ATtiny167 Atmel Corporation, ATtiny167 Datasheet - Page 221
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ATtiny167
Manufacturer Part Number
ATtiny167
Description
Manufacturer
Atmel Corporation
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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Quantity
Price
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20.2.4
8265B–AVR–09/10
Reading the Signature Row from Software
Similarly, when reading the Extended Fuse byte (EFB), load 0x0002 in the Z-pointer. When an
LPM instruction is executed within three cycles after the RFLB and SPMEN bits are set in the
SPMCSR, the value of the Extended Fuse byte will be loaded in the destination register as
shown below. See
Extended Fuse byte.
Fuse and Lock bits that are programmed, will be read as zero. Fuse and Lock bits that are
unprogrammed, will be read as one.
To read the Signature Row from software, load the Z-pointer with the signature byte address
given in
LPM instruction is executed within three CPU cycles after the SIGRD and SPMEN bits are set
in SPMCSR, the signature byte value will be loaded in the destination register. The SIGRD
and SPMEN bits will auto-clear upon completion of reading the Signature Row Lock bits or if
no LPM instruction is executed within three CPU cycles. When SIGRD and SPMEN are
cleared, LPM will work as described in the Instruction set Manual.
Table 20-1.
Note:
Bit
Rd (Z=0x0002)
8MHz RC Oscillator Calibration Byte
TSOFFSET - Temp Sensor Offset
All other addresses are reserved for future use.
Table 20-1 on page 221
TSGAIN - Temp Sensor Gain
Device Signature Byte 0
Device Signature Byte 1
Device Signature Byte 2
Signature Row Addressing
Signature Byte
7
–
Table 21-3 on page 226
6
–
and set the SIGRD and SPMEN bits in SPMCSR. When an
5
–
4
–
for detailed description and mapping of the
3
–
Z-Pointer Address
2
–
0x0000
0x0002
0x0004
0x0001
0x0003
0x0005
1
–
EFB0
0
221
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