IDT CPS Registers
Revision 1.5
Integrated Device Technology, Inc.
CPS-16/12/8 User Manual
10 - 22
July 10, 2012
10.5.4 Port 0 Error Status Command and Status Register
(PORT_0_ERR_STAT_CSR)
10.5.5 Port 0 Control Command and Status Register (PORT_0_CTRL_CSR)
Table 10.28 PORT_0_ERR_STAT_CSR 0x000158
Bit
Field Name
Type
Reset
Value
Comment
0
PORT_UNINIT
RO
0b1
Init status.
1=Uninitialized
1
PORT_OK
RO
0b0
Port status
1=Port OK
2
PORT_ERROR
W1R
0b0
Port Error Status
3
Reserved
4
PORT_WRITE_PENDING
FR
0b0
Pending Port Write
7 - 5
Reserved
8
INPUT_ERROR
RO
0b0
Input Error - Port is stopped
9
INPUT_ERROR_ENCOUNTERED
W1R
0b0
Input Error was encountered
10
INPUT_RETRY
RO
0b0
Input Retry - Port is stopped
15 - 11
Reserved
16
OUTPUT_ERROR
RO
0b0
Output Error - Port is stopped
17
OUTPUT_ERROR_ENCOUNTERED
W1R
0b0
Output Error was encountered
18
OUTPUT_RETRY
RO
0b0
Output Retry - Port is stopped
19
OUTPUT_RETRIED
RO
0b0
Output retried
20
OUTPUT_RETRY_ENCOUNTERED
W1R
0b0
Output Retry Encountered
31 - 21
Reserved
Table 10.29 PORT_0_CTRL_CSR 0x00015C
Bit
Field Name
Type
Reset
Value
Comment
0
PORT_TYPE
FR
0b1
0 = Parallel
1 = Serial
3 - 1
Reserved
11 - 4
RETRANSMIT_SUPPRESSION_MASK
R/W
0b0
Mask for retransmission sup-
pression
16 - 12
Reserved
17
ENUMERATION_BOUNDARY
R/W
0b0
The enumeration boundary
18
Reserved