Acromag 900EN-S005, User Manual

Page: 34 / 64

BusWorks
®
900EN-S005 Ethernet Switch User’s Manual Ethernet I/O
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34
REG DESCRIPTION DEF
24 18H Port 1 Control 8 00H
Bit Function
7-0 Receive HIGH Priority Rate Control [7:0]:
This byte along with Port Control 10 bits [3:0] form
a 12-bit field to determine how many “32Kbps” high
priority blocks can be received (in a unit of 32K bits
or 4K bytes in a one second period). 0
40 28H Port 2 Control 8 - See Port 1 Control 8 Description. 00H
56 38H Port 3 Control 8 - See Port 1 Control 8 Description. 00H
72 48H Port 4 Control 8 - See Port 1 Control 8 Description. 00H
88 58H Port 5 Control 8 - See Port 1 Control 8 Description. 00H
25 19H Port 1 Control 9 00H
Bit Function
7-0 Receive LOW Priority rate Control [7:0]:
This byte along with Port Control 10 bits [7:4] form
a 12-bit field to determine how many “32Kbps” low
priority blocks can be received (in a unit of 32K bits
or 4K bytes in a one second period). 0
41 29H Port 2 Control 9 -See Port 1 Control 9 Description. 00H
57 39H Port 3 Control 9 - See Port 1 Control 9 Description. 00H
73 49H Port 4 Control 9 - See Port 1 Control 9 Description. 00H
89 59H Port 5 Control 9 - See Port 1 Control 9 Description. 00H
26 1AH Port 1 Control 10 00H
Bit Function
7-4 Receive LOW Priority Rate Control [11:8]: This
nibble along with Port Control 9 bits [7:0] form a 12-
bit field to determine how many “32Kbps” low
priority blocks can be received (in a unit of 32K bits
or 4K bytes in a one second period). 0000
3-0 Receive HIGH Priority Rate Control [11:8]: This
nibble along with Port Control 8 bits [7:0] form a 12-
bit field to determine how many “32Kbps” high
priority blocks can be received (in a unit of 32K bits
or 4K bytes in a one second period). 0000
42 2AH Port 2 Control 10 –Port 1 Control 10 Description. 00H
58 3AH Port 3 Control 10 -Port 1 Control 10 Description. 00H
74 4AH Port 4 Control 10 -Port 1 Control 10 Description. 00H
90 5AH Port 5 Control 10 -Port 1 Control 10 Description. 00H
Register Map