R8CSLASH29 datasheet(235/471 Pages) RENESAS

235 / 471 page

R8C/28 Group, R8C/29 Group

14. Timers

Rev.2.10

Sep 26, 2008

Page 218 of 441

REJ09B0279-0210

Figure 14.62

TRESEC Register in Real-Time Clock Mode

Figure 14.63

TREMIN Register in Real-Time Clock Mode

Timer RE Second Data Register

Symbol

Address

After Reset

TRESEC

0118h

00h

Bit Symbol

Bit Name

Function

Setting

Range

When counting 0 to 5, 60 seconds

are counted.

0 to 5

(BCD

code)

This bit is set to 1 w hile registers TRESEC,

TREMIN, TREHR, and TREWK are updated.

b3 b2

SC03

b1 b0

b7 b6 b5 b4

SC00

1st digit of second count bits

SC01

Count 0 to 9 every second. When the

digit moves up, 1 is added to the 2nd

digit of second.

0 to 9

(BCD

code)

SC02

SC10

SC11

BSY

SC12

Timer RE busy flag

2nd digit of second count bits

Timer RE Minute Data Register

Symbol

Address

After Reset

TREMIN

0119h

00h

Bit Symbol

Bit Name

Function

Setting

Range

MN10

MN11

BSY

MN12

Timer RE busy flag

2nd digit of minute count bits

When counting 0 to 5, 60 minutes are

counted.

0 to 5

(BCD

code)

MN00

1st digit of minute count bits

MN01

Count 0 to 9 every minute. When the

digit moves up, 1 is added to the 2nd

digit of minute.

0 to 9

(BCD

code)

MN02

b7 b6 b5 b4

This bit is set to 1 w hile registers TRESEC,

TREMIN, TREHR, and TREWK are updated.

b3 b2

MN03

b1 b0

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