R
EM3027
1
Packages / Pin Out Configuration
Pin
1
2
3
4
5
6
7
8
Table 1
Name
X1
X2
V
Back
V
SS
SDA
SCL
IRQ/CLKOUT
V
CC
Function
32.768 kHz crystal input
32.768 kHz crystal output
Backup Supply
Ground Supply
Serial Data
Serial Clock
Interrupt Request/Clock output
Positive Supply
SO8-TSSOP8
X1
X2
V
Back
Vss
Vcc
IRQ/CLKOUT
EM3027
SCL
SDA
I2C
TSSOP14
X1
X2
SI
NC
CLKOE
V
CC
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
Name
X1
X2
SI
V
Reg
V
Back
INT
V
SS
SO
SCK
CS
IRQ/CLKOUT
V
CC
CLKOE
V
Reg
V
Back
INT
Vss
EM3027
IRQ/CLKOUT
CS
SCK
SO
SPI
14
NC
Table 2
Function
32.768 kHz crystal input
32.768 kHz crystal output
Serial Data input
Regulated Voltage – Reserved for
test purpose (This output must be
left unconnected)
Backup Supply
Interrupt Request output
(Open Drain active low)
Ground Supply
Serial Data output
Serial Clock input
Chip Select input
Interrupt Request/Clock output
Positive Supply
Clock Output Enable
CLKOE = ‘0’ CLKOUT is low
CLKOE = ‘1’ CLKOUT is output
Not Connected
Copyright © 2009, EM Microelectronic-Marin SA
12/09 – rev D
3
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