AB08XX Series

Real Time Clock Module

Date of Issue: Sept. 10

3.0 x 3.0 mm

ESD Sensitive

Page (4) of (12)

Abracon Drawing #

Revision #: Initial Release

4.

Package Pin Description

The AB08XX package pins are described below. The thermal pad on the QFN-16 packages must be connected to VSS. All

NC pins must be left unconnected.

NC

(1) WDI

NC

nIRQ2

FOUT/nIRQ

EXTI (1)

VSS

nTIRQ (1)

1

NC

(3) WDI

NC

nIRQ2

FOUT/nIRQ

EXTI (3)

SDI

nCE

1

AM080X

AM081X

VSS

PAD

VSS

PAD

(1) – Available in AM0804 and AM0804 only, else NC

(2) – Available in AM0803 and AM0805 only, else VSS

(3) – Available in AM0814 and AM0815 only, else NC

(4) – Available in AM0813 and AM0815 only, else VSS

Pin Name

Pin Type

Function

Pin Number in AB08XX

01

03

04

05

11

13

14

15

VSS

Power

Ground

5,

9,

14

9,

14

5,

9,

14

9,

14

5,

14

14

5,

14

14

VCC

Power

System power supply

13

13

13

13

13

13

13

13

XI

XT

Crystal input

16

16

16

16

16

16

16

16

XO

XT

Crystal output

15

15

15

15

15

15

15

15

VBAT

Power

Battery power supply

5

5

5

5

SCL

Input

I

7

7

7

7

7

7

7

7

SDO

Output

SPI data output

6

6

6

6

SDI

Input

SPI data input

9

9

9

9

nCE

Input

SPI chip select

12

12

12

12

SDA

Input

I

6

6

6

6

EXTI

Input

External interrupt input

10

10

10

10

WDI

Input

Watchdog reset input

2

2

2

2

FOUT/nIRQ

Output

Interrupt 1/function output

11

11

11

11

11

11

11

11

nIRQ2

Output

Interrupt 2/output

4

4

4

4

4

4

4

4

CLKOUT/nIRQ3

Output

Interrupt 3/clock output

8

8

8

8

nTIRQ

Output

Timer interrupt output

12

12

AB080X

AB081X

(1) – Available in AB0804 and AB0804 only, else NC

(2) – Available in AB0803 and AB0805 only, else VSS

(3) – Available in AB0814 and AB0815 only, else NC

(4) – Available in AB0813 and AB0815 only, else VSS