stmec001qtr STMicroelectronics, stmec001qtr Datasheet - Page 6

• Manufacturer Part Number: stmec001qtr
• Description: Power Interface Switch For Expresscardtm
• Manufacturer: STMicroelectronics

Pin configuration
Table 2.
6/18
QFN16
15
16
10
11
12
13
14
1
2
3
4
5
6
7
8
9
-
-
-
-
-
-
-
-
Pin
TSSOP20
Pin description
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
-
-
-
-
VIN_3.3V
VO_3.3V
/SYSRST
VIN_3.3V
VIN_3.3V
VIN_1.5V
VIN_1.5V
RCLKEN
VO_3.3V
VO_3.3V
VO_1.5V
VO_1.5V
/CPUSB
/PERST
/SHDN
/CPPE
/STBY
Name
GND
/OC
NC
NC
NC
NC
NC
AUX
AUX
Type
I/O
O
O
O
O
O
O
O
-
-
-
-
-
-
I
I
I
I
I
I
I
I
I
I
Not connected
System Reset input - active low, logic level signal, internal 150K pull-
up
Shutdown input - active low, logic level signal, internal 150K pull-down
Standby input - active low, logic level signal, internal 150K pull-down
3.3V input for VO_3.3V
3.3V input for VO_3.3V
Switched output that delivers 0V, 3.3V or high impedance to card
Switched output that delivers 0V, 3.3V or high impedance to card
A logic level power good to slot (delayed)
Not connected
Ground
Not connected
Not connected
Card Present input for USB cards, internal 150K pull-up
Card Present input for PCI Express cards, internal 150K pull-up
Switched output that delivers 0V, 1.5V or high impedance to card
Switched output that delivers 0V, 1.5V or high impedance to card
1.5V input for 1.5Vout
Switched output that delivers 0V, 3.3V or high impedance to card
3.3 V input for VO_3.3V
Reference Clock Enable signal. As an output, a logic level power
good to host for slot (open drain). As an input, if kept inactive by the
host, prevents /PERST from being de-asserted, internal 150K pull-up
Not connected
1.5V input for 1.5Vout
Over current status output for slot (open drain)
AUX
and chip power
Description
STMEC001