HD64F2145 datasheet(339/829 Pages) RENESAS

339 / 829 page

Rev. 2.0, 08/02, page 299 of 788

13.2

Input/Output Pins

Table 13.1 lists the timer connection input and output pins.

Table 13.1

Pin Configuration

Name

Abbreviation

Input/

Output

Function

Vertical synchronization signal

input pin

VSYNCI

Input

Vertical synchronization signal

input pin or FTIA input pin/TMIY

input pin

Horizontal synchronization signal

input pin

HSYNCI

Input

Horizontal synchronization signal

input pin or TMCI1 input pin

Composite synchronization signal

input pin

CSYNCI

Input

Composite synchronization signal

input pin or TMRI1 input pin

Spare vertical synchronization

signal input pin

VFBACKI

Input

Spare vertical synchronization

signal input pin or FTIB input pin

Spare horizontal synchronization

signal input pin

HFBACKI

Input

Spare horizontal synchronization

signal input pin or FTCI input

pin/TMIX input pin

Vertical synchronization signal

output pin

VSYNCO

Output

Vertical synchronization signal

output pin or FTOA output pin

Horizontal synchronization signal

output pin

HSYNCO

Output

Horizontal synchronization signal

output pin or TMO1 output pin

Clamp waveform output pin

CLAMPO

Output

Clamp waveform output pin or

FTIC input pin

Blanking waveform output pin

CBLANK

Output

Blanking waveform output pin

13.3

The timer connection has the following registers.

• Timer connection register I (TCONRI)

• Timer connection register O (TCONRO)

• Timer connection register S (TCONRS)

• Edge sense register (SEDGR)

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