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ATmega169P Datasheet(PDF) 263 Page - ATMEL Corporation

Part # ATmega169P
Description  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  393 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega169P Datasheet(HTML) 263 Page - ATMEL Corporation

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263
8018N–AVR–08/09
ATmega169P
Figure 25-4. General Port Pin Schematic Diagram
CLK
RPx
RDx
WDx
PUD
SYNCHRONIZER
WDx:
WRITE DDRx
WRx:
WRITE PORTx
RRx:
READ PORTx REGISTER
WPx:
WRITE PINx REGISTER
PUD:
PULLUP DISABLE
CLK
:
I/O CLOCK
RDx:
READ DDRx
D
L
Q
Q
RESET
Q
Q
D
Q
Q
D
CLR
DDxn
PINxn
SLEEP
SLEEP:
SLEEP CONTROL
Pxn
I/O
I/O
See Boundary-scan
Description for Details!
PUExn
OCxn
ODxn
IDxn
PUExn:
PULLUP ENABLE for pin Pxn
OCxn:
OUTPUT CONTROL for pin Pxn
ODxn:
OUTPUT DATA to pin Pxn
IDxn:
INPUT DATA from pin Pxn
RPx:
READ PORTx PIN
RRx
RESET
Q
Q
D
CLR
PORTxn
WPx
0
1
WRx



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