MC145162 Motorola, MC145162 Datasheet - Page 8
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MC145162
Manufacturer Part Number
MC145162
Description
60 MHz and 85 MHz Universal Programmable Dual PLL Frequency Synthesizers
Manufacturer
Motorola
Datasheet
1.MC145162.pdf
(24 pages)
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MC145162 MC145162–1
8
Test Bit
Aux Data Select
REF out
TxPD Enable
RxPD Enable
Ref PD Enable
Enable
TxPD
0
0
0
0
1
1
1
1
CONTROL REGISTER IDENTIFIER = 1
ENB
CLK
NOTE: ENB must be high during the serial transfer.
D in
3 /
4
Enable
RxPD
Set to 1 for Tx/Rx channel counter test mode
Set to 0 for normal application
Set to 1 for both AD in and D in pins inputting the transmit 16–bits data and receive 16–bits data
Set to 0 for normal application interfacing with MCU serial peripheral interface. Does not use AD in pin;
If set to 1, REF out output frequency is equal to OSC out
If set to 0, REF out output is OSC out
If set to 1, the transmit counter, transmit phase detector, and the associated circuitry is in power–
Tx PS/f Tx is set “High”.
If set to 1, the receive counter, receive phase detector, and the associated circuitry is in power–
Rx PS/f Rx is set “High”.
If set to 1, both 12–bit and 14–bit reference frequency counters are in power–down mode.
MSB
0
0
1
1
0
0
1
1
respectively.
tie AD in to V SS .
down mode.
down mode.
1
Figure 8. Programming Format of the Control Register
Table 2. Control Register Power Down Bits Function
Table 1. Control Register Function Bits Description
REF PD
Enable
0
0
1
0
1
0
1
0
1
TEST
BIT
Tx–Channel Counter
Power Down
Power Down
Power Down
Power Down
SELECT
DATA
AUX
—
—
—
—
CONTROL REGISTER DATA
4.
OUT
REF
3/
4
Rx–Channel Counter
ENABLE
Power Down
Power Down
Power Down
Power Down
3.
TxPD
—
—
—
—
ENABLE
RxPD
ENABLE
REF PD
Frequency Counter
LSB
Power Down
Power Down
Power Down
Power Down
Reference
—
—
—
—
MOTOROLA