ATMEGA16L-8AI Atmel, ATMEGA16L-8AI Datasheet - Page 260
![IC AVR MCU 16K LV 8MHZ IND44TQFP](/photos/6/70/67042/313-44-tqfp_sml.jpg)
ATMEGA16L-8AI
Manufacturer Part Number
ATMEGA16L-8AI
Description
IC AVR MCU 16K LV 8MHZ IND44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA16L-8AI
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (8K x 16)
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 ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA16L-8AI
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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Fuse Bits
2466T–AVR–07/10
Table 104. Lock Bit Protection Modes (Continued)
Notes:
The ATmega16 has two fuse bytes.
all the fuses and how they are mapped into the fuse bytes. Note that the fuses are read as logi-
cal zero, “0”, if they are programmed.
Table 105. Fuse High Byte
Notes:
BLB1 Mode
Fuse High
Byte
OCDEN
JTAGEN
SPIEN
CKOPT
EESAVE
BOOTSZ1
BOOTSZ0
BOOTRST
1
2
3
4
Memory Lock Bits
(1)
1. Program the Fuse bits before programming the Lock bits.
2. “1” means unprogrammed, “0” means programmed
1. The SPIEN Fuse is not accessible in SPI Serial Programming mode.
2. The CKOPT Fuse functionality depends on the setting of the CKSEL bits. See
3. The default value of BOOTSZ1..0 results in maximum Boot Size. See
4. Never ship a product with the OCDEN Fuse programmed regardless of the setting of Lock bits
5. If the JTAG interface is left unconnected, the JTAGEN fuse should if possible be disabled. This
(2)
(4)
(5)
Sources” on page 25.
and the JTAGEN Fuse. A programmed OCDEN Fuse enables some parts of the clock system
to be running in all sleep modes. This may increase the power consumption.
to avoid static current at the TDO pin in the JTAG interface.
No.
BLB12
Bit
7
6
5
4
3
2
1
0
1
1
0
0
Description
Enable OCD
Enable JTAG
Enable SPI Serial Program and
Data Downloading
Oscillator options
EEPROM memory is preserved
through the Chip Erase
Select Boot Size (see
for details)
Select Boot Size (see
for details)
Select reset vector
(2)
BLB11
1
0
0
1
for details.
Protection Type
No restrictions for SPM or LPM accessing the Boot Loader
section.
SPM is not allowed to write to the Boot Loader section.
SPM is not allowed to write to the Boot Loader section,
and LPM executing from the Application section is not
allowed to read from the Boot Loader section. If interrupt
vectors are placed in the Application section, interrupts
are disabled while executing from the Boot Loader section.
LPM executing from the Application section is not allowed
to read from the Boot Loader section. If interrupt vectors
are placed in the Application section, interrupts are
disabled while executing from the Boot Loader section.
Table 105
Table 100
Table 100
and
Table 106
Default Value
1 (unprogrammed, OCD disabled)
0 (programmed, JTAG enabled)
0 (programmed, SPI prog. enabled)
1 (unprogrammed)
1 (unprogrammed, EEPROM not
preserved)
0 (programmed)
0 (programmed)
1 (unprogrammed)
describe briefly the functionality of
(3)
(3)
ATmega16(L)
Table 100 on page
See “Clock
257.
260
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