參數(shù)資料
型號: SAA7114H
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉(zhuǎn)換
英文描述: PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC comb filter, VBI data slicer and high performance scaler
中文描述: COLOR SIGNAL DECODER, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT407-1, LQFP-100
文件頁數(shù): 84/147頁
文件大?。?/td> 759K
代理商: SAA7114H
2004 Mar 03
84
Philips Semiconductors
Product specification
PAL/NTSC/SECAM video decoder with adaptive PAL/NTSC
comb filter, VBI data slicer and high performance scaler
SAA7114
15 I
2
C-BUS DESCRIPTION
The SAA7114 supports the ‘fast mode’ I
2
C-bus specification extension (data rate up to 400 kbits/s).
15.1
I
2
C-bus format
Table 36
Description of I
2
C-bus format
Note
1.
If pin RTCO strapped to supply voltage via a 3.3 k
resistor.
CODE
DESCRIPTION
S
Sr
SLAVE ADDRESS W
SLAVE ADDRESS R
ACK-s
ACK-m
SUBADDRESS
DATA
START condition
repeated START condition
‘0100 0010’ (42H, default) or ‘0100 0000’ (40H; note 1)
‘0100 0011’ (43H, default) or ‘0100 0001’ (41H; note 1)
acknowledge generated by the slave
acknowledge generated by the master
subaddress byte; see Tables 37 and 38
data byte; see Table 38; if more than one byte DATA is transmitted the subaddress pointer is
automatically incremented
STOP condition
read/write control bit (LSB slave address); X = 0, order to write (the circuit is slave receiver);
X = 1, order to read (the circuit is slave transmitter)
P
X
ACK-s
ACK-s
DATA
SLAVE ADDRESS W
data transferred
(n bytes + acknowledge)
MHB339
P
S
ACK-s
SUBADDRESS
a. Write procedure.
b. Read procedure (combined).
ACK-s
ACK-m
SLAVE ADDRESS R
MHB340
P
Sr
ACK-s
ACK-s
DATA
SUBADDRESS
SLAVE ADDRESS W
S
data transferred
(n bytes + acknowledge)
Fig.43 I
2
C-bus format.
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