SAB9083 데이터 시트보기 (PDF) - Philips Electronics
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SAB9083 Datasheet PDF : 24 Pages
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Philips Semiconductors
Multistandard Picture-In-Picture (PIP)
controller
Preliminary specification
SAB9083
handbook, full pagewidth
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MGL587
Fig.4 Multistandard PIP modes.
I2C-bus description
The I2C-bus provides bidirectional 2-line communication
between different ICs. The SDA line is the serial data line
and the SCL the serial clock line. Both lines must be
connected to a positive supply via a pull-up resistor when
connected to the output stages of a device.
Data transfer may be initiated only when the bus is not
busy. The SAB9083 has the I2C-bus address 2CH. Valid
subaddresses are 00H to 18H, register 15H (except bits 7
and 6) and registers 16H to 18H are reserved for future
extensions.
I2C-bus control is according to the I2C-bus protocol: first, a
START sequence must be put on the I2C-bus Then, the
I2C-bus address of the circuit must be sent, followed by a
subaddress. After this sequence, the data of the
subaddresses must be sent. An auto-increment function
gives the option of sending data of the incremented
subaddresses until a STOP sequence is sent. Table 1
gives an overview of the I2C-bus addresses. The data bits
that are not used should be set to zero.
1999 Nov 12
8
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