SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 508
![no-image](/images/manufacturer_photos/0/0/79/atmel_corporation_sml.jpg)
SAM7L128
Manufacturer Part Number
SAM7L128
Description
Manufacturer
Atmel Corporation
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
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34.7.2
Name:
Access:
Reset Value: 0x00000000
• COMSEL: Selection of the Number of Common
(Taken into account when the SLCDC is disabled.)
• SEGSEL: Selection of the Number of Segments
(Taken into account when the SLCDC is disabled.)
508
SEGSEL5
COMSEL3
...
31
23
15
0
0
0
1
1
1
7
-
-
-
-
0
0
0
0
0
0
0
0
1
1
AT91SAM7L128/64 Preliminary
SLCDC Mode Register
SLCDC_MR
Read-write
SEGSEL4
...
0
0
0
0
0
0
30
22
14
6
-
-
-
-
COMSEL2
SEGSEL3
0
0
0
0
1
1
1
1
0
0
...
0
0
0
0
0
0
29
21
13
5
-
-
BIAS
SEGSEL2
COMSEL1
...
0
0
0
1
1
1
0
0
1
1
0
0
1
1
0
0
28
20
12
s
4
-
-
SEGSEL1
...
0
0
1
0
1
1
COMSEL0
27
19
11
3
-
0
1
0
1
0
1
0
1
0
1
SEGSEL0
SEGSEL
...
0
1
0
1
0
1
26
18
10
2
-
I/O Port in Use as
Segment Driver
BUFTIME
COMSEL
COM Pin
COM0:1
COM0:2
COM0:3
COM0:4
COM0:5
COM0:6
COM0:7
COM0:8
COM0:9
SEG0:37
SEG0:38
SEG0:39
COM0
SEG0:1
SEG0
SEG0
...
25
17
9
1
-
6257A–ATARM–20-Feb-08
I/O Port Pin
Number of
Segments
Maximum
COM1:9
COM2:9
COM3:9
COM4:9
COM5:9
COM6:9
COM7:9
COM8:9
COM9
None
LPMODE
38
39
40
...
1
2
3
24
16
8
0
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