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ATtiny48 Datasheet(PDF) 69 Page - ATMEL Corporation

Part # ATtiny48
Description  8-bit Microcontroller with 4/8K Bytes In-System Programmable Flash
PDF  266 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny48 Datasheet(HTML) 69 Page - ATMEL Corporation

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69
8008C–AVR–03/09
ATtiny48/88
Table 10-9 and Table 10-10 relate the alternate functions of Port C to the overriding signals
shown in Figure 10-6 on page 61.
Note:
1. When enabled, the 2-wire Serial Interface enables slew-rate controls on the output pins PC4
and PC5. This is not shown in the figure. In addition, spike filters are connected between the
AIO outputs shown in the port figure and the digital logic of the TWI module.
Table 10-9.
Overriding Signals for Alternate Functions in PC6..PC4(1)
Signal
Name
PC7/PCINT15
PC6/RESET/
PCINT14
PC5/SCL/ADC5/
PCINT13
PC4/SDA/ADC4/
PCINT12
PUOE
0
RSTDISBL
TWEN
TWEN
PUOV
0
1
PORTC5 • PUD
PORTC4 • PUD
DDOE
0
RSTDISBL
TWEN
TWEN
DDOV
0
0
SCL_OUT
SDA_OUT
PVOE
0
0
TWEN
TWEN
PVOV
0000
DIEOE
PCINT15 • PCIE1
RSTDISBL +
PCINT14 • PCIE1
PCINT13 • PCIE1 +
ADC5D
PCINT12 • PCIE1 +
ADC4D
DIEOV
1
RSTDISBL
PCINT13 • PCIE1
PCINT12 • PCIE1
DI
PCINT15 INPUT
PCINT14 INPUT
PCINT13 INPUT
PCINT12 INPUT
AIO
-
RESET INPUT
ADC5 INPUT / SCL
INPUT
ADC4 INPUT / SDA
INPUT
Table 10-10. Overriding Signals for Alternate Functions in PC3..PC0
Signal
Name
PC3/ADC3/
PCINT11
PC2/ADC2/
PCINT10
PC1/ADC1/
PCINT9
PC0/ADC0/
PCINT8
PUOE
000
0
PUOV
000
0
DDOE
0
0
0
0
DDOV
0
0
0
0
PVOE
000
0
PVOV
000
0
DIEOE
PCINT11 • PCIE1 +
ADC3D
PCINT10 • PCIE1 +
ADC2D
PCINT9 • PCIE1 +
ADC1D
PCINT8 • PCIE1 +
ADC0D
DIEOV
PCINT11 • PCIE1
PCINT10 • PCIE1
PCINT9 • PCIE1
PCINT8 • PCIE1
DI
PCINT11 INPUT
PCINT10 INPUT
PCINT9 INPUT
PCINT8 INPUT
AIO
ADC3 INPUT
ADC2 INPUT
ADC1 INPUT
ADC0 INPUT



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