2.20.3
Par al lel I/O VCC En able
The I/O con nec tors can pro vide +5 volts to an I/O rack or for mis cel la ne ous pur poses by jump er ing
J1. When J1 is ju5 volts is pro vided at pin 49 of both J4 and J5. It the user's re spon si bil ity to
limit cur rent to a safe value (less than 1A) to avoid dam ag ing the CPU board.
2.20.4
WS16C48 Reg is ter Defi ni tions
The LBC- Plus uses the Win Sys tems’ ex clu sive ASIC de vice, the WS16C48. This de vice pro vides
48 lines of digi tal I/O. There are 17 unique reg is ters within the WS16C48. The fol low ing ta
ble sum ma
-
rizes the reg is ters and the text that fol lows pro vides de tails on each of the in ter nal reg is ters.
Page 2 - 22
OPERATIONS MANUAL LBC-Plus
991206
WinSystems - "The Embedded Systems Authority"
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3 o o 4
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35 o o 36
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45 o o 46
47 o o 48
49 o o 50
1 o o 2
3 o o 4
5 o o 6
7 o o 8
9 o o 10
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13 o o 14
15 o o 16
17 o o 18
19 o o 20
21 o o 22
23 o o 24
25 o o 26
27 o o 28
29 o o 30
31 o o 32
33 o o 34
35 o o 36
37 o o 38
39 o o 40
41 o o 42
43 o o 44
45 o o 46
47 o o 48
49 o o 50
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Port 2 Bit 7
Port 2 Bit 6
Port 2 Bit 5
Port 2 Bit 4
Port 2 Bit 3
Port 2 Bit 2
Port 2 Bit 1
Port 2 Bit 0
Port 1 Bit 7
Port 1 Bit 6
Port 1 Bit 5
Port 1 Bit 4
Port 1 Bit 3
Port 1 Bit 2
Port 1 Bit 1
Port 1 Bit 0
Port 0 Bit 7
Port 0 Bit 6
Port 0 Bit 5
Port 0 Bit 4
Port 0 Bit 3
Port 0 Bit 2
Port 0 Bit 1
Port 0 Bit 0
+5V
Port 5 Bit 7
Port 5 Bit 6
Port 5 Bit 5
Port 5 Bit 4
Port 5 Bit 3
Port 5 Bit 2
Port 5 Bit 1
Port 5 Bit 0
Port 4 Bit 7
Port 4 Bit 6
Port 4 Bit 5
Port 4 Bit 4
Port 4 Bit 3
Port 4 Bit 2
Port 4 Bit 1
Port 4 Bit 0
Port 3 Bit 7
Port 3 Bit 6
Port 3 Bit 5
Port 3 Bit 4
Port 3 Bit 3
Port 3 Bit 2
Port 3 Bit 1
Port 3 Bit 0
+5V
J4
J5