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ATmega169P 데이터시트(PDF) 73 Page - ATMEL Corporation

부품명 ATmega169P
상세설명  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  393 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega169P 데이터시트(HTML) 73 Page - ATMEL Corporation

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73
8018N–AVR–08/09
ATmega169P
13.3.1
Alternate Functions of Port A
The Port A has an alternate function as COM0:3 and SEG0:3 for the LCD Controller.
Table 13-4 and Table 13-5 relates the alternate functions of Port A to the overriding signals
shown in Figure 13-5 on page 71.
Table 13-3.
Port A Pins Alternate Functions
Port Pin
Alternate Function
PA7
SEG3 (LCD Front Plane 3)
PA6
SEG2 (LCD Front Plane 2)
PA5
SEG1 (LCD Front Plane 1)
PA4
SEG0 (LCD Front Plane 0)
PA3
COM3 (LCD Back Plane 3)
PA2
COM2 (LCD Back Plane 2)
PA1
COM1 (LCD Back Plane 1)
PA0
COM0 (LCD Back Plane 0)
Table 13-4.
Overriding Signals for Alternate Functions in PA7..PA4
Signal Name
PA7/SEG3
PA6/SEG2
PA5/SEG1
PA4/SEG0
PUOE
LCDEN
LCDEN
LCDEN
LCDEN
PUOV
00
00
DDOE
LCDEN
LCDEN
LCDEN
LCDEN
DDOV
0
0
0
0
PVOE
00
00
PVOV
00
00
PTOE
––
––
DIEOE
LCDEN
LCDEN
LCDEN
LCDEN
DIEOV
0
0
0
0
DI
––
––
AIO
SEG3
SEG2
SEG1
SEG0



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