AL103 Revision 1.0
9/00
Reference Only / Allayer Communications
39
System Configuration Register I (Register 00)
System Configuration Registers 01 ~ 03 are global system configuration registers. Any options
selected in these registers affects the overall system operation.
Table 20: System Configuration Register I (Register 00)
BIT
NAME
DESCRIPTION
15
OutQMgmt
Output Queue Management Method.
0: Output queue is not limited until the frame buffer is full.
1: Output queue is limited to the output queue watermark specified in
register 00 bits [7:6].
14
FloodCtl
Flood Control. Control for the forwarding of unicast frames with
unknown destination received from the non-uplink ports.
0: Enable. Frames received with unknown unicast destination MAC
address will be forwarded to all the ports (excluding the receiving port)
within the VLANs specified at the receiving port.
1: Disable. Frames received with unknown unicast destination MAC
address will be forwarded to the uplink port specified for the receiving
port.
13
SecMgmt
Security Enforcement.
0: Auto security off. The security violation at a secured port will not
change its port state.
1: Auto security on. The security violation at a secured port will cause
the port into DISABLE state.
12
AgeEn
Switch Table Entry Aging Control.
0: Disable. The table aging process will be stopped.
1: Enable. The table aging process will be running to age every
dynamically learned table entry.
11~10
Reserved
Reserved (Must set to 0000).
9
PInMon
Port Incoming Frame Flow Monitoring Enable Control.
0: Disable
1: Enable
8
POutMon
Port Outgoing Frame Flow Monitoring Enable Control.
0: Disable
1: Enable
7~6
OutQWM
Output Queue Watermark. Watermark selection for output queues
and multicast queue full conditions.
16 Mbit/s SGRAM
00:128; 01:512; 10:768; 11:Test Mode.
8 Mbit/s SGRAM
00:64; 01:256; 10:384; 11:Test Mode.
5~4
Reserved
Set value to 00.
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