参数资料
型号: FMS6501MSA28X
厂商: Fairchild Semiconductor
文件页数: 13/14页
文件大小: 0K
描述: IC VIDEO SW MATRIX 12X9 28SSOP
标准包装: 1
类型: 视频开关,12 输入,9 输出
应用: 机顶盒
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 标准包装
产品目录页面: 1214 (CN2011-ZH PDF)
其它名称: FMS6501MSA28XDKR
FMS6501
12
Input
/
9
Output
V
ideo
Switch
Matrix
with
I
nput
Clamp,
Input
Bias
Circ
uitry
,and
Output
Drivers
2004 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FMS6501 Rev. 1.0.4
8
I2C Interface
Figure 4. Bit Transfer
Figure 5. Definition of START and STOP conditions
Operation
The I2C-compatible interface conforms to the I2C spec-
ification for Standard Mode. Individual addresses may
be written. There is no read capability. The interface
consists of two lines. These is a serial data line (SDA)
and a serial clock line (SCL), both of which must be
connected to a positive supply through an external
resistor. Data transfer may be initiated only when the
bus is not busy.
Bit Transfer
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable during
the HIGH period of the clock pulse. Changes in the line
during this time are interpreted as a control signal.
Data line
stable;
data valid
SCL
SDA
Change
of data
allowed
Start and Stop Conditions
The data and clock lines remain HIGH when the bus is
not busy. A HIGH-to-LOW transition of the data line,
while the clock is HIGH, is defined as START condition
(S). A LOW-to-HIGH transition of the data line, while
the clock is HIGH, is defined as STOP condition (P).
SP
START condition
STOP condition
SCL
SDA
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