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PCF7991AT Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers

Part # PCF7991AT
Description  Fully integrated single chip basestation
PDF  19 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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PCF7991AT Datasheet(HTML) 5 Page - List of Unclassifed Manufacturers

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printed 1998 Apr 20
5
Philips Semiconductors
Product Specification (Rev. 1998 Apr 20)
Advanced Basestation IC
PCF7991AT
6
PINNING INFORMATION
6.1
Pinning Diagram
Fig.2 Pinning diagram for PCF7991AT.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
PCF7991AT
Pin 1 ID
VSS
TX2
VDD
MODE
TX1
XTAL1
XTAL2
SCLK
N.C.
DOUT
DIN
CEXT
QGND
RX
6.2
Pin Description
Table 1
Pin description for PCF7991AT
SYMBOL PIN
DESCRIPTION
VSS
1
Common ground, GND.
TX2
2
Antenna driver output.
VDD
3
Supply voltage input, stabilized.
TX1
4
Antenna driver output.
MODE
5
Microcontroller interface mode select.
XTAL1
6
Oscillator interface, external clock reference input.
XTAL2
7
Oscillator interface.
SCLK
8
Microcontroller interface: serial clock input.
DIN
9
Microcontroller interface: serial data in.
DOUT
10
Microcontroller interface: serial data out.
N.C.
11
Not connected.
CEXT
12
High pass filter decoupling.
QGND
13
Analog ground bias.
RX
14
Receiver input.



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