M64892AFP datasheet(7/8 Pages) MITSUBISHI

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MITSUBISHI ICS (TV)

M64892AFP/GP

SERIAL INPUT PLL FREQUENCY SYNTHESIZER FOR TV/VCR

(2)Test mode bit set up

:Random, 0 or 1. normal “0”

:Set up the charge pump current value

T0, T1, and T2 :Set up test modes

RSa, RSb

:Set up for the reference frequency division ratio

:Set up the tuning ampliﬁer

:1 only (It is prohibit to “0”)

Setting up the charge pump current of the phase comparator

Setting up for the test mode

∗ Built-in pull up resistor, and the resistor is unnecessary.

Set up for the reference frequency division ratio

Set up the tuning ampliﬁer

POWER ON RESET OPERATION

(Initial state the power is turned ON)

BS4 to BS1

: OFF

Charge pump

: High impedance

Tuning ampliﬁer

: OFF

Charge pump current

: 270

µA

Frequency division ratio

: 1/1024

Lock detect

: “H”

Charge pump current

Mode

070

µA

Test

270

µA

Normal

T2 T1 T0

Charge pump

12 pin output

Mode

Normal operation

High impedance

Test mode

Sink

Test mode

Source

Test mode

High impedance

fREF

Test mode

High impedance

f1/N

Test mode

RSa

RSb

Frequency ratio

1/512

1/1024

1/640

Tuning voltage output

Mode

Normal

OFF

Test

TIMING DIAGRAM

CRYSTAL OSCILLATOR CONNECTION DIAGRAM

ENABLE

VIH

VIL

VIH

VIL

DATA

CLOCK

90%

1.5V

10%

tINT

1.5V

10%

90%

10%

tINT

90%

10%

tH(E)

10%

90%

10%

90%

tH(D)

tSU(E)

tSU(D)

tPWC

1.5V

tBT

tBCL

18pF

4MHz

Crystal oscillator characteristics

Actual resistance: less then 300

Ω

Load capacitance : 20pF

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