Host Interface
Port 2 (connector P3) may be used for up/down loading of user programs and data or, in
the transparent mode, to interface the terminal connected to Port 1 (connector P4) di-
rectly to a host computer. A diagram of the host interface is given in Figure 24 and the
location of jumper block BR16 is shown below in Figure 23.
Figure 23 Location of Host Interface Jumpers
Figure 24 Host Interface
BR16
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
BR35
6850
IRQP3
D0
D1
D2
D3
D4
D5
D6
D7
A1
A6
+5V
CS6800
E
R/W*
7
22
21
20
19
18
17
16
15
11
8
10
9
14
13
6
2
5
24
23
4
3
TXD
RXD
RTS*
CTS*
DCD*
TXC
RXC
BR35
TINP2
5
1
BR16
16
12
7
11
10
8
9
+12V
IRQ
D0
D1
D2
D3
D4
D5
D6
D7
RS
CS0
CS1
CS2*
E
-12V
-12V
4
13
2
3
15
14
1488
1489
1489
1488
+5V
NTXDO
HRXDI
HRXDI
6
Connector
P3
2
3
20
5
1
7
9
LK53
Connector P2
C27
C28
C29
LK54
LK55
PME68-1B Manual
Page 59 Issue 5
Содержание PME 68-1B
Страница 8: ...Figure 1 The PME 68 1B Board Photograph not available in PDF PME 68 1B Manual Page 2 Issue 5...
Страница 12: ...Figure 4 Component Layout Diagram P5 P4 P3 BAT PME 68 1B Manual Page 6 Issue 5...
Страница 56: ...Figure 14 Link Areas BAT PME68 1B Manual Page 50 Issue 5...
Страница 57: ...Blank Page PME68 1B Manual Page 51 Issue 5...
Страница 59: ...Figure 15 Location of System EPROM Area 1 2 3 4 1 2 3 4 WC1 WC2 PME68 1B Manual Page 53 Issue 5...
Страница 80: ...Figure 41 Location of BERR Jumpers 1 2 3 4 WK1 WK2 BR26 2 3 1 BAT PME68 1B Manual Page 74 Issue 5...
Страница 132: ...Blank Page PME68 1B Manual Page 126 Issue 5...