BU1424K View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BU1424K

NTSC / PAL digital RGB encoder

ROHM Semiconductor 

Multimedia ICs

3. Slave mode, single clock mode

Encoder slave (pin 33 = L)

Internal clock = input clock (pin 53 = L)

BU1424K

VCLK (53pin)

BCLK

(Internal clock)

Input data

output data

(HSY, VSY)

Tds3

Tsh1 Tsd1

Fig.13

∗ In this mode, the internal clock (BCLK) begins to operate at the same phase as the VCLK input, following the rise

of the RSTB pin (pin 52).

Table 13

Parameter

Data setup time 3

Sync signal hold time

Sync signal hold time

Symbol

Min.

Typ.

Max.

Tds3

10

—

—

Tsh1

10

—

—

Tsd1

10

—

—

4. Slave mode, doubled clock mode

Encoder slave (pin 33 = L)

Internal clock = 2 ∗ input clock (pin 53 = L)

VCLK (53pin)

BCLK

(Internal clock)

Input data

Input data

(HSY, VSY)

Tds4

Tsh2 Tsd2

Fig.14

20

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