SP5669KG datasheet(7/15 Pages) MITEL

Part #	SP5669KG

Description	2.7GHz I2C Bus Controlled Synthesiser

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Manufacturer	MITEL [Mitel Networks Corporation]

Direct Link	http://www.mitel.com

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7

SP5669

MSB

LSB

ADDRESS

1

0

MA1

MA0

1

A

Byte 1

STATUS BYTE

POR

FL

X

A2

A1

A0

A

Byte 2

Table 2 Read data format (MSB is transmitted first)

A

:

Acknowledge bit

MA1, MA0

:

Variable address bits (see Table 3)

2 16 –2 0

:

Programmable division ratio control bits

PE

:

Prescaler enable

R3,R2,R1,R0

:

Reference division ratio select (see Fig. 3)

C1, C0

:

Charge pump current select (see Fig.6)

RE

:

Reference oscillator output enable

RTS

:

REF/COMP output select when RE=1 (see Fig.5)

RTS

:

Test mode enable when RE=0 (see Fig.5)

TS2, TS1, TS0

:

Test mode control bits (valid when RE=0, RTS=1, see Fig. 5)

P0

:

P0 port output state (always valid except when RE=0, RTS=1)

P3, P2, P1

:

P3, P2 and P1 port output states

POR

:

Power On Reset indicator

FL

:

Phase Lock Flag

A2, A1, A0

:

ADC data (see Table 4)

X

:

Don’t care

MA1

MA0

Address input voltage level

0

0 – 0.1V

CC

0

1

Open circuit

1

0

0.4V CC – 0.6V

CC #

1

0.9V CC – V

CC

# Programmed by connecting a 15k

Ω resistor

between pin 4 and V

CC

Table 3 Address selection

A2

A1

A0

Voltage on ADC input

1

0

0.6V

CC toV CC

0

1

0.45V

CC to 0.6VCC

0

1

0

0.3V

CC to 0.45VCC

0

1

0.15V

CC to 0.3VCC

0

0 to 0.15V

CC

Table 4 ADC levels

MSB

LSB

ADDRESS

1

0

MA1

MA0

0

A

Byte 1

PROGRAMMABLE

DIVIDER

0

2 14

2 13

2 12

2 11

210

2 9

2 8

A

Byte 2

PROGRAMMABLE

DIVIDER

2 7

2 6

2 5

2 4

2 3

2 2

2 1

2 0

A

Byte 3

CONTROL DATA

1

216

215

PE

R3

R2

R1

R0

A

Byte 4

CONTROL DATA

C1

C0

RE

RTS

P3

P2/TS2 P1/TS1 P0/TS0

A

Byte 5

Table 1 Write data format (MSB is transmitted first)

Figure. 4 Data formats

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