PEF80912HV14XT Lantiq, PEF80912HV14XT Datasheet - Page 18

• Manufacturer Part Number: PEF80912HV14XT
• Manufacturer: Lantiq

Specifications of PEF80912HV14XT

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Table 2
Pin
12
27
35
PU: Internal pull-up resistor (typ. 100 µA)
I: Input
O: Output (Push-Pull)
OD: Output (Open Drain)
1.7.1
LED Pins ACT, LP2I
A LED can be connected to pin ACT to display four different states (off, slow flashing,
fast flashing, on). It displays the activation status of the U- and S-transceiver according
to
with:
Table 3
Pin ACT
V
8Hz
1Hz
GND
U_Deactivated: ’Deactivated State’ as defined in
U_Activated: ’Synchronized 1’, ’Synchronized 2’, ’Wait for ACT’, ’Transparent’, ’Error S/
T’, ’Pend. Deact. S/T’, ’Pend. Deact. U’ as defined in
S-Activated: ’Activated State’ as defined in
Data Sheet
DD
Table
3.
Pin Definitions and Functions (cont’d)
Specific Pins
ACT States
LED
off
8Hz
1Hz
on
Symbol
ACT
TP1
TP2
U_Deactivated
1
0
0
0
Type
O
I
I
Function
Activation LED.
Indicates the activation status of U- and S-
transceiver. Can directly drive a LED (4 mA).
Test Pin 1.
Used for factory device test.
Tie to V
Test Pin 2.
Used for factory device test.
Tie to V
10
Chapter
U_Activated
x
0
1
1
SS
SS
Chapter
2.4.5.
Chapter
2.3.5.5.
2.3.5.5.
PEF 80912/80913
S_Activated
x
x
0
1
2001-03-29
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