參數(shù)資料
型號： 20-101-0788
廠商： Rabbit Semiconductor
文件頁數(shù)： 17/90頁
文件大小： 0K
描述： COMPUTER SGL-BOARD OP6600 W/SRAM
標(biāo)準(zhǔn)包裝： 1
系列： SBC
模塊/板類型： 單板計算機(jī)模塊
適用于相關(guān)產(chǎn)品： OP6600
20
Intellicom (OP6600/OP6700)
3.2 Serial Communication
In the factory-default configuration, the Intellicom has one RS-232 (3-wire) serial channel,
one RS-485 serial channel, and one synchronous CMOS serial channel. The Intellicom may
be configured for 5-wire RS-232 or two 3-wire RS-232 channels. The exact configuration
instructions depend on the version of Intellicom board you have. This information is
etched on the bottom side of the printed circuit board, or you can readily determine your
version by examining the diagrams below to find the one that matches your board.
Version 175-0188 Rev. A & B
The RS-232 transceiver may be used as a 5-wire RS-232 channel or as two 3-wire RS-232
channels at the expense of the RS-485 channel by adding 0
surface-mounted resistors at
R61 and R62 as shown in Figure 8(a). The RS-485 chip (U10) and the associated bias and
termination resistors (R58, R59, and R60) shown in Figure 9(a) must be removed when
configuring the Intellicom for either one 5-wire RS-232 or two 3-wire RS-232.
Figure 8(a). Intellicom RS-232/RS-485 Serial Communication Options
Table 2(a) summarizes the options. Note that the parameters in the serMode software
function call must also be set to match the hardware configuration being used.
Table 2(a). Serial Communication Configurations (Version 175-0188 Rev. A & B)
Item
One 3-wire RS-232
& RS-485
Two 3-wire RS-232 One 5-wire RS-232
R58–R60
In
Out
R61–R62
Out
In
U10
In
Out
J7-3 & J5-3
RS-485+
TxB
J7-4 & J5-4
RS-485–
RxB
J7-6
TxC
RTS
J7-7
RxC
CTS
2
51
6
J5
D6
1
J7
R59
R57
C28
2
1
8
7
J6
C35
D10 D11
Q1
1
Q12
GND
PWR
ENET
LNK
ACT
EGND
D7
TVS1
U8
+
R52
C30
C31
C32
R53
U9
C33
C34
R54
T1
Y3
R56
DS1
DS2
GND
485-
C50
C51
C52
R80
KEYPAD
R76
R77
R78
R79
J8
C48
C49
R73
O3
R74
R75
RX
TX
U10
C40
U1
1
C41
L1
TP4
TP7
C36
C37
C38
C39
TP5
R58
C45
R63
R64 R66
R65
R60
C44
R61 R62
R71
Q10
C43
D8
D9
Q9
JP4
R51
C29
Y2
TP9
TP8
TP6
C47R72
C46
R70
R69
C42
R68
R67
1
J7PWR
GND
485+
R81
R59
485-
R60
Z-COM
O1
O2
I0
I1
I2
I3
O0
RS-232
RS-
485
RS-232 (3-wire)
& RS-485
Serial Options
R61 R62
RS-232 (5-wire)
or two RS-232
R61 R62
R59
R58
R60
R58
R59
175-0188
Rev. A & B
U10
R59
680 W
R58
220 W
R60
681 W
6
7
U11
13
8
14
7
485+/TxB
(J7-3 & J5-3)
TxC/RTS
(J7-6)
485/RxB
(J7-4 & J5-4)
RxC/CTS
(J7-7)
R61
R62
0 W
485+/TxB
(J5-3)
485/RxB
(J5-4)
Factory
Default
FD
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