IDT CPS Registers
Revision 1.5
Integrated Device Technology, Inc.
CPS-16/12/8 User Manual
10 - 44
July 10, 2012
10.11.4 Port 0 Switch Buffer Status (PORT_0_SWITCH_BUF_STATUS)
10.11.5 Port 0 Port Acknowledgement Counter (PORT_0_ACK_CNTR)
Table 10.62 PORT_0_SWITCH_BUF_STATUS 0xF4000C
Bit
Field Name
Type
Reset
Value
Comment
0
PRI_0_INPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
1
PRI_1_INPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
2
PRI_2_INPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
3
PRI_3_INPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
4
PRI_0_OUTPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
5
PRI_1_OUTPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
6
PRI_2_OUTPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
7
PRI_3_OUTPUT_BUF_STATUS
RO
0b0
0 = Not Empty
1 = Empty
8
PRI_0_OUTPUT_BUF_ALMOST_FULL_STATUS
RO
0b0
0 = Not Almost Full
1 = Almost Full
9
PRI_1_OUTPUT_BUF_ALMOST_FULL_STATUS
RO
0b0
0 = Not Almost Full
1 = Almost Full
10
PRI_2_OUTPUT_BUF_ALMOST_FULL_STATUS
RO
0b0
0 = Not Almost Full
1 = Almost Full
11
PRI_3_OUTPUT_BUF_ALMOST_FULL_STATUS
RO
0b0
0 = Not Almost Full
1 = Almost Full
31 - 12
Reserved
Table 10.63 PORT_0_ACK_CNTR 0xF40010
Bit
Field Name
Type
Reset Value
Comment
31 - 0
ACK_COUNT
RR
0x00000000
A saturating count of packet acknowledge-
ments issued by port 0