ATTINY167-15MD Atmel, ATTINY167-15MD Datasheet - Page 52
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ATTINY167-15MD
Manufacturer Part Number
ATTINY167-15MD
Description
MCU AVR 16K FLASH 15MHZ 32-QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY167-15MD.pdf
(283 pages)
Specifications of ATTINY167-15MD
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 (8K x 16)
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 ~ 150°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATTINY1x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Maximum Clock Frequency
16 MHz
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
Minimum Operating Temperature
- 40 C
For Use With
ATSTK600-SOIC - STK600 SOCKET/ADAPTER FOR SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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6.1.6
6.1.7
52
ATtiny87/ATtiny167
Watchdog System Reset
MCU Status Register – MCUSR
Figure 6-5.
When the Watchdog times out, it will generate a short reset pulse of one CK cycle duration.
On the falling edge of this pulse, the delay timer starts counting the Time-out period t
Refer to
Figure 6-6.
The MCU Status Register provides information on which reset source caused an MCU reset.
• Bit 7..4 – Res: Reserved Bits
These bits are unused bits in the ATtiny87/167, and will always read as zero.
• Bit 3 – WDRF: Watchdog System Reset Flag
This bit is set if a Watchdog System Reset occurs. The bit is reset by a Power-on Reset, or by
writing a logic zero to the flag.
• Bit 2 – BORF: Brown-out Reset Flag
This bit is set if a Brown-out Reset occurs. The bit is reset by a Power-on Reset, or by writing
a logic zero to the flag.
Bit
Read/Write
Initial Value
page 53
CC
INTERNAL
TIME-OUT
Brown-out Reset During Operation
Watchdog System Reset During Operation
RESET
RESET
R
for details on operation of the Watchdog Timer.
7
–
0
V
CC
R
6
–
0
R
5
–
0
V
CK
BOT-
R
4
–
0
WDRF
R/W
3
V
t
TOUT
BORF
See Bit Description
BOT+
R/W
2
EXTRF
R/W
1
PORF
R/W
7728G–AVR–06/10
0
MCUSR
TOUT
.
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