M42800A Atmel Corporation, M42800A Datasheet - Page 62
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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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AIC Source Mode Register
Register Name: AIC_SMR0 - AIC_SMR31
Access Type:
Reset Value:
Offset:
• PRIOR: Priority Level (Code Label AIC_PRIOR)
Program the priority level for all sources except source 0 (FIQ).
The priority level can be between 0 (lowest) and 7 (highest).
The priority level is not used for the FIQ, in the SMR0.
• SRCTYPE: Interrupt Source Type
Program the input to be positive or negative level sensitive or positive or negative edge triggered.
The active level or edge is not programmable for the internal sources.
62
0
0
1
1
x
x
31
23
15
SRCTYPE
SRCTYPE
–
–
–
–
7
AT91X40 Series
0
1
0
1
0
1
Read/Write
0
0x000 - 0x07C
30
22
14
–
–
–
6
External Sources
Low Level Sensitive
Negative Edge Triggered
High Level Sensitive
Positive Edge Triggered
Internal Sources
Level Sensitive
Edge Triggered
SRCTYPE
29
21
13
–
–
–
5
28
20
12
–
–
–
–
4
27
19
11
–
–
–
–
3
AIC_SRCTYPE_EXT_NEGATIVE_EDGE
AIC_SRCTYPE_EXT_POSITIVE_EDGE
AIC_SRCTYPE_EXT_HIGH_LEVEL
AIC_SRCTYPE_EXT_LOW_LEVEL
AIC_SRCTYPE_INT_LEVEL
AIC_SRCTYPE_INT_EDGE
26
18
10
–
–
–
2
AIC_SRCTYPE
AIC_SRCTYPE
Code Label
Code Label
PRIOR
25
17
–
–
9
–
1
1354D–ATARM–08/02
24
16
–
–
–
8
0
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