參數(shù)資料
型號： DM5806
廠商： Electronic Theatre Controls, Inc.
英文描述： DM5806 DATA MODULE DIGITAL I/O BOARD
中文描述： DM5806數(shù)據(jù)模塊數(shù)字I / O板
文件頁數(shù)： 15/64頁
文件大?。?/td> 270K
代理商： DM5806
1-3
Table 1-1: Factory Settings
Switch/
Jumper
Function Controlled
Factory Settings
(Jumpers Installed)
P3
Connects 1 of 6 interrupt sources to an interrupt
channel; pulls tri-state buffer to ground (G) for
multiple interrupt applications
G (ground for buffer) connected;
interrupt channels disabled
P4
Selects the interrupt source
EXT (external interrupt)
CLK0-OSC; CLK1-OT0;
CLK2DOT1 (all three
timer/counters are cascaded)
P5
Sets the clock sources for the three 8254
timer/counters (TC0-TC2)
S1
Sets the base address
300 hex (768 decimal)
S2
Bypasses Port C buffers for Mode 1 operation
Open (buffers not bypassed)
Factory-Configured Switch and Jumper Settings
Table 1-1 lists the factory settings of the user-configurable jumper and switches on the DM5806 board.
Figure 1-1 shows the board layout and the locations of the factory-set jumpers. The following paragraphs explain
how to change the factory settings. Pay special attention to the setting of S1, the base address switch, to avoid
address contention when you first use your board in your system.
82C54
82C55
C6
C6
74HCT367
O
O
O
P
P
E
C
C
C
EC2
OSC
OT1
EC1
OSC
OT0
EC0
OSC
Accessing the Analog World
,,
,
P6
C4
U4
S2
C1
U1
PA
PB
U5
C5
PB
G
V
PCH
PCH
G
V
PCL
G
V
PCL
C3
U3
U11
P5
P4
U10
C10
U6
Y1
S1
RN1
C8
U8
C7
U7
IRQ
R1
P3
C9
U9
RN2
C2
U2
PA
G
V
F1
C
PAL
74HCT688
74HCT245
7
7
SWITCH
74HCT243
74HCT243
+
P2
J1B
J1A
P1A
P1B
1
M
32
Real Time Devices USA
X
B
S
P
2
3
4
5
6
7
G
RN7
Fig. 1-1 — Board Layout Showing Factory-Configured Settings
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