User manual Fujitsu MB15E07SL

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MB15E07SL  
PIN DESCRIPTIONS  
Pin no.  
Pin  
I/O  
Descriptions  
name  
SSOP  
BCC  
16  
1
1
2
3
4
OSCIN  
I
Programmable reference divider input. Connection to a TCXO.  
Oscillator output.  
OSCOUT  
O
2
V
P
Power supply voltage input for the charge pump.  
Power supply voltage input.  
3
VCC  
Charge pump output.  
Phase of the charge pump can be selected via programming of the FC bit.  
5
4
D
O
O
6
7
5
6
GND  
Xfin  
I
Ground.  
Prescaler complementary input, which should be grounded via a capacitor.  
Prescaler input.  
Connection to an external VCO should be done via AC coupling.  
8
7
fin  
Clock  
Data  
LE  
I
I
I
I
Clock input for the 19-bit shift register.  
Data is shifted into the shift register on the rising edge of the clock.  
9
8
(
Open is prohibited.)  
Serial data input using binary code.  
The last bit of the data is a control bit. (Open is prohibited.)  
10  
9
Load enable signal input. (Open is prohibited.)  
When LE is set high, the data in the shift register is transferred to a latch  
according to the control bit in the serial data.  
11  
10  
Power saving mode control. This pin must be set at “L” at Power-ON.  
(
PS = “H”; Normal mode  
PS = “L”; Power saving mode  
Open is prohibited.)  
1
1
1
2
11  
12  
13  
PS  
ZC  
I
I
Forced high-impedance control for the charge pump (with internal pull up  
resistor.)  
ZC = “H”; Normal Do output.  
3
4
ZC = “L”; Do becomes high impedance.  
Lock detect signal output (LD)/phase comparator monitoring output (fout).  
The output signal is selected via programming of the LDS bit.  
LDS = “H”; outputs fout (fr/fp monitoring output)  
LD/fout  
O
LDS = “L”; outputs LD (“H” at locking, “L” at unlocking.)  
Phase comparator N-channel open drain output for an external charge  
pump. Phase can be selected via programming of the FC bit.  
1
5
6
14  
15  
φP  
φR  
O
O
Phase comparator CMOS output for an external charge pump. Phase can  
be selected via programming of the FC bit.  
1
3

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