CX28398 Conexant Systems, CX28398 Datasheet - Page 61

• Manufacturer Part Number: CX28398
• Description: (CX28394 - CX28398) Quad/x16/Octal?T1/E1/J1 Framers
• Manufacturer: Conexant Systems

CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 2-2. Detailed Framer Block Diagram (Non-multiplexed System Bus Mode)
100054E
SERCS[1:0]
NOTE(S):
(1)
SYNCMD
ONESEC
SERCLK
SYSCKI
DTACK*
SERDO
MOTO*
AD[7:0]
A[11:0]
Not available on CX28395.
MCLK
INTR*
RST*
R/W*
SERI
TMS
TDO
TCK
CS*
AS*
DS*
TDI
TRST*
(1)
(1)
(1)
MSYNCO [1]
(1)
(1)
TPOSO[1]
TNEGO[1]
TNRZO[1]
RNRZI[1]
RPOSI[1]
RNEGI[1]
TCKO[1]
RCKI[1]
Encoder
Decoder
TZCS
RZCS
RDLO[1]
Conexant
Receiver Framer
PRBS/Inband LB
Error Counters
(1)
External DLINK
Alarm Monitor
DLINK2 Buffer
DLINK1 Buffer
Sa-Byte/BOP
PDV Monitor
Transmitter
Timebase
Timebase
Receive
TDLI[1]
(1)
RDLCKO[1]
TDLCKO[1]
(1)
(1)
AIS
RPHASE
TPHASE
Monitor
TSLIP
Buffer
Buffer
Buffer
RSLIP
Buffer
Clock
TSIG
TSIG
Buffer
RSIG
RSIG
Local
2.1 Functional Block Diagram
Timebase
Timebase
Transmit
Framer
RSIG
Stack
TSB
RSB
2.0 Circuit Description
TINDO[1]
TPCMI[1]
TSIGI[1]
RSIGO[1]
RPCMO[1]
SIGFRZ[1]
RINDO[1]
RFSYNC[1]
RMSYNC[1]
TSBCKI[1]
TFSYNC[1]
TMSYNC[1]
RSBCKI[1]
TCKI[1]
E1ACKI
TIACKI
FRAMER 1
FRAMER N
2-3