19-4750; Rev 1; 07/11 92 of 194 B. Field Name Addr (A:) Bit [x:y] Type Description PMS [20:10] rwd-_-_ Payload S" />
參數(shù)資料
型號(hào): DS34S132GN+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 187/194頁(yè)
文件大?。?/td> 0K
描述: IC TDM OVER PACKET 676-BGA
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 40
功能: TDM-over-Packet(TDMoP)
接口: TDMoP
電路數(shù): 1
電源電壓: 1.8V, 3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 676-BGA
供應(yīng)商設(shè)備封裝: 676-PBGA(27x27)
包裝: 管件
其它名稱: 90-34S13+2N0
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DS34S132 DATA SHEET
19-4750; Rev 1; 07/11
92 of 194
B. Field
Name
Addr (A:)
Bit [x:y] Type
Description
PMS
[20:10] rwd-_-_
Payload Size. The Range of valid values is 1 – 2047
CES: # frames of assigned TDM Port data associated with each RXP/TXP packet
(for CES with CAS, the PMS value does not include the CAS Signaling bytes)
SAT: # bytes of assigned TDM Port data associated with each RXP/TXP packet.
HDLC: Max # bytes in received HDLC packets (TXP direction only; not incl. FCS).
Note: For SAT/CES packets that include payload data, PMS specifies # bytes or
frames of TDM Port Data are carried in the packet payload. Packets for SAT/CES
Clock Only Bundles do not include payload data, so PMS specifies # of assigned
bytes/frames that exist on the TDM Port Line (but are not carried in the packet) for
each RXP/TXP packet. The PMS setting has the same meaning for both, but the
payload is deleted (does not exist) in the RXP/TXP packets. For HDLC, if a
received packet size exceeds PMS, the packet is discarded.
SCSCFP
D
[9] rwd-_-_
SAT/CES Sanity Check Fail Packet Discard.
0 = Disable RXP Sanity Check
1 = Discard RXP packet if T1/E1 payload in RXP packet does not equal PMS.
Note: For SAT/CES Bundle packets, if B.BCDR1.LBCAI = 1 and L-bit = 1 (“Invalid
Payload” indication), the Sanity Check is auto-disabled for that packet. For HDLC
and Clock Only Bundles the only valid setting is SCSCFPD = 0.
SCSNRE
[8] rwd-_-_
SAT/CES Sequence Number/HDLC Transmission Reordering Enable.
SAT/CES Bundles
0 = Disable RXP Sequence Number reordering
1 = Enable RXP Sequence Number reordering
HDLC Bundles
0 = use HDLC MSB first transmission (transmit and receive directions)
1 = use HDLC LSB first transmission (transmit and receive directions)
SCRXBC
SS
[7] rwd-_-_
SAT/CES RXP Bundle CAS Source Select / HDLC FCS Processing Disable.
SAT/CES Bundles
0 = When Jitter Buffer empties send last stored RXP CAS codes to TSIG/TDAT
1 = When Jitter Buffer empties send Xmt SW CAS codes (RXSCn) to
TSIG/TDAT
HDLC Bundles
0 = FCS processing is enabled (RXP & TXP directions).
1 = FCS processing is disabled (RXP & TXP directions).
SCTXBC
SS
[6] rwd-_-_
SAT/CES TXP Bundle CAS Source Select / HDLC FCS 32 Bit Width Select.
SAT/CES Bundles
0 = Use CAS data received at TDM Port for TXP Bundle
1 = Use CAS data from TXP SW CAS codes (TXSCn) in TXP packets
HDLC Bundles
0 = Use 16-bit FCS (RXP & TXP directions)
1 = Use 32-bit FCS (RXP & TXP directions)
RSNS
[5] rwd-_-_
Reorder Sequence Number Select.
0 = Use the Control Word Sequence Number for reordering RXP packets
1 = Use the RTP Sequence Number for reordering RXP packets
SCTXCE
[4] rwd-_-_
SAT/CES TXP Conditioning Enable / HDLC Packet Sequence # Select 1.
SAT/CES Bundles
When this bit is set the selected condition data (See SCTXCOS bits) will be sent
in the packet to the PSN. When reset, normal operation is active.
HDLC Bundles - see SCTXDFSE bit description.
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