AT91SAM7L128-CU Atmel, AT91SAM7L128-CU Datasheet - Page 107
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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Figure 17-2. Raising the Backup Power Supply
17.3.4.2
6257A–ATARM–20-Feb-08
Zero-Power Power-On
Backup Power Supply
Reset Cell output
RC Oscillator output
vddcore_nreset
vr_standby
NRSTB Asynchronous Reset Pin
supply_on
sram_on
FWUP
vr_ok
Reading FWUPS to 0 means SUPC_SR has already been read since the power up of the
backup power supply and thus, it is not necessary to initialize the Supply Controller.
The NRSTB pin is an asynchronous reset input, which acts exactly like the zero-power power-on
reset cell.
As soon as NRSTB is tied to GND, the supply controller is reset and all the system parts are
powered off.
When NRSTB is released, the system can start as described in
Backup Power
Supply”.
30 Slow Clock Cycles = about 1ms
AT91SAM7L128/64 Preliminary
at least 1 Slow Clock Cycle
Section 17.3.4.1 ”Raising the
107
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