cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 45
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cx28394
Manufacturer Part Number
cx28394
Description
Quad/x16/octal-t1/e1/j1 Framers
Manufacturer
Conexant Systems, Inc.
Datasheet
1.CX28394.pdf
(305 pages)
- Current page: 45 of 305
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CX28394/28395/28398
Quad/x16/Octal—T1/E1/J1 Framers
Figure 1-9. CX28398 Logic Diagram (Non-Multiplexed System Bus Mode)
100054E
Read/Write or Write Strobe
Transmit Datalink Data In
1544 KHz All Ones Clock
2048 KHz All Ones Clock
Synchronous Bus mode
Data or Read Strobe
Receive Negative In
Motorola Bus mode
Data or Multiplexed
Receive Positive In
Address/Data Bus
TSB PCM Data In
TSB Signalling In/
Transmit Clock In
Test mode Select
Receive Clock In
Hardware Reset
Processor Clock
Address Strobe
System Clock
Serial Data In
RSB Clock In
TSB Clock In
Test Reset In
Test Clock In
Address Bus
Test Data In
Chip Select
PIO = Programmable I/O; controls located at PIO (address 018)
I/O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
RST*
SYSCKI
MCLK
SYNCMD
MOTO*
AS*(ALE*)
CS*
DS*(RD*)
R/W*(W*)
AD[7:0]
A[11:0]
SERDI
TCKI[8:1]
T1ACKI
E1ACKI
RCKI[8:1]
RPOSI[8:1]
RNEGI[8:1]
TSBCKI[8:1]
TPCMI[8:1]
TSIGI[8:1]/TDLI[8:1]
RSBCKI[8:1]
TCK
TMS
TDI
TRST*
Microprocessor Interface
Transmit System Bus
Receive System Bus
I= Input, O= Output
Boundary Scan
Port Interface
and Control
Transmitter
LIU Serial
Receiver
RFSYNC[8:1]/RMSYNC[8:1]
(SERIO)
TFSYNC[8:1]/TMSYNC[8:1]
(XMTR)
(RCVR)
(JTAG)
TNEGO[8:1]/MSYNCO[8:1]
(MPU)
(RSB)
(TSB)
RINDO[8:1]/RDLCKO[8:1]
TINDO[8:1]/TDLCKO[8:1]
TPOSO[8:1]/TNRZO[8:1]
Conexant
RSIGO[8:1]/RDLO[8:1]
SERCS*[2:1]
RPCMO[8:1]
SIGFRZ[8:1]
TCKO[8:1]
SERCKO
ONESEC
DTACK*
SERDO
INTR*
TDO
PIO
PIO
PIO
PIO
O
O
O
O
O
O
O
O
O
O
O
O
O
Data Transfer Acknowledge
Interrupt Request
One-Second Timer
Serial Clock Out
Serial Data Out
Serial Port Chip Select
Transmit Clock Out
Transmit Positive/Transmit NRZ Out
Transmit Negative/Transmit
Multiframe Sync Out
TSB Frame/Multiframe Sync
Time Slot Indicator/Transmit
Datalink Clock Out
RSB PCM Data Out
RSB Frame/Multiframe Sync
Time Slot Indicator/Receive
Datalink Clock Out
RSB Signalling/Receive
Datalink Data Out
Signalling Freeze
Test Data Out
1.0 Product Description
1.2 Pin Assignments
1-27
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