Specifications

Table Of Contents
2.20.4 WS16C48 Reg is ter Defi ni tions
The EBC- BX 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 i s ters.
I/O Ad dress
Off set
Page 0 Page 1 Page 2 Page 3
00H Port 0 I/O Port 0 I/O Port 0 I/O Port 0 I/O
01H Port 1 I/O Port 1 I/O Port 1 I/O Port 1 I/O
02H Port 2 I/O Port 2 I/O Port 2 I/O Port 2 I/O
03H Port 3 I/O Port 3 I/O Port 3 I/O Port 3 I/O
04H Port 4 I/O Port 4 I/O Port 4 I/O Port 4 I/O
05H Port 5 I/O Port 5 I/O Port 5 I/O Port 5 I/O
06H Int_Pend ing Int_Pend ing Int_Pend ing Int_Pend ing
07H Page/Lock Page/Lock Page/Lock Page/Lock
08H N/A Pol_0 Enab_0 Int_ID0
09H N/A Pol_1 Enab_1 Int_ID1
0AH N/A Pol_2 Enab_2 Int_ID2
030923 OPERATIONS MANUAL EBC-BX Page 2 - 19
WinSystems - "The Embedded Systems Authority"
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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
J7
J9