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參數(shù)資料
| 型號： | ISL59533IKEZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | 32x32 Video Crosspoint with Differential Inputs |
| 中文描述： | 32-CHANNEL, CROSS POINT SWITCH, PBGA356 |
| 封裝： | 27 X 27 MM, 1.17 MM HEIGHT, 1.27 MM PITCH, ROHS COMPLIANT, PLASTIC, MS-034A-BAL-2, BGA-356 |
| 文件頁數(shù)： | 20/24頁 |
| 文件大?。?/td> | 1229K |
| 代理商： | ISL59533IKEZ |
20
FN6222.0
March 13, 2006
Serial Timing Diagram
Programming Model
The device has power-on reset that disables outputs, disables test mode, and turns off analog currents. To start up the device the
control word is sent:
It is important to always program control bits 2-8 as zeros to avoid activating test modes designed for device manufacturing. The
clamp bit activates the input clamp and bleed current sink and works only in the single-ended version.
To enable individual outputs, the output enable control word is sent. There are 32 enables to set; this is done with serial words
controlling eight at a time. The output enable control word format is:
The O
x
bits represent output enables of eight individual registers. The N1N0 bits represent a two bit binary number which is used
in setting n = 2
N1N0
. For instance, to access the control bit of the 11th output enable, we send the word:
Individual output enables are ended with the control register’s common output enable bit and the power on bit.
TABLE 1. SERIAL TIMING PARAMETERS
PARAMETER
RECOMMENDED OPERATING RANGE
DESCRIPTION
T
≥
200ns
Clock Period
t
HE
≥
20ns
ENA Hold Time
t
SE
≥
20ns
ENA Setup Time
t
HD
≥
20ns
Data Hold Time
t
SD
≥
20ns
Data Setup Time
t
W
0.50 * T
Clock Pulse Width
ENA
SCLK
t
r
t
w
t
HE
t
SE
t
f
t
SD
t
HD
T
B0
B1
B2
B12-B2
B14
B15
SDI
LSB
MSB
t
LOAD MSB FIRST, LSB LAST
t
E
TABLE 2. CONTROL WORD FORMAT
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
1
1
1
-
-
-
-
0
0
0
0
0
0
0
Power on
Common
output enable
TABLE 3. OUTPUT ENABLE FORMAT
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
0
0
1
-
-
-
N1
N0
O
n+7
O
n+6
O
n+5
O
n+4
O
n+3
O
n+2
O
n+1
O
n
TABLE 4. OUTPUT ENABLE WORD OF 2ND GROUP OF OUTPUTS
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
0
0
1
-
-
-
0
1
O
15
O
14
O
13
O
12
O
11
O
10
O
9
O
8
ISL59533
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