SH7261 datasheet(683/1348 Pages) RENESAS

683 / 1348 page

Section 15 Realtime Clock (RTC)

Rev. 2.00 Sep. 07, 2007 Page 651 of 1312

REJ09B0320-0200

15.3.10

Minute Alarm Register (RMINAR)

RMINAR is an alarm register corresponding to the minute counter RMINCNT. When the ENB bit

is set to 1, a comparison with the RMINCNT value is performed. From among

RSECAR/RMINAR/RHRAR/RWKAR/RDAYAR/RMONAR/RCR3, the counter and alarm

coincides, an alarm flag of RCR1 is set to 1.

The assignable range is from 00 through 59

+ ENB bits (practically in BCD), otherwise operation

errors occur.

The ENB bit in RMINAR is initialized by a power-on reset or in deep standby mode. The other

bits are not initialized by a power-on reset or manual reset, or in deep standby and software

standby modes.

R/W

Bit:

Initial value:

R/W:

ENB

———————

10 minutes

1 minute

Bit

Bit Name

Initial

Value

R/W

Description

ENB

R/W

When this bit is set to 1, a comparison with the

RMINCNT value is performed.

6 to 4

10 minutes

Undefined

R/W

Ten's position of minutes setting value

3 to 0

1 minute

Undefined

R/W

One's position of minutes setting value

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