atmega32u4-16mu ATMEL Corporation, atmega32u4-16mu Datasheet - Page 80

• Manufacturer Part Number: atmega32u4-16mu
• Description: Atmega32u4 8-bit Avr Microcontroller With 32k Bytes Of Isp Flash And Usb Controller
• Manufacturer: ATMEL Corporation

10.4
10.4.1
80
Register Description for I/O-Ports
ATmega32U4
Port B Data Register – PORTB
.
Table 10-14. Overriding Signals for Alternate Functions in PF7..PF4
Table 10-15. Overriding Signals for Alternate Functions in PF1..PF0
Bit
Read/Write
Initial Value
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PF7/ADC7/TDI
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TDI/ADC7 INPUT
7
PORTB
7
R/W
0
PF1/ADC1
0
0
0
0
0
0
0
0
–
ADC1 INPUT
6
PORTB
6
R/W
0
5
PORTB
5
R/W
0
PF6/ADC6/TDO
JTAGEN
0
JTAGEN
SHIFT_IR +
SHIFT_DR
JTAGEN
TDO
JTAGEN
0
–
ADC6 INPUT
PF0/ADC0
0
0
0
0
0
0
0
0
–
ADC0 INPUT
4
PORTB
4
R/W
0
3
PORTB
3
R/W
0
PF5/ADC5/TMS
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TMS/ADC5
INPUT
2
PORTB
2
R/W
0
1
PORTB
1
R/W
0
PF4/ADC4/TCK
JTAGEN
1
JTAGEN
0
0
0
JTAGEN
0
–
TCK/ADC4
INPUT
0
PORTB
0
R/W
0
PORTB
7766A–AVR–03/08