
DS34S132 DATA SHEET
19-4750; Rev 1; 07/11
164 of 194
Table 10-60. TDM Port “n” Register Settings for T1 Applications (Pn.; n = 0 to 31)
Reg-bit
Bit Name
RT SAT
CES no
CAS
CES w/
CAS
Bit Name Description
Comments
TXSCn.CR1 - CR4
31:0
CTS0-CTS23 T
0
x
TXP SW CAS (TS 0 – 23)
SW CAS transmitted in TXP TDM Bundle.
RXSCn.CR1 - CR4
31:0
CTS0-CTS23 R
0
x
Xmt (RXP) SW CAS (TS0-23) SW CAS transmitted at TDM Port.
PTCR1.
31
DR
R
x
Data path Reset
0 = Normal; 1 = Hold all data path registers in reset value
28
SFS
R
0
1
Structure Format Select
Unstructured (0) or Structured (1)
27
FFS
R
0
1
Frame Format
1 = T1
26:25
MFS
R
0
x
CAS Multi-frame Format
0 = no CAS or multi-frame; 2 = T1 SF; 3 = T1 ESF
24:23
BFD
R
[3]
# Frame(Block) per Buffer
0 = disable port rcv; 1 = 1 block; 2 = 2 blocks; 3 = 4 blocks
22:18
BPF
R
[0x17]
[0x17] Bytes per Frame(Block)
0x17 (24 bytes; 0x00 = 1 byte/frame; BPF ≤ PMS)
17
DP
R
x
Decap Priority
Low priority (0) or High priority (1)
16
DOSOT
R
0
x
Disable CAS on TDAT
Overwrite CAS on TDAT (0) or do not overwrite TDAT (1)
PTCR2.
9
PRPTLL
RT
x
Port Rcv to Xmt Line Loopbk
0 = loopback disabled (normal); 1 = loopback enabled
8
TIOE
R
x
Transmit Input/Output Enable 0 = TDAT/TSYNC/TSIG disabled (high Z); 1 = enabled
7
TCE
R
x
Transmit Clock Enable
0 = TCLKO disabled (high Z); 1 = enabled
6
TSRS
R
0
x
Transmit Framing Source
Synchronize transmit timing to RSYNC (0) or TSYNC (1)
5
TDS
R
0
x
TSYNC Direction Select
Input (0) or output (1).
4
TOES
R
x
Transmit Output Edge Select 0 = positive edge; 1 = negative edge
3
TIES
R
x
Transmit Input Edge Select
0 = positive edge; 1 = negative edge
2:0
TSS
R
x
TCLKO Source Select
0 = RCLK; 1 = aclk; 2 = grclk; 4 = EXTCLK0; 5 = EXTCLK1
PTCR3.
31:0
PRPTTSL
RT
0
x
Port Rcv to Xmt TS Loopback 0 = loopback disabled (normal); 1 = enabled (1 bit per TS)
PRCR1.
31
DR
T
x
Data path Reset
0 = Normal; 1 = Hold all data path registers in reset value
28
SFS
T
0
1
Structure Format Select
Unstructured (0) or Structured (1)
27
FFS
T
0
1
Frame Format
1 = T1
26:25
MFS
T
0
x
CAS Multi-frame Format
0 = no CAS multi-frame; 2 = T1 SF; 3 = T1 ESF
24:23
BFD
T
[3]
# Frame(Block) per Buffer
0 = disable port rcv; 1 = 1 block; 2 = 2 blocks; 3 = 4 blocks
22:18
BPF
T
[0x17]
[0x17] Bytes per Frame(Block)
0x17 (24 bytes; 0x00 = 1 byte/frame; BPF ≤ PMS)
17
EP
T
x
Encap Priority
Low priority (0) or High priority (1)
16
CS
T
0
x
CAS Source
RDAT (0) or RSIG (1)
15
CBVSE
T
0
x
C-bit Value
CAS C-bit value (T1 ESF only)
14
DBVSE
T
0
x
D-bit Value
CAS D-bit value (T1 ESF only)
13
LB
T
x
L-bit Value
L-bit Value for all TXP Bundles associated with Port “n“
12
LBSS
T
x
L-bit Source (all Pn Bundles)
TXP Bundle L-bit source: LB (0); TXP Bundle Descriptor (1)
11:1
SPL
T
[0x17]
0
SAT Packet Payload Length
SPL = B.BCDR1.PMS ≥ BPF (T1: 0x17)
PRCR2.
6
RSTS
T
0
x
Receive Framing Source
0 = RSYNC input; 1 = synchronize to Transmit Port timing
5
RDS
T
0
x
RSYNC Direction Select
Input (0) or output (1).
3
RIES
T
x
RCLK Edge Select
Positive edge (0) or negative edge (1)
0
RSS
T
x
Receive clock Source Select
RCLK (0) or TCLKO (1)
PRCR3.
T
31:0
PTPRTSL
RT
0
x
Port Xmt to Rcv TS Loopback 0 = loopback disabled (normal); 1 = enabled (1 bit per TS)
PRCR4.
16
TSGMS
T
x
TXP Timestamp Gen Mode
0=Differential (CMNCLK); 1=Absolute (RSS selects Rcv ck)
15:0
TSGMC
T
x
TXP Timestamp Gen M Coeff M = INT(637009920000 / CMNCLK)
PRCR5.
28:16
TSGN1C
T
x
TXP T-stamp Gen N1 Coeff
N1 = 79626240 + (M * CMNCLK / 8000)
12:0
TSGN0C
T
x
TXP T-stamp Gen N0 Coeff
N0 = N1 + (CMNCLK / 8000)