Philips Semiconductors
Preliminary specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI-data slicer and high performance scaler
SAA7114H
quartz (3rd harmonic)
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24.576 MHz
XTAL
XTAL
6
7
6
7
C
10 pF
SAA7114H
SAA7114H
XTALI
XTALI
MHB558
L
10 µH ± 20%
C
10 pF
C
1 nF
a. With quartz crystal.
b. With external clock.
Fig.41 Oscillator application.
15 I2C-BUS DESCRIPTION
The SAA7114H supports the ‘fast mode’ I2C-bus specification extension (data rate up to 400 kbits/s).
15.1 I2C-bus format
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S
ACK-s
ACK-s
ACK-s
P
SLAVE ADDRESS W
SUBADDRESS
DATA
data transferred
(n bytes + acknowledge)
MHB339
a. Write procedure.
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S
SLAVE ADDRESS W
SLAVE ADDRESS R
ACK-s
ACK-s
SUBADDRESS
ACK-s
Sr
DATA
ACK-m
P
data transferred
(n bytes + acknowledge)
MHB340
b. Read procedure (combined).
Fig.42 I2C-bus format.
80
2000 Mar 15
NXP [ NXP ]
