![](http://datasheet.mmic.net.cn/Texas-Instruments/TXS02326MRGER_datasheet_99841/TXS02326MRGER_3.png)
SCES795C
– SEPTEMBER 2010 – REVISED FEBRUARY 2011
TERMINAL FUNCTIONS
POWER
NO.
NAME
TYPE(1)
DESCRIPTION
DOMAIN
1
IRQ
I/O
VDDIO
Interrupt to baseband. This signal is used to set the I2C address.
2
RSTX
I
VDDIO
Active-low reset input from baseband
3
SDN
I
VDDIO
Power down SIM2; for example, from switch
4
BSI
I
VDDIO
Analog signal from battery. This input accepts input voltages up to 3 V.
5
SIM2CLK
O
VSIM2
SIM2 clock
6
SIM2I/O
I/O
VSIM2
SIM2 data
7
SIM2RST
O
VSIM2
SIM2 reset
8
VSIM2
O
VSIM2
1.8 V/2.95 V supply voltage to SIM2
9
VBAT
P
VBAT
Battery power supply
10
GND
G
Ground
11
VSIM1
O
VSIM1
1.8 V/2.95 V supply voltage to SIM1
12
SIM1RST
O
VSIM1
SIM1 reset
13
SIM1I/O
I/O
VSIM1
SIM1 data
14
SIM1CLK
O
VSIM1
SIM1 clock
15
NC
No connect
16
SIMRST
I
VDDIO
UICC/SIM reset from baseband
17
SIMCLK
I
VDDIO
UICC/SIM clock
18
SIMI/O
I/O
VDDIO
UICC/SIM data
19
OE
I
VDDIO
UICC/SIM data direction from baseband
20
GND
G
21
VDDI/O
P
VDDIO
1.8-V power supply for device operation and I/O buffers toward baseband
22
CLK
I
VDDIO
32-kHz clock
23
SCK
I
VDDIO
I2C clock
24
SDA
I/O
VDDIO
I2C data
(1)
G = Ground, I = Input, O = Output, P = Power
2010–2011, Texas Instruments Incorporated
3