M64894FP/GP

Rev.2.00 Jun 14, 2006 page 8 of 12

Data Cording Example

Write Mode Format Example

Byte

MSB

LSB

Condition in Data Setting

Address Byte

1

1

0

0

0

1

1

0

1

Divider byte 1

0

1

0

0

0

0

0

0

1

Divider byte 2

1

0

1

0

0

0

0

0

1

Dividing ratio N

= 16544

Control byte 1

1

1

0

0

0

0

1

0

1

C.P.current 270

µA

Band SW byte

0

0

0

0

1

0

0

0

1

BS4 output ON

Note:

Read Mode Format Example

Byte

MSB

LSB

Condition in Data Setting

Address byte

1

1

0

0

0

1

1

1

1

Status byte 1 input

1

1

1

1

1

1

1

1

1

Status byte 1 output

0

1

1

1

1

0

1

1

1

FL “1” output at locked ADC

input at open

Test Mode Data Set Up Method

Test Mode Bit Set Up

X

: Random, 0 or 1. normal “0”

MA1, MA0

: Programmable address bit

Address Input Voltage

MA1

MA0

0 to 0.1

0

0

Always valid

0

1

0.4

1

0

0.9

1

1

Note:

N14 to N0: How to set dividing ratio of the programmable the divider

Dividing ratio N

Therefore, the range of division N is 1,024 to 32,768

REF

• 8 • N

• 8 • N

• N (kHz)

CP: Setting Up The Charge Pump Current of The Phase Comparator

CP

Charge pump current

Mode

0

70

µA

Test

1

270

µA

Normal