ATtiny87 Atmel Corporation, ATtiny87 Datasheet - Page 178

• Manufacturer Part Number: ATtiny87
• 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

15.5.13
15.5.14
178
ATtiny87/ATtiny167
Interrupts
Message Filtering
LINERR.6
LINERR.1
LINERR.7
LINERR.5
LINERR.4
LINERR.3
LINERR.2
LINERR.0
CHECKSUM
Frame identifiers 60 (0x3C) to 61 (0x3D) shall always use classic checksum.
As shown in
are combined to drive two interrupts. Each of these flags have their respective enable interrupt
bit in LINENIR register.
(see
176).
Figure 15-13. LIN Interrupt Mapping
Message filtering based upon the whole identifier is not implemented. Only a status for frame
headers having 0x3C, 0x3D, 0x3E and 0x3F as identifier is available in the LINSIR register.
Table 15-4.
Section 15.5.8 “xxOK Flags” on page 175
LABORT
LOVERR
LTOERR
LSERR
LPERR
LCERR
LBERR
LFERR
=
Figure 15-13 on page
255
Frame Status
–
LIDST[2:0]
⎛
⎜
⎜
⎝
unsigned char
0xx
100
101
110
111
b
b
b
b
b
LINSIR.3
LINSIR.2
LINSIR.1
LINSIR.0
⎛
⎜
⎜
⎝
∑
n
0
LRXOK
LTXOK
LIDOK
LERR
178, the four communication flags of the LINSIR register
DATA
n
⎞
⎟
⎟
⎠
LENERR
LINENIR.3
+
unsigned char
and
LENIDOK
LINENIR.2
Section 15.5.9 “xxERR Flags” on page
⎛
⎜
⎜
⎝
⎛
⎜
⎜
⎝
∑
LENTXOK
No specific identifier
n
0
60 (0x3C) identifier
61 (0x3D) identifier
62 (0x3E) identifier
63 (0x3F) identifier
LINENIR.1
DATA
Frame Status
n
⎞
⎟
⎟
⎠
LENRXOK
LINENIR.0
»
8
⎞
⎟
⎟
⎠
⎞
⎠
8265B–AVR–09/10
LIN ERR
LIN TC