ATtiny167 Atmel Corporation, ATtiny167 Datasheet - Page 50

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ATtiny167

Manufacturer Part Number
ATtiny167
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATtiny167

Flash (kbytes)
16 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Lin
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.5
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
3
Input Capture Channels
1
Pwm Channels
9
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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6.1.3
50
ATtiny87/ATtiny167
Power-on Reset
Figure 6-1.
A Power-on Reset (POR) pulse is generated by an On-chip detection circuit. The detection
level is defined in
detection level. The POR circuit can be used to trigger the start-up Reset, as well as to detect
a failure in supply voltage.
A Power-on Reset (POR) circuit ensures that the device is reset from Power-on. Reaching the
Power-on Reset threshold voltage invokes the delay counter, which determines how long the
device is kept in RESET after V
delay, when V
Figure 6-2.
INTERNAL
TIME-OUT
BODLEVEL [2:0]
RESET
RSTDISBL
V
CC
CC
Reset Circuit
MCU Start-up, RESET Tied to V
decreases below the detection level.
Table 22-4 on page
Pull-up Resistor
Spike
Filter
V
CCRR
V
PORMIN
V
POT
CKSEL[3:0]
CC
Power-on Reset
V
Reset Circuit
SUT[1:0]
PORMAX
Brown-out
Watchdog
Oscillator
Generator
rise. The RESET signal is activated again, without any
t
TOUT
Circuit
Clock
246. The POR is activated whenever V
CK
CC
Register (MCUSR)
MCU Status
DATA BUS
Delay Counters
TIMEOUT
CC
8265B–AVR–09/10
is below the

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