M64893GP データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M64893GP

SERIAL INPUT PLL FREQUENCY SYNTHESIZER FOR TV/VCR

MITSUBISHI ELECTRIC  

MITSUBISHI ICS (TV)

M64893FP/GP

SERIAL INPUT PLL FREQUENCY SYNTHESIZER FOR TV/VCR

(2) Test-mode bit setting

X

:Random, 0 or 1.normal "0"

CP

:Set up the charge pump current value

T0, T1, and T2 :Set up test modes

RSa, RSb

:Set the frequency division of the standard

frequency

OS

:Set up the tuning amplifier

SI

:1 Only (It is prohibit to "0 ")

Setting up the charge pump current of the phase comparator

CP

Charge pump current

Mode

0

70µA

Test

1

270µA

Normal

Setting up for the test mode

T2 T1 T0 Charge pump

0 0 X Normal operation

0 1 X High impedance

1 1 0 Sink

1 1 1 Source

1 0 0 High impedance

1 0 1 High impedance

12 pin output

LD

LD

LD

LD

fREF

f1/N

Mode

Normal operation

Test mode

Test mode

Test mode

Test mode

Test mode

Set up for the reference frequency division ratio

RSa

RSb

1

1

0

1

X

0

Division ratio

1/512

1/1024

1/640

Set up the tuning amplifier

OS

Tuning voltage output

0

ON

1

OFF

Mode

Normal

Test

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 : 270µA

Frequency divider ratio : 1/640

Lock detect

: “H”

TIMING DIAGRAM

tr

ENABLE

10%

90%

1.5V

tINT

tf

VIH

90%

10%

VIL

tINT

tBT

VIH

90%

90%

DATA

1.5V

10%

10%

VIL

tr

tf

VIH

90%

90%

CLOCK

1.5V10%

10%

VIL

tPWC

tr

tf

tSU(D)

tH(D)

tH(E)

tBCL

tSU(E)

CRYSTAL OSCILLATOR CONNECTION DIAGRAM

16

18pF

4MHz

Crystal oscillator characteristics

Actual resistance: less than 300Ω

Load capacitance : 20pF

6

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