SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 203

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SAM7L128

Manufacturer Part Number
SAM7L128
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM7L128

Flash (kbytes)
128 Kbytes
Pin Count
144
Max. Operating Frequency
36 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
80
Ext Interrupts
80
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
3
Segment Lcd
40
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
460
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
6
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.8 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
23.8.2
Register Name:
Access Type:
Reset Value:
• PRIOR: Priority Level
Programs the priority level for all sources except FIQ source (source 0).
The priority level can be between 0 (lowest) and 7 (highest).
The priority level is not used for the FIQ in the related SMR register AIC_SMRx.
• SRCTYPE: Interrupt Source Type
The active level or edge is not programmable for the internal interrupt sources.
6257A–ATARM–20-Feb-08
31
23
15
7
0
0
1
1
AIC Source Mode Register
SRCTYPE
30
22
14
AIC_SMR0..AIC_SMR31
Read-write
0x0
6
SRCTYPE
0
1
0
1
29
21
13
5
Internal Interrupt Sources
High level Sensitive
Positive edge triggered
High level Sensitive
Positive edge triggered
28
20
12
4
AT91SAM7L128/64 Preliminary
27
19
11
3
26
18
10
External Interrupt Sources
Low level Sensitive
Negative edge triggered
High level Sensitive
Positive edge triggered
2
PRIOR
25
17
9
1
24
16
8
0
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