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參數(shù)資料
| 型號： | MC145162D1 |
| 廠商： | MOTOROLA INC |
| 元件分類： | XO, clock |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | PLL FREQUENCY SYNTHESIZER, 85 MHz, PDSO16 |
| 封裝： | SOG-16 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 223K |
| 代理商： | MC145162D1 |
MC145162
MC145162–1
12
MOTOROLA
Figure 16. Reference Frequency Counter/Selection Programming Mode
1
0
Rx–0
SELECT
1
0
Tx–0
SELECT
D
C
B
A
OSCout
OSCin
fR2
fR1
LD
RxPDout
TxPDout
12–BIT PROGRAMMABLE
REFERENCE COUNTER
Tx
PHASE
DETECTOR
MAXIMUM
CRYSTAL FREQUENCY
16.0 MHz
14–BIT PROGRAMMABLE
AUXILIARY REFERENCE
COUNTER
Rx
PHASE
DETECTOR
fR1
S2
fR1
S1
AUX
REF
ENABLE
14–BITS AUX REF FREQ
DATA
12–BITS REF FREQ
DATA
REFERENCE
FREQUENCY
SELECT
AUXILIARY REFERENCE
FREQUENCY COUNTER
REF FREQUENCY
COUNTER IDENTIFIER = 0
REFERENCE
FREQUENCY
SELECT
0
Rx–0
SELECT
Tx–0
SELECT
ENB
REFERENCE
FREQUENCY
COUNTER
Din
NOTE: ENB must be high during the serial transfer.
CLK
25
4
Table 4. Bit Function and the Reference Frequency Selection Bit Setting of the
Reference Frequency Counter Programming Word
AUX REF
Enable
Auxiliary Reference Frequency
Counter Mode
Module
Select
fR1
S1
fR1
S2
fR1 Routing
N/A
fR1
→
A
0
14–Bit Auxiliary Reference Frequency
Counter Disable
fR2
→
C
0
0
0
1
1
0
fR1
→
B
N/A
1
1
1
14–Bit Auxiliary Reference Frequency
Counter Enable
fR2
→
D
0
0
0
1
N/A
fR1
→
A
1
0
fR1
→
B
fR1
→
C
1
1
N/A = Not Applicable
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