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Компоненты Описание
MPC950 Просмотр технического описания (PDF) - Motorola => Freescale
Номер в каталоге
Компоненты Описание
производитель
MPC950
Low Voltage PLL Clock Driver
Motorola => Freescale
MPC950 Datasheet PDF : 13 Pages
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MPC950 MPC951
fsela
PLL_En
Tclk
Ref_Sel
xtal1
xtal
xtal2
OSC
(Pull Down)
FBsel
fselb
MPC950 LOGIC DIAGRAM
PHASE
DETECTOR
VCO
200–480MHz
LPF
÷
8/
÷
16
fselc
MR/OE
fseld
POWER–ON RESET
÷
2/
÷
4
Qa
÷
4/
÷
8
Qb
Qc0
÷
4/
÷
8
Qc1
÷
4/
÷
8
Qd0
Qd1
Qd2
Qd3
Qd4
GNDO
Qb
VCCO
Qa
GNDO
TCLK
PLL_En
Ref_Sel
24 23 22 21 20 19 18 17
25
16
26
15
27
14
28
13
MPC950
29
12
30
11
31
10
32
9
12345678
Qd2
VCCO
Qd3
GNDO
Qd4
VCCO
MR/OE
xtal2
MOTOROLA
2
FUNCTION TABLES
Ref_Sel
1
0
Function
TCLK
XTAL_OSC
PLL_En
1
0
Function
PLL Enabled
PLL Bypass
FBsel
1
0
MR/OE
1
0
Function
÷
8
÷
16
Function
Outputs Disabled
Outputs Enabled
fseln
1
0
Function
Qa =
÷
4; Qb:d =
÷
8
Qa =
÷
2; Qb:d =
÷
4
TIMING SOLUTIONS
BR1333 — Rev 6
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