ATTINY87-15XZ Atmel, ATTINY87-15XZ Datasheet - Page 226

• Manufacturer Part Number: ATTINY87-15XZ
• Description: MCU AVR 8K FLASH 15MZ 20-TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY87-15XZ

• 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: 8KB (4K 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 ~ 125°C
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

226
ATtiny87/ATtiny167
Note that the fuses are read as logical zero, “0”, if they are programmed.
Table 21-3.
Table 21-4.
Notes:
Fuse Extended Byte
–
–
–
–
–
–
–
SELFPRGEN
Fuse High Byte
RSTDISBL
DWEN
SPIEN
WDTON
EESAVE
BODLEVEL2
BODLEVEL1
BODLEVEL0
(2)
(3)
1.
2. The SPIEN Fuse is not accessible in serial programming mode.
3.
4. See
(1)
See ”Alternate Functions of Port B” on page 81.
See ”Watchdog Timer Control Register - WDTCR” on page 57.
(4)
(4)
(4)
Extended Fuse Byte
Fuse High Byte
Table 22-5 on page 247
Bit No Description
7
6
5
4
3
2
1
0
Bit No
External Reset Disable
DebugWIRE Enable
Enable Serial Program
and Data Downloading
Watchdog Timer always on
EEPROM memory is preserved
through the Chip Erase
Brown-out Detector trigger level 1 (unprogrammed)
Brown-out Detector trigger level 1 (unprogrammed)
Brown-out Detector trigger level 1 (unprogrammed)
7
6
5
4
3
2
1
0
Description
–
–
–
–
–
–
–
Self Programming Enable
for BODLEVEL Fuse coding.
for description of RSTDISBL Fuse.
Default Value
1 (unprogrammed)
1 (unprogrammed)
0 (programmed,
1 (unprogrammed)
1 (unprogrammed,
SPI programming enabled)
EEPROM not preserved)
Default Value
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
1 (unprogrammed)
for details.
7728G–AVR–06/10