AT91SAM7L128-CU Atmel, AT91SAM7L128-CU Datasheet - Page 503
AT91SAM7L128-CU
Manufacturer Part Number
AT91SAM7L128-CU
Description
MCU ARM7 128K HS FLASH 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7L64-CU.pdf
(564 pages)
Specifications of AT91SAM7L128-CU
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
128KB (128K 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
144-LFBGA
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
Company:
Part Number:
AT91SAM7L128-CU
Manufacturer:
Atmel
Quantity:
2 660
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34.5.7.2
6257A–ATARM–20-Feb-08
Software Reset
Figure 34-10. Disabling Sequence
When the LCD software reset command is activated during a frame it is immediately taken into
account and all commons and segments are tied to ground.
Note that in the case of a software reset, the disable interrupt is not asserted.
Figure 34-11. Software Reset
End of Frame Interrupt
Disable Command
End Of Frame Interrupt
Disable Interrupt
SW Reset Command
-V
GND
V
-1/3
LCD
LCD
1/3
-V
Common
GND
V
ENA bit
-1/3
LCD
LCD
1/3
Common
Disable Example for Three Commons
AT91SAM7L128/64 Preliminary
SW Reset Example for Three Commons
The disable command is activated
The SW reset command is activated
The common is immediatly tied to ground
The command is taken into account
The common is tied to ground
The SLCDC is really disabled
503
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