ATtiny87 Atmel Corporation, ATtiny87 Datasheet - Page 271
ATtiny87
Manufacturer Part Number
ATtiny87
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny87
Flash (kbytes)
8 Kbytes
Pin Count
20
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
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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24. Register Summary
8265B–AVR–09/10
Address
(0xFD)
(0xFC)
(0xEE)
(0xED)
(0xEC)
(0xEB)
(0xEA)
(0xDF)
(0xDE)
(0xDD)
(0xDC)
(0xDB)
(0xDA)
(0xCF)
(0xCE)
(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xFF)
(0xFE)
(0xFB)
(0xFA)
(0xF9)
(0xF8)
(0xF7)
(0xF6)
(0xF5)
(0xF4)
(0xF3)
(0xF2)
(0xF1)
(0xF0)
(0xEF)
(0xE9)
(0xE8)
(0xE7)
(0xE6)
(0xE5)
(0xE4)
(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xD9)
(0xD8)
(0xD7)
(0xD6)
(0xD5)
(0xD4)
(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
(0xBF)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
LINBRRH
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
LINBRRL
LINENIR
LINDAT
LINDLR
LINBTR
LINERR
LINSEL
LINIDR
LINSIR
Name
LINCR
LSWRES
LABORT
LDATA7
LTXDL3
LIDST2
LDISR
LDIV7
Bit 7
LP1
–
–
–
LTOERR
LDATA6
LTXDL2
LIDST1
LDIV6
LIN13
Bit 6
LP0
–
–
–
–
LID5 / LDL1
LOVERR
LCONF1
LDATA5
LTXDL1
LIDST0
LDIV5
Bit 5
LBT5
–
–
–
LID4 / LDL0
LDATA4
LCONF0
LTXDL0
LFERR
LBUSY
LDIV4
Bit 4
LBT4
–
–
–
LENERR
LDATA3
LRXDL3
/LAINC
LDIV11
LSERR
LDIV3
LERR
LENA
Bit 3
LBT3
LID3
LENIDOK
LDATA2
LRXDL2
LINDX2
LCMD2
LDIV10
LPERR
LIDOK
LDIV2
Bit 2
LBT2
LID2
LENTXOK
LRXDL1
LDATA1
LINDX1
LCMD1
LCERR
LTXOK
LDIV9
LDIV1
Bit 1
LBT1
LID1
LENRXOK
LDATA0
LRXDL0
LINDX0
LBERR
LRXOK
LCMD0
LDIV8
LDIV0
Bit 0
LBT0
LID0
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Page
271
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