATARM–14-Apr-06
24
16
24
16
8
0
8
0
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