MC44BS373CADR2 datasheet(12/52 Pages) FREESCALE

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MC44BS373CA Data Sheet

I2C Programming

Table 18 lists settings of fields X5, X4, and X3, used to set the device into test mode 2.

Table 19 lists settings of fields Y2, Y1, and OOR, used to set the device into READ mode and to determine

RF oscillator out-of-frequency range information.

1.f

DC drive applied to modulators—Non-inverted video at TVOUT

1.g

DC drive applied to modulators—Inverted video at TVOUT

1.h

Transient output inhibit disabled (that is, speed-up mode)

During this speed-up test mode, ATT = 0 forces sound current source to 1

µA,

while ATT = 1 forces it to 10

µA.

Table 18. Write Mode—Test Mode 2

State

Description

2.a

Normal operation

2.b

Test pattern generator DC verification (test pattern DC test mode available)

2.c

Program divider test (UHF program divider on PLLFILT pin and sound program

divider on SPLLFIL pin)

2.d

Reference divider test (UHF reference divider on PLLFILT pin)

2.e

UHF phase comparison, upper source on PLLFILT pin

Sound phase comparison 10-

µA upper source on SPLLFIL

(only valid during transient output inhibit)

2.f

UHF phase comparison, lower source on PLLFILT pin

Sound phase comparison 10-

µA lower source on SPLLFIL

(only valid during transient output inhibit)

2.g

Sound phase comparison 1-

µA upper source on SPLLFIL

(not valid during transient output inhibit)

2.h

Sound phase comparison 1-

µA lower source on SPLLFIL

(not valid during transient output inhibit)

Table 19. Read Mode

Bit

Value

Setting

OOR

Normal operation, VCO in range

VCO out of range

VCO out of range, frequency too low. Only valid if OOR=1

VCO out of range, frequency too high. Only valid if OOR=1

High VCO is active.

Low VCO is active.

Table 17. Write Mode—Test Mode 1 and VHF Range (continued)

State

Description

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