ATA6617-P3QW Atmel, ATA6617-P3QW Datasheet - Page 250

• Manufacturer Part Number: ATA6617-P3QW
• Description: MCU W/LIN TX/5V REG/WTCDG 38VQFN
• Manufacturer: Atmel
• Series: AVR® ATA66 LIN-SBCr

Specifications of ATA6617-P3QW

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, LIN, SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 38-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.22
4.22.1
4.22.2
250
Memory Programming
Atmel ATA6616/ATA6617
Program and Data Memory Lock Bits
Fuse Bits
The Atmel
be programmed (“0”) to obtain the additional features listed in
only be erased to “1” with the Chip Erase command. The Atmel ATtiny87/167 has no separate
Boot Loader section.
Table 4-67.
Table 4-68.
The Atmel
briefly the functionality of all the fuses and how they are mapped into the Fuse bytes.
The SPM instruction is enabled for the whole Flash if the SELFPRGEN fuse is programmed
(“0”), otherwise it is disabled.
Note:
Notes:
LB Mode
Lock Bit Byte
1
2
3
Memory Lock Bits
1. “1” means unprogrammed, “0” means programmed.
1.
2. “1” means unprogrammed, “0” means programmed.
®
®
LB2
LB1
Pro
ATtiny87/167 provides two Lock bits which can be left unprogrammed (“1”) or can
ATtiny87/167 has three Fuse bytes.
Lock Bit Byte
Lock Bit Protection Modes
gram the Fuse bits before programming th
LB2
1
1
0
LB1
1
0
0
(1)
Bit No
7
6
5
4
3
2
1
0
Protection Type
No memory lock features enabled.
Further programming of the Flash and EEPROM is disabled in
Parallel and Serial Programming mode. The Fuse bits are locked in
both Serial and Parallel Programming mode
Further programming and verification of the Flash and EEPROM is
disabled in Parallel and Serial Programming mode. The Fuse bits
are locked in both Serial and Parallel Programming mode
(1)(2)
Description
Lock bit
Lock bit
Table
–
–
–
–
–
–
e LB1 and LB2
4-69,
Table 4-70
Table
.
4-68. The Lock bits can
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
&
Default Value
(1)
.
Table 4-71
9132D–AUTO–12/10
(1)
describe
.