ATA6617-P3QW Atmel, ATA6617-P3QW Datasheet - Page 252
ATA6617-P3QW
Manufacturer Part Number
ATA6617-P3QW
Description
MCU W/LIN TX/5V REG/WTCDG 38VQFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6617-EK.pdf
(308 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA6617-P3QW
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATA6617-P3QW
Manufacturer:
ATMEL/爱特梅尔
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4.22.2.1
4.22.3
4.22.4
252
Atmel ATA6616/ATA6617
Signature Bytes
Calibration Byte
Latching of Fuses
Table 4-71.
The fuse values are latched when the device enters programming mode and changes of the
fuse values will have no effect until the part leaves Programming mode. This does not apply to
the EESAVE Fuse which will take effect once it is programmed. The fuses are also latched on
Power-up in Normal mode.
All Atmel microcontrollers have a three-byte signature code which identifies the device. This
code can be read in both serial and parallel mode, also when the device is locked. The three
bytes reside in a separate address space.
Table 4-72.
The Atmel
resides in the high byte of address 0x000 in the signature address space. During reset, this
byte is automatically written into the OSCCAL Register to ensure correct frequency of the cali-
brated RC Oscillator.
CKDIV8
CKOUT
SUT1
SUT0
CKSEL3
CKSEL2
CKSEL1
CKSEL0
Notes:
Fuse Low Byte
ATtiny167
Device
(3)
(4)
1. The default value of SUT1..0 results in maximum start-up time for the default clock source.
2. The default setting of CKSEL3..0 results in internal RC Oscillator @ 8 MHz. See
3. The CKOUT Fuse allows the system clock to be output on PORTB5. See
4. See
®
See
on page 51
“Clock Output Buffer” on page 55
ATtiny87/167 has a byte calibration value for the internal RC Oscillator. This byte
Fuse Low Byte
Signature Bytes
Table 4-8 on page 51
Section 4.5.4 “System Clock Prescaler” on page 61
Bit No
Address
7
6
5
4
3
2
1
0
for details.
0
1
2
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
Value
0x1E
0x94
0x87
for details.
Description
for details.
Signature Byte Description
Indicates manufactured by Atmel
Indicates 16 KB Flash memory
Indicates ATtiny167 device when address 1 contains
0x94
0 (programmed)
1 (unprogrammed)
1 (unprogrammed)
0 (programmed)
0 (programmed)
0 (programmed)
1 (unprogrammed)
0 (programmed)
for details.
Default Value
(1)
(2)
(2)
(2)
(1)
(2)
Section 4.5.2.7
9132D–AUTO–12/10
Table 4-7
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