AB08XX Series
Real Time Clock Module
ESD Sensitive
Date of Issue: Sept. 10th, 2012
3.0 x 3.0 mm
Page (4) of (12)
Revision #: Initial Release
Abracon Drawing #
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.
AB080X
AM080X
AB081X
AM081X
NC
(1) WDI
NC
1
nTIRQ (1)
FOUT/nIRQ
EXTI (1)
VSS
NC
(3) WDI
NC
1
nCE
FOUT/nIRQ
EXTI (3)
SDI
VSS
PAD
VSS
PAD
nIRQ2
nIRQ2
(1) – Available in AM0804 and AM0804 only, else NC
(1) – Available in AB0804 and AB0804 only, else NC
(2) – Available in AB0803 and AB0805 only, else VSS
(2) – Available in AM0803 and AM0805 only, else VSS
(3) – Available in AB0814 and AB0815 only, else NC
(3) – Available in AM0814 and AM0815 only, else NC
(4) – Available in AB0813 and AB0815 only, else VSS
(4) – Available in AM0813 and AM0815 only, else VSS
Pin Number in AB08XX
01 03 04 05 11 13 14 15
Pin Name
Pin Type
Function
5,
9,
14
5,
9,
14
9,
14
9,
5,
5,
14
VSS
Power
Ground
14
14
14 14
VCC
XI
XO
Power
XT
XT
System power supply
Crystal input
Crystal output
13 13 13 13 13 13 13 13
16 16 16 16 16 16 16 16
15 15 15 15 15 15 15 15
VBAT
SCL
SDO
SDI
nCE
SDA
EXTI
WDI
Power
Input
Output
Input
Input
Input
Input
Input
Output
Output
Output
Output
Battery power supply
I2C or SPI interface clock
SPI data output
5
7
5
7
5
7
6
9
5
7
6
9
7
7
7
6
9
7
6
9
SPI data input
SPI chip select
12 12 12 12
I2C data input/output
External interrupt input
Watchdog reset input
Interrupt 1/function output
Interrupt 2/output
6
6
6
6
10 10
10 10
2
2
2
2
FOUT/nIRQ
nIRQ2
CLKOUT/nIRQ3
nTIRQ
11 11 11 11 11 11 11 11
4
4
4
8
4
8
4
4
4
8
4
8
Interrupt 3/clock output
Timer interrupt output
12 12
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