ATMEGA165-16MU Atmel, ATMEGA165-16MU Datasheet - Page 248
ATMEGA165-16MU
Manufacturer Part Number
ATMEGA165-16MU
Description
IC AVR MCU 16K 16MHZ 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA165-16MU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
54
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
64-MLF®, 64-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2573G–AVR–07/09
Table 102. Fuse High Byte
Notes:
Table 103. Fuse Low Byte
Notes:
Fuse High
Byte
OCDEN
JTAGEN
SPIEN
WDTON
EESAVE
BOOTSZ1
BOOTSZ0
BOOTRST
Fuse Low Byte
CKDIV8
CKOUT
SUT1
SUT0
CKSEL3
CKSEL2
CKSEL1
CKSEL0
(1)
1. The SPIEN Fuse is not accessible in serial programming mode.
2. The default value of BOOTSZ1..0 results in maximum Boot Size. See Table 96 on
3. See “Watchdog Timer Control Register – WDTCR” on page 43 for details.
4. Never ship a product with the OCDEN Fuse programmed regardless of the setting of
5. If the JTAG interface is left unconnected, the JTAGEN fuse should if possible be dis-
1. The default value of SUT1..0 results in maximum start-up time for the default clock
2. The default setting of CKSEL3..0 results in internal RC Oscillator @ 8 MHz. See
3. The CKOUT Fuse allow the system clock to be output on PORTE7. See “Clock Out-
4. See “System Clock Prescaler” on page 29 for details.
(3)
(4)
(4)
(3)
(5)
page 244 for details.
Lock bits and 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.
abled. This to avoid static current at the TDO pin in the JTAG interface.
source. See Table 16 on page 38 for details.
Table 6 on page 26 for details.
put Buffer” on page 29 for details.
Bit
No
7
6
5
4
3
2
1
0
Description
Enable OCD
Enable JTAG
Enable Serial Program and Data
Downloading
Watchdog Timer always on
EEPROM memory is preserved
through the Chip Erase
Select Boot Size (see Table 96 for
details)
Select Boot Size (see Table 96 for
details)
Select Reset Vector
Bit No
7
6
5
4
3
2
1
0
Description
Divide clock by 8
Clock output
Select start-up time
Select start-up time
Select Clock source
Select Clock source
Select Clock source
Select Clock source
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)
ATmega165/V
Default Value
0 (programmed)
1 (unprogrammed)
1 (unprogrammed)
0 (programmed)
0 (programmed)
0 (programmed)
1 (unprogrammed)
0 (programmed)
(2)
(2)
(1)
(2)
(2)
(2)
(1)
(2)
248
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