ATTINY87-15XZ Atmel, ATTINY87-15XZ Datasheet - Page 161
ATTINY87-15XZ
Manufacturer Part Number
ATTINY87-15XZ
Description
MCU AVR 8K FLASH 15MZ 20-TSSOP
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY167-15MD.pdf
(283 pages)
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
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14.5.5
7728G–AVR–06/10
USIPP – USI Pin Position
• Bits 7:1 – Res: Reserved Bits
These bits are reserved bits in the ATtiny87/167 and always reads as zero.
• Bit 0 – USIPOS: USI Pin Position
Setting or clearing this bit changes the USI pin position.
Table 14-3.
Bit
Read/Write
Initial Value
0
1
USIPOS
(Alternate)
(Default)
Port A
PortB
USI Pin Position
R
7
0
-
USI Pin Position
DI, SDA
DO
USCK, SCL
DI, SDA
DO
USCK, SCL
R
6
0
-
R
5
0
-
PB0 - (PCINT8/OC1AU)
PB1 - (PCINT9/OC1BU)
PB2 - (PCINT10/OC1AV)
PA4 - (PCINT4/ADC4/ICP1/MOSI)
PA2 - (PCINT2/ADC2/OC0A/MISO)
PA5 - (PCINT5/ADC5/T1/SCK)
R
4
0
-
R
3
0
-
ATtiny87/ATtiny167
R
2
0
-
R
1
0
-
USIPOS
R/W
0
0
USIPP
161
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