ATMEGA32HVB-8X3 Atmel, ATMEGA32HVB-8X3 Datasheet - Page 208
![MCU AVR 32KB FLASH 8MHZ 44TSSOP](/photos/12/32/123222/44x1-tssop_sml.jpg)
ATMEGA32HVB-8X3
Manufacturer Part Number
ATMEGA32HVB-8X3
Description
MCU AVR 32KB FLASH 8MHZ 44TSSOP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA32HVB-8X3
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI
Peripherals
POR, WDT
Number Of I /o
17
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 25 V
Data Converters
A/D 7x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TSSOP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, TWI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
17
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 7 Channel
Package
44TSSOP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
5|9|12|15|18|24 V
For Use With
ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA32HVB-8X3
Manufacturer:
Atmel
Quantity:
408
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30. Memory Programming
30.1
8042B–AVR–06/10
Program And Data Memory Lock Bits
The ATmega16HVB/32HVB provides six Lock bits which can be left unprogrammed (“1”) or can
be programmed (“0”) to obtain the additional features listed in
be erased to “1” with the Chip Erase command.
Table 30-1.
Note:
Table 30-2.
Lock Bit Byte
BLB12
BLB11
BLB02
BLB01
LB2
LB1
Mode
BLB0
Mode
LB
1
2
3
1
2
3
4
Memory Lock Bits
1. “1” means unprogrammed, “0” means programmed
BLB02
LB2
Lock Bit Byte
Lock Bit Protection Modes
1
1
0
1
1
0
0
BLB01
LB1
1
0
0
1
0
0
1
(1)
Bit No
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 Boot Lock
bits and Fuse bits are locked in both Serial and Parallel
Programming mode.
No restrictions for SPM or LPM accessing the Application section.
SPM is not allowed to write to the Application section.
SPM is not allowed to write to the Application section, and LPM
executing from the Boot Loader section is not allowed to read from
the Application section. If Interrupt Vectors are placed in the Boot
Loader section, interrupts are disabled while executing from the
Application section.
LPM executing from the Boot Loader section is not allowed to read
from the Application section. If Interrupt Vectors are placed in the
Boot Loader section, interrupts are disabled while executing from
the Application section.
7
6
5
4
3
2
1
0
(1)(2)
Description
–
–
Boot Lock bit
Boot Lock bit
Boot Lock bit
Boot Lock bit
Lock bit
Lock bit
(1)
ATmega16HVB/32HVB
Table
30-2. The Lock bits can only
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
(1)
208
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