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AT90USB646 Datasheet(PDF) 86 Page - ATMEL Corporation

Part # AT90USB646
Description  8-bit Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
PDF  459 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90USB646 Datasheet(HTML) 86 Page - ATMEL Corporation

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86
7593H–AVR–11/08
ATmega32U6/AT90USB64/128
Note:
1. When enabled, the 2-wire Serial Interface enables Slew-Rate controls on the output pins PD0
and PD1. This is not shown in this table. In addition, spike filters are connected between the
AIO outputs shown in the port figure and the digital logic of the TWI module.
Table 10-13. Overriding Signals for Alternate Functions PD7..PD4
Signal Name
PD7/T0
PD6/T1
PD5/XCK1
PD4/ICP1
PUOE
000
0
PUOV
000
0
DDOE
0
0
XCK1 OUTPUT ENABLE
0
DDOV
0
0
1
0
PVOE
0
0
XCK1 OUTPUT ENABLE
0
PVOV
0
0
XCK1 OUTPUT
0
DIEOE
000
0
DIEOV
000
0
DI
T0 INPUT
T1 INPUT
XCK1 INPUT
ICP1 INPUT
AIO
–––
–
Table 10-14. Overriding Signals for Alternate Functions in PD3..PD0(1)
Signal Name
PD3/INT3/TXD1
PD2/INT2/RXD1
PD1/INT1/SDA/
OC2B
PD0/INT0/SCL/
OC0B
PUOE
TXEN1
RXEN1
TWEN
TWEN
PUOV
0
PORTD2 • PUD
PORTD1 • PUD
PORTD0 • PUD
DDOE
TXEN1
RXEN1
TWEN
TWEN
DDOV
1
0
SDA_OUT
SCL_OUT
PVOE
TXEN1
0
TWEN | OC2B
ENABLE
TWEN | OC0B
ENABLE
PVOV
TXD1
0
OC2B
OC0B
DIEOE
INT3 ENABLE
INT2 ENABLE
INT1 ENABLE
INT0 ENABLE
DIEOV
1
1
1
1
DI
INT3 INPUT
INT2 INPUT/RXD1
INT1 INPUT
INT0 INPUT
AIO
–
–
SDA INPUT
SCL INPUT



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