ATA8741 ATMEL Corporation, ATA8741 Datasheet - Page 86

• Manufacturer Part Number: ATA8741
• Manufacturer: ATMEL Corporation

86
ATA8741
Table 19-9.
1.
2.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
EXT_OSC = crystal oscillator or low frequency crystal oscillator is selected as system clock.
EXT_CLOCK = external clock is selected as system clock.
PB1/XTAL2/PCINT9
EXT_OSC
0
EXT_OSC
0
EXT_OSC
0
0
EXT_OSC
PCINT9 • PCIE1
EXT_OSC
PCINT9 Input
XTAL2
Overriding Signals for Alternate Functions in PB1..PB0
(1)
(1)
(1)
(1)
(1)
+
• PCINT9 • PCIE1
PB0/XTAL1/PCINT8
EXT_CLOCK
0
EXT_CLOCK
0
EXT_CLOCK
0
0
EXT_CLOCK
(PCINT8 • PCIE1)
( EXT_CLOCK
(EXT_CLOCK
CLOCK/PCINT8 Input
XTAL1
(2)
(2)
(2)
(2)
(2)
(2)
+ EXT_OSC
+ EXT_OSC
+ EXT_OSC
+ EXT_OSC
• EXT_OSC
• PWR_DOWN ) +
(1)
(1)
(1)
(1)
(1)
+
• PCINT8 • PCIE1)
9140B–INDCO–07/09