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ATmega162 数据表(PDF) 80 Page - ATMEL Corporation

部件名 ATmega162
功能描述  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  324 Pages
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制造商  ATMEL [ATMEL Corporation]
网页  http://www.atmel.com
标志 ATMEL - ATMEL Corporation

ATmega162 数据表(HTML) 80 Page - ATMEL Corporation

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2513K–AVR–07/09
ATmega162/V
• RXD0 – Port D, Bit 0
RXD0, Receive Data (Data input pin for USART0). When the USART0 Receiver is enabled this
pin is configured as an input regardless of the value of DDD0. When USART0 forces this pin to
be an input, the pull-up can still be controlled by the PORTD0 bit.
Table 39 and Table 40 relate the alternate functions of Port D to the overriding signals shown in
Figure 32 on page 68.
Table 39. Overriding Signals for Alternate Functions PD7..PD4
Signal Name
PD7/RD
PD6/WR
PD5/TOSC2/OC1A
PD4/TOSC1/XCK0/OC3A
PUOE
SRE
SRE
AS2
AS2
PUOV
0
0
0
0
DDOE
SRE
SRE
AS2
AS2
DDOV
1
1
0
0
PVOE
SRE
SRE
OC1A ENABLE
XCK0 OUTPUT ENABLE |
OC3A ENABLE
PVOV
RD
WR
OC1A
if
(XCK0 OUTPUT
ENABLE) then
XCK0 OUTPUT
else
OC3A
DIEOE
0
0
AS2
AS2
DIEOV
0
0
0
0
DI
–
–
–
XCK0 INPUT
AIO
–
–
T/C2 OSC OUTPUT
T/C2 OSC INPUT
Table 40. Overriding Signals for Alternate Functions in PD3..PD0
Signal Name
PD3/INT1
PD2/INT0/XCK1
PD1/TXD0
PD0/RXD0
PUOE
0
0
TXEN0
RXEN0
PUOV
0
0
0
PORTD0 • PUD
DDOE
0
0
TXEN0
RXEN0
DDOV
0
0
1
0
PVOE
0
XCK1 OUTPUT ENABLE
TXEN0
0
PVOV
0
XCK1
TXD0
0
DIEOE
INT1 ENABLE
INT0 ENABLE
0
0
DIEOV
1
1
0
0
DI
INT1 INPUT/
ICP1 INPUT
INT0 INPUT/XCK1 INPUT
–
RXD0
AIO
–
–
–
–



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