ATMEGA16HVA-4CKU Atmel, ATMEGA16HVA-4CKU Datasheet - Page 149
ATMEGA16HVA-4CKU
Manufacturer Part Number
ATMEGA16HVA-4CKU
Description
MCU AVR 16K FLASH 4MHZ 36-LGA
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA16HVA-4CKU.pdf
(196 pages)
Specifications of ATMEGA16HVA-4CKU
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
7
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 9 V
Data Converters
A/D 5x12b
Oscillator Type
External
Operating Temperature
-20°C ~ 85°C
Package / Case
36-LGA
Processor Series
ATMEGA16x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
4 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT, ATAVRSB200, ATAVRSB201
Minimum Operating Temperature
- 20 C
On-chip Adc
12 bit, 5 Channel
For Use With
ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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27. Memory Programming
27.1
27.2
8024A–AVR–04/08
Program And Data Memory Lock Bits
Fuse Bits
The ATmega8HVA/16HVA provides two 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 27-1.
Note:
Table 27-2.
Notes:
The ATmega8HVA/16HVA has two Fuse bytes.
functionality of all the fuses and how they are mapped into the Fuse byte. Note that the fuses are
read as logical zero, “0”, if they are programmed.
Lock Bit Byte
LB2
LB1
LB Mode
1
2
3
1. “1” means unprogrammed, “0” means programmed
1. Program the Fuse bits before programming the LB1 and LB2.
2. “1” means unprogrammed, “0” means programmed.
Memory Lock Bits
Lock Bit Byte
Lock Bit Protection Modes
LB2
1
1
0
Bit No
LB1
1
0
0
7
6
5
4
3
2
1
0
Protection Type
No memory lock features enabled.
The Fuse bits are locked, and further programming of the
Flash and EEPROM is disabled in Programming mode.
The Fuse bits are locked, and further programming and
verification of the Flash and EEPROM is disabled in
Programming mode.
Description
–
–
–
–
–
–
Lock bit
Lock bit
(1)(2)
Table 27-4
ATmega8HVA/16HVA
(1)
and
Table
Table 27-3
27-2. The Lock bits can only
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
describe briefly the
(1)
(1)
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