ACE5372

Low Power Real-Time Clock (RTC)

VER 1.2

10

AALE , BALE

ALARM-A, ALARM-B enable bits

AALE，BALE

Description

Operation

0

ALARM-A，ALARM-B correspondence action invalid

Default

1

ALARM-A，ALARM-B correspondence action valid

L2, SL1

Interrupt output select bits

SL2 SL1

Description

Operation

0

0

Outputs ALARM-A, ALARM-B, INT to the INTRA. Outputs 32K clock pulses to the INTRB.

Default

0

1

Outputs ALARM-A, INT to the INTRA. Outputs 32K clock pulses, ALARM-B to the INTRB.

1

0

Outputs ALARM-A, ALARM-B to the INTRA. Outputs 32K clock pulses, INT to the INTRB.

1

1

Outputs ALARM-A to the INTRA. Outputs 32K clock pulses, ALARM-B, INT to the INTRB.

By setting SL1 and SL2 bits, two alarm pulses (ALARM-A, ALARM-B), periodic interrupt output (INT),

32K clock pulses may be output to the INTRA or INTRB pins selectively.

TEST

ACE5372 Test bit

TEST

Description

Operation

0

Ordinary operation mode

Default

1

Test mode

CT2, CT1, CT0

Periodic interrupt cycle select bit

Description

CT2 CT1 CT0

Wave Form Mode

Cycle and INTRA（INTRB）Falling Timing

0

0

0

-

INTRA（INTRB）at high level

0

0

1

-

INTRA（INTRB）at low level

0

1

0

Pulse Mode

2Hz（Duty 50%）

0

1

1

Pulse Mode

1Hz（Duty 50%）

1

0

0

Level Mode

Every second（synchronized with second count up）

1

0

1

Level Mode

Every minute（00 second of every minute）

1

1

0

Level Mode

Every hour（00 minute 00 second of every hour）

1

1

1

Level Mode

Every month（the 1

1) Pulse mode: Outputs 2Hz, 1Hz clock pulses. For relationships with counting up of seconds see the

diagram below.