参数资料
型号: R5F2L3ACCDFA
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件页数: 64/74页
文件大小: 959K
代理商: R5F2L3ACCDFA
68
2588F–AVR–06/2013
ATtiny261/461/861
Port B, Bit 1 – MISO/ DO/ OC1A/ PCINT9
DO: Three-wire mode Universal Serial Interface Data output. Three-wire mode Data output
overrides PORTB1 value and it is driven to the port when data direction bit DDB1 is set (one).
PORTB1 still enables the pull-up, if the direction is input and PORTB1 is set (one).
OC1A: Output Compare Match output: The PB1 pin can serve as an external output for the
Timer/Counter1 Compare Match B when configured as an output (DDB1 set). The OC1A pin
is also the output pin for the PWM mode timer function.
PCINT9: Pin Change Interrupt source 9.
Port B, Bit 0 – MOSI/ DI/ SDA/ OC1A/ PCINT8
DI: Data Input in USI Three-wire mode. USI Three-wire mode does not override normal port
functions, so pin must be configure as an input for DI function.
SDA: Two-wire mode Serial Interface Data.
OC1A: Inverted Output Compare Match output: The PB0 pin can serve as an external output
for the Timer/Counter1 Compare Match B when configured as an output (DDB0 set). The
OC1A pin is also the inverted output pin for the PWM mode timer function.
PCINT8: Pin Change Interrupt source 8.
Table 10-7 and Table 10-8 relate the alternate functions of Port B to the overriding signals
Note:
1. “1” when the Fuse is “0” (Programmed).
Table 10-7.
Overriding Signals for Alternate Functions in PB7:PB4
Signal
Name
PB7/RESET/
dW/ADC10/
PCINT15
PB6/ADC9/T0/
INT0/PCINT14
PB5/XTAL2/CLKO/
OC1D/ADC8/
PCINT13
(1)
PB4/XTAL1/
OC1D/ADC7/
PCINT12
(1)
PUOE
RSTDISBL(1)
DWEN(1)
0
INTRC EXTCLK
INTRC
PUOV
10
00
DDOE
RSTDISBL(1)
DWEN(1)
0
INTRC EXTCLK
INTRC
DDOV
debugWire Transmit
0
PVOE
0
OC1D Enable
PVOV
0
OC1D
PTOE
00
DIEOE
0
RSTDISBL + (PCINT5
PCIE + ADC9D)
INTRC EXTCLK +
PCINT4 PCIE +
ADC8D
INTRC + PCINT12
PCIE + ADC7D
DIEOV
ADC10D
ADC9D
(INTRC EXTCLK) +
ADC8D
INTRC ADC7D
DI
PCINT15
T0/INT0/PCINT14
PCINT13
PCINT12
AIO
RESET / ADC10
ADC9
XTAL2, ADC8
XTAL1, ADC7
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