R8C2K datasheet(246/471 Pages) RENESAS

246 / 471 page

R8C/2K Group, R8C/2L Group

16. Timers

Rev.1.10

Dec 21, 2007

Page 229 of 450

REJ09B0406-0110

Figure 16.70

Registers TRDSTR and TRDMR in Input Capture Function

Timer RD Start Register

(1)

Symbol

Address

After Reset

TRDSTR

0137h

11111100b

Bit Symbol

Bit Name

Function

NOTE:

TSTART1

TRD1 count start flag

0 : Count stops

1 : Count starts

TRD0 count start flag

0 : Count stops

1 : Count starts

—

(b7-b4)

CSEL0

TSTART0

b7 b6 b5 b4

Set to 1 in the input capture function.

TRD1 count operation select bit

Set to 1 in the input capture function.

Set the TRDSTR register using the MOV instruction (do not use the bit handling instruction). Refer to 16.4.12.1

TRDSTR Register of Notes on Tim er RD.

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

—

TRD0 count operation select bit

b3 b2

CSEL1

b1 b0

Timer RD Mode Register

Symbol

Address

After Reset

TRDMR

0138h

00001110b

Bit Symbol

Bit Name

Function

BFC1

BFD1

TRDGRD1 register function select

bit

0 : General register

1 : Buffer register of TRDGRB1 register

TRDGRC0 register function select

bit

0 : General register

1 : Buffer register of TRDGRA0 register

BFC0

TRDGRD0 register function select

bit

0 : General register

1 : Buffer register of TRDGRB0 register

TRDGRC1 register function select

bit

0 : General register

1 : Buffer register of TRDGRA1 register

—

(b3-b1)

—

Timer RD synchronous bit

0 : Registers TRD0 and TRD1

operate independently

1 : Registers TRD0 and TRD1

operate synchronously

Nothing is assigned. If necessary, set to 0.

When read, the content is 1.

b7 b6 b5 b4 b3 b2

BFD0

b1 b0

SYNC

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