HD64F2149YV datasheet(352/1075 Pages) RENESAS

352 / 1075 page

Section 11 16-Bit Free-Running Timer

Rev. 3.00 Jan 18, 2006 page 324 of 1044

REJ09B0280-0300

Bit 7—Input Capture D Mode Select (ICRDMS): Specifies whether ICRD is used in the normal

operating mode or in the operating mode using OCRDM.

Bit 7

ICRDMS

Description

The normal operating mode is specified for ICRD

(Initial value)

The operating mode using OCRDM is specified for ICRD

Bit 6—Output Compare A Mode Select (OCRAMS): Specifies whether OCRA is used in the

normal operating mode or in the operating mode using OCRAR and OCRAF.

Bit 6

OCRAMS

Description

The normal operating mode is specified for OCRA

(Initial value)

The operating mode using OCRAR and OCRAF is specified for OCRA

Bit 5—Input Capture Register Select (ICRS): The same addresses are shared by ICRA and

OCRAR, by ICRB and OCRAF, and by ICRC and OCRDM. The ICRS bit determines which

registers are selected when the shared addresses are read or written to. The operation of ICRA,

ICRB, and ICRC is not affected.

Bit 5

ICRS

Description

The ICRA, ICRB, and ICRC registers are selected

(Initial value)

The OCRAR, OCRAF, and OCRDM registers are selected

Bit 4—Output Compare Register Select (OCRS): OCRA and OCRB share the same address.

When this address is accessed, the OCRS bit selects which register is accessed. This bit does not

affect the operation of OCRA or OCRB.

Bit 4

OCRS

Description

The OCRA register is selected

(Initial value)

The OCRB register is selected

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