EM3027
1
Packages / Pin Out Configuration
Pin
1
2
3
Name
X1
X2
VBack
VSS
Function
32.768 kHz crystal input
32.768 kHz crystal output
Backup Supply
SO8-TSSOP8
Vcc
X1
4
Ground Supply
X2
IRQ/CLKOUT
SCL
5
6
SDA
SCL
Serial Data
Serial Clock
EM3027
VBack
7
8
IRQ/CLKOUT Interrupt Request/Clock output
VCC Positive Supply
Vss
SDA
Table 1
I2C
Pin
1
2
Name
X1
X2
Function
TSSOP14
32.768 kHz crystal input
32.768 kHz crystal output
Serial Data input
X1
NC
3
SI
Regulated Voltage – Reserved for
test purpose (This output must be
left unconnected)
CLKOE
X2
SI
4
VReg
VCC
5
6
VBack
INT
Backup Supply
EM3027
Interrupt Request output
(Open Drain active low)
Ground Supply
VReg
IRQ/CLKOUT
VBack
7
8
VSS
SO
CS
Serial Data output
9
SCK
CS
Serial Clock input
Chip Select input
INT
Vss
SCK
SO
10
11
12
IRQ/CLKOUT Interrupt Request/Clock output
VCC
Positive Supply
Clock Output Enable
CLKOE = ‘0’ CLKOUT is low
CLKOE = ‘1’ CLKOUT is output
Not Connected
SPI
13
CLKOE
14
NC
Table 2
3
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Copyright 2013, EM Microelectronic-Marin SA
3027-DS.doc, Version 8.0, 25-Jan-13
EMMICRO [ EM MICROELECTRONIC - MARIN SA ]
