SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 493
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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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34.3
Table 34-2.
34.4
34.4.1
34.4.2
34.4.3
34.4.4
6257A–ATARM–20-Feb-08
Name
SEG [39:0]
COM [9:0]
I/O Lines Description
Product Dependencies
I/O Lines
Power Management
Interrupt Sources
Number of Segments and Commons
I/O Lines Description
Description
Segments control signals
Commons control signals
The pins used for interfacing the SLCD Controller may be multiplexed with PIO lines. Please
refer to product block diagram.
In this case, the assignment of the segment controls and commons are automatically done
depending on COMSEL and SEGSEL in SLCDC_MR. If I/O lines of the SLCD Controller are not
used by the application, they can be used for other purposes by the PIO Controller.
The SLCD Controller is clocked by the slow clock (SCLK). All the timings are based upon a typi-
cal value of 32 kHz for SCLK. The power management of the SLCD controller is handled by the
Shutdown Controller.
The SLCD Controller is supplied by 3V domain.
The SLCD Controller interrupt line is connected to one of the internal sources of the Advanced
Interrupt Controller. Using the SLCD Controller interrupt requires prior programming of the AIC.
The product, embeds 40 segments and 10 Commons.
AT91SAM7L128/64 Preliminary
Type
Output
Output
493
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