參數(shù)資料
型號: MAX9675EVKIT+
廠商: Maxim Integrated Products
文件頁數(shù): 9/27頁
文件大?。?/td> 0K
描述: KIT EVAL FOR MAX9675
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,交叉點開關(guān)/多路復(fù)用器
嵌入式:
已用 IC / 零件: MAX9675
主要屬性: 16 x 16 視頻交叉點開關(guān)
次要屬性: 圖形用戶界面,USB 接口
已供物品: 板,纜線,CD
MAX9675
110MHz, 16 x 16 Video Crosspoint
Switch with Programmable Gain
______________________________________________________________________________________
17
with a single 16-bit control word. The control word con-
sists of two don’t care MSBs, the chip address bits, out-
put address bits, an output enable/disable bit, an
output gain-set bit, and input address bits (Tables 2
through 6, and Figure 2).
In mode 0, data at DIN passes directly to DOUT
through the data routing gate (Figure 3). In this configu-
ration, the 16-bit control word is simultaneously sent to
all chips in an array of up to 16 addresses.
Complete Matrix Mode (MODE = 1)
Drive MODE to logic-high to select mode 1. A single
96-bit control word consisting of sixteen 6-bit control
words programs all outputs. The 96-bit control word’s
first 6-bit control word (MSBs) programs output 15, and
the last 6-bit control word (LSBs) programs output 0
(Table 7 and Figures 4 and 5). Data clocked into the
96-bit Complete Matrix Mode register is latched on the
falling edge of UPDATE, and the outputs are immedi-
ately updated.
Initialization String
The Complete Matrix Mode (Mode = 1) is convenient to
use to program the matrix at power-up. In a large
matrix consisting of many MAX9675 devices, all the
devices can be programmed by sending a single bit
stream equal to n x 96 bits, where n is the number of
MAX9675 devices on the bus. The first 96-bit data word
programs the last MAX9675 in line (see the
Matrix
Programming section).
BIT
NAME
FUNCTION
0
(LSB)
Input Address 0
LSB of input channel
select address
1
Input Address 1
2
Input Address 2
3
Input Address 3
MSB of input channel
select address
4
Gain Set
Gain Select for output
buffer, 0 = gain of +1V/V,
1 = gain of +2V/V
5
Output Enable
Enable bit for output,
0 = disable, 1 = enable
6
Output Address B0
LSB of output buffer
address
7
Output Address B1
8
Output Address B2
9
Output Address B3
MSB of output buffer
address
10
IC Address A0
LSB of selected chip
address
11
IC Address A1
12
IC Address A2
13
IC Address A3
MSB of selected chip
address
14
X
Don’t care
15
(MSB)
X
Don’t care
Table 2. 16-Bit Serial Control Word Bit
Assignments (Mode 0: Individual Output
Address Mode)
IC ADDRESS BIT
ADDRESS
A3
(MSB)
A2
A1
A0
(LSB)
CHIP
ADDRESS
(HEX)
CHIP
ADDRESS
(DECIMAL)
0
0h
0
1
1h
1
0
1
0
2h
2
0
1
3h
3
0
1
0
4h
4
0
1
0
1
5h
5
0
1
0
6h
6
0
1
7h
7
1
0
8h
8
1
0
1
9h
9
1
0
1
0
Ah
10
1
0
1
Bh
11
1
0
Ch
12
1
0
1
Dh
13
1
0
Eh
14
1
Fh
15
Table 3. Chip Address Programming for
16-Bit Control Word (Mode 0: Individual
Output Address Mode)
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