AT91SAM7L64-AU Atmel, AT91SAM7L64-AU Datasheet - Page 504

• Manufacturer Part Number: AT91SAM7L64-AU
• Description: MCU ARM7 64K HS FLASH 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7L64-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 36MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 80
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 6K x 8
• Voltage - Supply (vcc/vdd): 1.55 V ~ 1.8 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 128-LQFP
• Controller Family/series: AT91SAM7xxx
• No. Of I/o's: 80
• Ram Memory Size: 6KB
• Cpu Speed: 36MHz
• No. Of Timers: 1
• Rohs Compliant: Yes
• Processor Series: AT91SAMx
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 6 KB
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 36 MHz
• Number Of Programmable I/os: 80
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: AT91SAM-ICE, AT91-ISP, AT91SAM7L-EK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 4 Channel
• For Use With: AT91SAM7L-STK - KIT EVAL FOR AT91SAM7LAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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