psf21911 ETC-unknow, psf21911 Datasheet - Page 15

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Power Controller Interface Pins
Semiconductor Group
Pin No.
P-LCC-44 T-QFP64
36
28
44
43
59
47
5
4
Symbol
Stand-
alone
MS2
RES
PCD0
PCD1
µP
mode
not used I
A1
CDIN
RES
AD0
D0
not used I
AD1
D1
not used I
I/O
I
I
I
I
I/O
(PU)
I/O
I/O
I/O
(PU)
I/O
I/O
15
Function
Mode Selection 2
refer to table 2 on page 26.
(Multiplexed mode) tie to GND.
Address Bus Pin
(Demultiplexed modes).
Controller Data In (Serial mode)
CCLK determines the data rate.
Reset
Low active, must be (0) at least for
10 ns.
Refer also to table 3 on page 27 for test
modes invoked with this pin.
Data Bus 0 of Power Controller
Interface
internal pull-up.
Address/Data Bus Pin
(Multiplexed mode)
Data Bus Pin
(Demultiplexed modes)
(Serial mode) tie to GND.
Data Bus 1 of Power Controller
Interface
Internal pull-up.
Address/Data Bus Pin
(Multiplexed mode)
Data Bus Pin
(Demultiplexed modes)
(Serial mode) tie to GND.
Pin Definitions and Functions
PSB 21911
PSF 21911
11.97