psf21911 ETC-unknow, psf21911 Datasheet - Page 16

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

Semiconductor Group
Pin No.
P-LCC-44 T-QFP64
42
39
38
41
3
62
61
2
Symbol
Stand-
alone
PCD2
PCA0
PCA1
PCRD
µP
mode
AD2
D2
not used I
D5
AD5
not used I
D6
AD6
not used I
D3
AD3
not used I
I/O
I/O
(PU)
I/O
I/O
O
I/O
I/O
O
I/O
I/O
O
I/O
I/O
16
Function
Data Bus 2 of Power Controller
Interface
Internal pull-up.
Address/Data Bus Pin
(Multiplexed mode)
Data Bus Pin
(Demultiplexed modes)
Address bus 0 of Power Controller
Interface.
Data Bus Pin
(Demultiplexed modes)
Address Data Bus Pin
(Multiplexed mode)
Address bus 1 of Power Controller
Interface
Data Bus Pin
(Demultiplexed modes)
Address Data Bus Pin
(Multiplexed mode)
Power Controller Bus Read Request
Low active.
Data Bus Pin
(Demultiplexed modes)
Address/Data Bus Pin
(Multiplexed mode)
(Serial mode) tie to GND.
(Serial mode) tie to GND.
(Serial mode) tie to GND.
(Serial mode) tie to GND.
Pin Definitions and Functions
PSB 21911
PSF 21911
11.97