SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 504

• Manufacturer Part Number: SAM7L128
• 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

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