PSF21150 INFINEON [Infineon Technologies AG], PSF21150 Datasheet - Page 28
![no-image](/images/no-image-200.jpg)
PSF21150
Manufacturer Part Number
PSF21150
Description
IPAC-X ISDN PC ADAPTER CIRCUIT
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PSF21150.pdf
(272 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PSF21150FV1.4
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
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Table 2
Pin No.
MQFP-64
TQFP-
64
IOM-2 Interface
Data Sheet
41
38
52
53
3
1
5
Symbol
ALE
CS
INT
RES
AMODE
FSC
DCL
IPAC-X Pin Definitions and Functions (cont’d)
Input (I)
Output (O)
Open Drain
(OD)
I
I
OD (O)
I
I
I/O
I/O
Function
Address Latch Enable
A HIGH on this line indicates an address on the
external address/data bus (multiplexed bus type
only).
ALE also selects the microcontroller interface bus
type (multiplexed or non multiplexed).
Chip Select
A low level indicates a microcontroller access to the
IPAC-X.
Interrupt Request
INT becomes active low (open drain) if the IPAC-X
requests an interrupt.
The polarity can be reprogrammed to high active
with push-pull chracteristic.
Reset
A LOW on this input forces the IPAC-X into a reset
state.
Address Mode
Selects between direct (0) and indirect (1) register
access mode.
Frame Sync
8-kHz frame synchronization signal.
Data Clock
IOM-2 interface clock signal (double clock) (e.g
1.536 MHz in TE mode).
28
Pin Configuration
PSB 21150
PSF 21150
2000-07-21
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