CMX589A 查看數據表（PDF） - CML Microsystems Plc
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CMX589A Datasheet PDF : 24 Pages
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GMSK Modem
Pin No.
E2/D5/
D2/P4
Signal
16 Tx Out
17 Tx Enable
18 Tx PSAVE
19 Tx Data
20 Rx Data
21 Rx CLK
22 Tx CLK
23 Rx S/N
24
VDD
Type
Description
CMX589A
I/P Gaussian filtered Tx output signal. In powersave mode the Tx Out pin is
high impedance.
I/P A logic ‘1’ applied to this input, enables the transmit data path, through
the Tx Filter to the Tx Out pin. A logic ‘0’ will place the Tx Out pin to
VBIAS via a high impedance.
I/P A logic ‘1’ applied to this input will powersave all transmit circuits except
for the Tx Clock.
I/P The logic level input for the data to be transmitted. This data should be
synchronous with Tx CLK.
I/P A logic level output carrying the received data, synchronous with
Rx CLK.
I/P A logic level clock output at the received data bit-rate.
I/P A logic level clock output at the transmit data bit-rate.
O/P A logic level output which may be used as an indication of the quality of
the received signal.
power Positive supply. Levels and voltages within the device are dependent
upon this supply. This pin should be bypassed to VSS by a capacitor
mounted close to the pin.
Table 1: Signal List
© 1998 Consumer Microcircuits Limited
5
D/589A/3
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