HD64F36049 datasheet(184/562 Pages) RENESAS

Part #	HD64F36049

Description	Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Tiny Series

PDF	562 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

Logo

184 / 562 page

Section 10 Realtime Clock (RTC)

Rev. 3.00 Mar. 15, 2006 Page 152 of 526

REJ09B0060-0300

10.3.4

Day-of-Week Data Register (RWKDR)

RWKDR counts the BCD-coded day-of-week value on the carry generated once per day by

RHRDR. The setting range is decimal 0 to 6 using bits WK2 to WK0.

Bit

Bit Name

Initial

Value

R/W

Description

BSY

—

RTC Busy

This bit is set to 1 when the RTC is updating (operating)

the values of second, minute, hour, and day-of-week

data registers. When this bit is 0, the values of second,

minute, hour, and day-of-week data registers must be

adopted.

—

Reserved

These bits are always read as 0.

WK2

WK1

WK0

—

R/W

Day-of-Week Counting

Day-of-week is indicated with a binary code

000: Sunday

001: Monday

010: Tuesday

011: Wednesday

100: Thursday

101: Friday

110: Saturday

111: Reserved (setting prohibited)

HD64F36049 Datasheet(PDF) 184 Page - Renesas Technology Corp