ATA6603-EK Atmel, ATA6603-EK Datasheet - Page 95
ATA6603-EK
Manufacturer Part Number
ATA6603-EK
Description
MCU, MPU & DSP Development Tools Demoboard LIN-MCM
Manufacturer
Atmel
Datasheet
1.ATA6603P-PLQW.pdf
(360 pages)
Specifications of ATA6603-EK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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4.10.3.1
4.10.3.2
4921E–AUTO–09/09
MCU Control Register – MCUCR
Alternate Functions of Port B
The Port B pins with alternate functions are shown in
Table 4-32.
Read/Write
Initial Value
• Bit 4 – PUD: Pull-up Disable
Port Pin
When this bit is written to one, the pull-ups in the I/O ports are disabled even if the DDxn and
PORTxn Registers are configured to enable the pull-ups ({DDxn, PORTxn} = 0b01). See
“Configuring the Pin” on page 88
Bit
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
Port B Pins Alternate Functions
R
Alternate Functions
XTAL2 (
TOSC2 (
PCINT7 (Pin Change Interrupt 7)
XTAL1 (
TOSC1 (
PCINT6 (Pin Change Interrupt 6)
SCK (SPI Bus Master clock Input)
PCINT5 (Pin Change Interrupt 5)
MISO (SPI Bus Master Input/Slave Output)
PCINT4 (Pin Change Interrupt 4)
MOSI (SPI Bus Master Output/Slave Input)
OC2A (Timer/Counter2 Output Compare Match A Output)
PCINT3 (Pin Change Interrupt 3)
SS (SPI Bus Master Slave select)
OC1B (Timer/Counter1 Output Compare Match B Output)
PCINT2 (Pin Change Interrupt 2)
OC1A (Timer/Counter1 Output Compare Match A Output)
PCINT1 (Pin Change Interrupt 1)
ICP1 (Timer/Counter1 Input Capture Input)
CLKO (Divided System Clock Output)
PCINT0 (Pin Change Interrupt 0)
7
–
0
Chip Clock Oscillator pin 2
Chip Clock Oscillator pin 1 or External clock input
Timer Oscillator pin 2
Timer Oscillator pin 1
R
6
–
0
R
5
–
0
for more details about this feature.
PUD
R/W
)
)
4
0
)
Table
R
3
–
0
4-32.
ATA6602/ATA6603
R
2
–
0
IVSEL
R/W
)
1
0
IVCE
R/W
0
0
MCUCR
95
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