參數(shù)資料
型號: 935273916518
廠商: NXP SEMICONDUCTORS
元件分類: 顏色信號轉換
英文描述: COLOR SIGNAL DECODER, PBGA156
封裝: 15 X 15 MM, 1.15 MM HEIGHT, LEAD FREE, PLASTIC, MS-034, SOT-472-1, BGA-156
文件頁數(shù): 172/178頁
文件大小: 988K
代理商: 935273916518
2004 Jul 22
93
Philips Semiconductors
Product specication
Multistandard video decoder with adaptive
comb lter and component video input
SAA7118
15 I2C-BUS DESCRIPTION
The SAA7118 supports the ‘fast mode’ I2C-bus specification extension (data rate up to 400 kbit/s).
15.1
I2C-bus format
Table 36 Description of I2C-bus format
Note
1. If pin RTCO strapped to supply voltage via a 3.3 k
resistor.
CODE
DESCRIPTION
S
START condition
Sr
repeated START condition
SLAVE ADDRESS W
‘0100 0010’ (42H, default) or ‘0100 0000’ (40H; note 1)
SLAVE ADDRESS R
‘0100 0011’ (43H, default) or ‘0100 0001’ (41H; note 1)
ACK-s
acknowledge generated by the slave
ACK-m
acknowledge generated by the master
SUBADDRESS
subaddress byte; see Tables 37 and 38
DATA
data byte; see Table 38; if more than one byte DATA is transmitted the subaddress pointer is
automatically incremented
P
STOP condition
X
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)
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
DATA
SUBADDRESS
SLAVE ADDRESS W
S
data transferred
(n bytes + acknowledge)
Fig.50 I2C-bus format.
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