AT91SAM7L64-AU Atmel, AT91SAM7L64-AU Datasheet - Page 501

MCU ARM7 64K HS FLASH 128-LQFP

AT91SAM7L64-AU

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

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

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT91SAM7L64-AU
Manufacturer:
Atmel
Quantity:
10 000
34.5.4
Figure 34-9. Memory Management
34.5.5
6257A–ATARM–20-Feb-08
COM0 time slot
COM1 time slot
COM2 time slot
SLCDC memory
Display Features
COM0
COM1
COM2
When a bit in the display memory (SLDC_MEM) is written to one, the corresponding segment is
energized (on), and non-energized when a bit in the display memory is written to zero.
At the beginning of each common, the display buffer is updated. The value of the previous com-
mon is latched in the display memory (it’s value is transferred from the user buffer to the frame
buffer).
The advantages of this solution are:
In order to improve the flexibility of SLCDC the following set of display modes are embedded:
• Ability to access the user buffer at any time in the frame, in any display mode and even in low
• Ability to change only one pixel without reloading the picture
1. Force Mode Off: All pixels are turned off and the memory content is kept.
2. Force Mode On: All pixels are turned on and the memory content is kept.
3. Inverted Mode: All pixels are set in the inverted state as defined in SLCDC memory and
4. Two Blinking Modes:
5. Buffer Swap Mode: All pixels are alternatively assigned to the state defined in the user
power waveform
loaded from the usr buff
Display data previously
the memory content is kept.
– Standard Blinking Mode: All pixels are alternately turned off to the predefined state
– Inverted Blinking Mode: All pixels are alternately turned off to the predefined
buffer then to the state defined in the display buffer.
to the disp buff
in SLCDC memory at LCDBLKFREQ frequency.
opposite state in SLCDC memory at LCDBLKFREQ frequency.
loaded from the usr buff
Display data previously
usr buff to the disp buff
Load data from the
to the disp buff
AT91SAM7L128/64 Preliminary
loaded from the usr buff
usr buff to the disp buff
Display data previously
Load data from the
to the disp reg
usr buff = user buffer
disp buf = display buffer
usr buff to the disp buff
Load data from the
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