PT7C4337UE datasheet(11/25 Pages) ETC2

Part #	PT7C4337UE

Description	Real-time Clock Module (I2C Bus)

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Manufacturer	ETC2 [List of Unclassifed Manufacturers]

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PT0205(02/07)

Ver: 1

11

Data Sheet

PT7C4337

Real-time Clock Module (I

2C Bus)

Alarm Register

•

Alarm 1, Alarm 2 Register

Addr.

Description

D7

D6

D5

D4

D3

D2

D1

D0

Alarm 1: Seconds

A1M1*1

S40

S20

S10

S8

S4

S2

S1

07

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

Alarm 1: Minutes

A1M2*1

M40

M20

M10

M8

M4

M2

M1

08

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

Alarm 1: Hours

A1M3*1

12, /24

H20 or P,/A

H10

H8

H4

H2

H1

09

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

Alarm 1: Day, Date A1M4*1

Day,

/Date*1

0,

D20

0,

D10

0,

D8

W4,

D4

W2,

D2

W1,

D1

0A

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

Alarm 2: Minutes

A2M2*2

M40

M20

M10

M8

M4

M2

M1

0B

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

Alarm 2: Hours

A2M3*2

12, /24

H20 or P,/A

H10

H8

H4

H2

H1

0C

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

Alarm 2: Day, Date A2M4*2

Day,

/Date*2

0,

D20

0,

D10

0,

D8

W4,

D4

W2,

D2

W1,

D1

0D

(default)

Undefined Undefined

Undefined

Undefined Undefined Undefined Undefined Undefined

*1 Note: Alarm mask bit, using to select Alarm 1 alarm rate.

*2 Note: Alarm mask bit, using to select Alarm 2 alarm rate.

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