HD64F2145 datasheet(283/829 Pages) RENESAS

283 / 829 page

Rev. 2.0, 08/02, page 243 of 788

11.2

Input/Output Pins

Table 11.1 lists the FRT input and output pins.

Table 11.1

Pin Configuration

Name

Abbreviation

I/O

Function

Counter clock input pin

FTCI

Input

FRC counter clock input

Output compare A output pin

FTOA

Output

Output compare A output

Output compare B output pin

FTOB

Output

Output compare B output

Input capture A input pin

FTIA

Input

Input capture A input

Input capture B input pin

FTIB

Input

Input capture B input

Input capture C input pin

FTIC

Input

Input capture C input

Input capture D input pin

FTID

Input

Input capture D input

11.3

The FRT has the following registers.

• Free-running counter (FRC)

• Output compare register A (OCRA)

• Output compare register B (OCRB)

• Input capture register A (ICRA)

• Input capture register B (ICRB)

• Input capture register C (ICRC)

• Input capture register D (ICRD)

• Output compare register AR (OCRAR)

• Output compare register AF (OCRAF)

• Output compare register DM (OCRDM)

• Timer interrupt enable register (TIER)

• Timer control/status register (TCSR)

• Timer control register (TCR)

• Timer output compare control register (TOCR)

Note:

OCRA and OCRB share the same address. Register selection is controlled by the OCRS

bit in TOCR. ICRA, ICRB, and ICRC share the same addresses with OCRAR, OCRAF,

and OCRDM. Register selection is controlled by the ICRS bit in TOCR.

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