SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 504
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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34.5.8
Figure 34-12. SLCDC Flow Chart
504
AT91SAM7L128/64 Preliminary
Flowchart
Supply source (internal or external)
Number of com (COMSEL in SLCDC_MR)
Number of seg (SEGSEL in SLCDC_MR)
Frame rate ((PRESC + DIV) in SLCDC_FRR)
Buff on time (BUFTIME in SLCDC_MR)
Bias (BIAS in SLCDC_MR)
Update the displayed data?
ENABLES THE SLCDC
LCDEN in SLCDC_MR
ENA in SLCDC_SR
the display mode?
Change the power
INITIALIZATION
Update/Change
comsumption ?
START
ENA = 1?
No
No
No
LCDDIS in SLCDC_CR
ENA in SLCDC_SR
DIS in SLCDC_ISR
Disable interrupt?
LPMODE in SLCDC_MR
ENA bit = 0?
low-power wave form?
Enter/Exit from
No
Blink?
Write the new data in the SLCDC_MEM
Disable the SLCDC ?
No
No
No
PRESC + DIV in SLCDC_FRR
Change/Update the blinking frequency (LCDBLKFREQ in SLCDC_DR)
Change the frame rate ?
No
Change/Update the display mode (DISPMODE in SLCDC_DR)
- Normal mode
- Force off
- Force on
- Inverted mode
Change/Update the display mode (DISPMODE in SLCDC_DR)
- Blinking mode
- Inverted Blinking mode
No
SWRST in SLCDC_CR
SW reset ?
No
END
BUFTIME in SLCDC_MR
6257A–ATARM–20-Feb-08
No
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