ATMEGA3290P datasheet(76/360 Pages) ATMEL

76 / 360 page

8021A–AVR–12/06

ATmega329P/3290P

12.3.3

Alternate Functions of Port C

The Port C has an alternate function as SEG for the LCD Controller.

The alternate pin configuration is as follows:

• SEG – Port D, Bit 7:0

SEG, LCD front plane 5/5, 6/6, 11/7-16/12.

Table 12-10 and Table 12-11 relate the alternate functions of Port C to the overriding signals

shown in Figure 12-5 on page 70.

Table 12-9.

Port C Pins Alternate Functions (SEG refers to 100-pin/64-pin pinout)

Port Pin

Alternate Function

PC7

SEG (LCD Front Plane 5/5)

PC6

SEG (LCD Front Plane 6/6)

PC5

SEG (LCD Front Plane 11/7)

PC4

SEG (LCD Front Plane 12/8)

PC3

SEG (LCD Front Plane 13/9)

PC2

SEG (LCD Front Plane14/10)

PC1

SEG (LCD Front Plane 15/11)

PC0

SEG (LCD Front Plane 16/12)

Table 12-10. Overriding Signals for Alternate Functions in PC7:PC4

Signal Name

PC7/SEG5

PC6/SEG6

PC5/SEG(11/7)

PC4/SEG(12/8)

PUOE

LCDEN

PUOV

0000

DDOE

LCDEN

DDOV

0000

PVOE

0000

PVOV

0000

PTOE

––––

DIEOE

LCDEN

DIEOV

0000

––––

AIO

LCDSEG

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