ATA6612P-PLPW Atmel, ATA6612P-PLPW Datasheet - Page 284
![MCU W/LIN TXRX REG WTCHDG 48-QFN](/photos/6/82/68297/48-qfn_sml.jpg)
ATA6612P-PLPW
Manufacturer Part Number
ATA6612P-PLPW
Description
MCU W/LIN TXRX REG WTCHDG 48-QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6612-EK.pdf
(364 pages)
Specifications of ATA6612P-PLPW
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN Exposed Pad
Processor Series
ATA6x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
SPI, TWI, USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.23
6.23.1
6.23.2
6.23.2.1
6.23.2.2
284
Boot Loader Support – Read-While-Write Self-Programming, Atmel ATA6612 and
ATA6613
Atmel ATA6612/ATA6613
Boot Loader Features
Application and Boot Loader Flash Sections
Application Section
BLS – Boot Loader Section
In Atmel
Self-Programming mechanism for downloading and uploading program code by the MCU
itself. This feature allows flexible application software updates controlled by the MCU using a
Flash-resident Boot Loader program. The Boot Loader program can use any available data
interface and associated protocol to read code and write (program) that code into the Flash
memory, or read the code from the program memory. The program code within the Boot
Loader section has the capability to write into the entire Flash, including the Boot Loader
memory. The Boot Loader can thus even modify itself, and it can also erase itself from the
code if the feature is not needed anymore. The size of the Boot Loader memory is configu-
rable with fuses and the Boot Loader has two separate sets of Boot Lock bits which can be set
independently. This gives the user a unique flexibility to select different levels of protection.
•
•
•
•
•
•
•
Note:
The Flash memory is organized in two main sections, the Application section and the Boot
Loader section (see
by the BOOTSZ Fuses as shown in
These two sections can have different level of protection since they have different sets of Lock
bits.
The Application section is the section of the Flash that is used for storing the application code.
The protection level for the Application section can be selected by the application Boot Lock
bits (Boot Lock bits 0), see
any Boot Loader code since the SPM instruction is disabled when executed from the Applica-
tion section.
While the Application section is used for storing the application code, the The Boot Loader
software must be located in the BLS since the SPM instruction can initiate a programming
when executing from the BLS only. The SPM instruction can access the entire Flash, including
the BLS itself. The protection level for the Boot Loader section can be selected by the Boot
Loader Lock bits (Boot Lock bits 1), see
Read-While-Write Self-Programming
Flexible Boot Memory Size
High Security (Separate Boot Lock Bits for a Flexible Protection)
Separate Fuse to Select Reset Vector
Optimized Page
Code Efficient Algorithm
Efficient Read-Modify-Write Support
1. A page is a section in the Flash consisting of several bytes (see
®
ATA6612 and ATA6613, the Boot Loader Support provides a real Read-While-Write
used during programming. The page organization does not affect normal operation.
(1)
Size
Figure 6-115 on page
Table 6-103 on page
Table 6-107 on page 298
Table 6-104 on page
287). The size of the different sections is configured
288. The Application section can never store
288.
and
Figure 6-115 on page
Table 6-123 on page
9111H–AUTO–01/11
306)
287.
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