M64894FP/GP
Data Cording Example
Write Mode Format Example
Byte
Address Byte
Divider byte 1
Divider byte 2
Control byte 1
MSB
1
0
1
1
1
1
0
1
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
0
0
LSB
1
1
1
1
1
Condition in Data Setting
ADS input V
CC1
Dividing ratio N
=
16544
C.P.current 270µA
f
REF
division ratio 1/1024
BS4 output ON
Band SW byte
0
0
0
0
1
Note: f
VCO
=
N 8 f
REF
=
16544 8 (4MHz/1024)
=
517MHz
Read Mode Format Example
Byte
Address byte
Status byte 1 input
Status byte 1 output
MSB
1
1
0
1
1
1
0
1
1
0
1
1
0
1
1
1
1
0
1
1
1
1
1
1
LSB
1
1
1
Condition in Data Setting
FL “1” output at locked ADC
input at open
Test Mode Data Set Up Method
Test Mode Bit Set Up
X
MA1, MA0
: Random, 0 or 1. normal “0”
: Programmable address bit
MA0
0
1
0
1
Address Input Voltage
MA1
0 to 0.1
±
V
CC1
0
Always valid
0
0.4
±
V
CC1
to 0.6*V
CC1
1
0.9
±
V
CC1
to V
CC1
1
Note: N14 to N0: How to set dividing ratio of the programmable the divider
Dividing ratio N
=
N14 (2
14
=
16384)
+ +N0
(2
0
=
1)
Therefore, the range of division N is 1,024 to 32,768
Example) f
VCO
=
f
REF
•
8
•
N
=
3.90625
•
8
•
N
=
31.25
•
N (kHz)
CP: Setting Up The Charge Pump Current of The Phase Comparator
CP
0
1
Charge pump current
70
µA
270
µA
Mode
Test
Normal
Rev.2.00 Jun 14, 2006 page 8 of 12