參數(shù)資料
型號: ISL41387EVAL1Z
廠商: Intersil
文件頁數(shù): 21/27頁
文件大?。?/td> 0K
描述: EVALUATION BOARD FOR ISL41387
產品培訓模塊: Solutions for Industrial Control Applications
標準包裝: 1
主要目的: 接口,收發(fā)器,RS-232,RS-422,RS-485
嵌入式:
已用 IC / 零件: ISL41387
主要屬性: 2 個驅動器,2 個接收器 - RS-232 模式
次要屬性: 1 個驅動器,1 個接收器 - RS-422/RS-485 模式
已供物品:
3
FN6201.3
November 21, 2007
TABLE 2. ISL81387 FUNCTION TABLE
INPUTS
RECEIVER
OUTPUTS
DRIVER OUTPUTS
DRIVER
SPEED
(Mbps)
CHARGE
PUMPS
(Note 1)
LOOPBACK
(Note 2)
MODE
485/232
ON
RXEN
DEN
SLEW
RA
RB
YZ
0
1
0
N.A.
High-Z
-
ON
OFF
RS-232
0
1
0
1
N.A.
High-Z
ON
0.46
ON
OFF
RS-232
0
1
0
N.A.
ON
High-Z
-
ON
OFF
RS-232
0
1
N.A.
ON
0.46
ON
OFF
RS-232
0
1
N.A.
High-Z
ON
High-Z
0.46
ON
OFF
RS-232
0
1
0
N.A.
High-Z
ON
High-Z
0.46
ON
OFF
RS-232
0
1
N.A.
ON
0.46
ON
RS-232
X
0
X
High-Z
-
OFF
Shutdown
1
0
X
High-Z
-
OFF
RS-485
1
X
0
1
1/0
High-Z
ON
20/0.46
OFF
RS-485
1
X
1
0
X
ON
High-Z
-
OFF
RS-485
1
1/0
ON
High-Z
ON
20/0.46
OFF
RS-485
1
0
1
1/0
ON
High-Z
ON
20/0.46
OFF
ON
RS-485
NOTES:
1. Charge pumps are on if in RS-232 mode and ON or DEN or RXEN are high.
2. Loopback is enabled when ON = 0, and DEN = RXEN = 1.
ISL81387 Truth Tables
RS-232 TRANSMITTING MODE
INPUTS (ON = 1)
OUTPUTS
485/232
DEN
DY
DZ
YZ
010011
010110
011001
011100
0
X
High-Z
RS-232 RECEIVING MODE
INPUTS (ON = 1)
OUTPUT
485/232
RXEN
A
B
RA
RB
010
01
1
010
11
0
011
00
1
011
10
0
1
Open
1
0
X
High-Z
RS-485 TRANSMITTING MODE
INPUTS (ON = 1)
OUTPUTS
485/232
DEN
DY
SLEW
Y
Z
DATA RATE
(Mbps)
11
0
1
0
20
11
1
0
1
20
11
0
1
0
0.46
11
1
0
1
0.46
1
0
X
High-Z High-Z
-
RS-485 RECEIVING MODE
INPUTS (ON = 1)
OUTPUT
485/232
RXEN
B-A
RA
RB
11
≥ -40mV
1
High-Z
11
≤ -200mV
0
High-Z
1
Open or Shorted together
1
High-Z
1
0
X
High-Z
ISL81387, ISL41387
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