cx28394 Conexant Systems, Inc., cx28394 Datasheet - Page 48

• Manufacturer Part Number: cx28394
• Description: Quad/x16/octal-t1/e1/j1 Framers
• Manufacturer: Conexant Systems, Inc.

1.0 Product Description
1.2 Pin Assignments
Figure 1-12. CX28395 Logic Diagram (Multiplexed System Bus Mode)
1-30
Read/Write or Write Strobe
1544 KHz All Ones Clock
2048 KHz All Ones Clock
Bused TSB PCM Data In
Synchronous Bus Mode
Data or Read Strobe
Bused RSB Clock In
Data or Multiplexed
Bused TSB Clock In
Motorola Bus Mode
Address/Data Bus
Transmit Clock In
TSB Signalling In
Test Mode Select
Receive Clock In
Hardware Reset
Processor Clock
Receive NRZ In
Address Strobe
System Clock
Test Data In 1
Test Data In 2
Chip Select 1
Chip Select 2
Test Reset In
Address Bus
Test Clock In
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
A[11:0]
TCK
TMS
TDI1
TDI2
TRST*
RST*
SYSCKI
MCLK
SYNCMD
MOTO*
AS* (ALE*)
CS1*
CS2*
TCKI[16:1]
T1ACKI
E1ACKI
RCKI[16:1]
RNRZ[16:1]
TSBCKI[A:D]
TPCMI[A:D]
TSIGI[16:1]
RSBCKI[A:D]
DS* (RD*)
R/W* (W*)
AD[7:0]
Transmit System Bus
Receive System Bus
I = Input, O = Output
Microprocessor
Boundary Scan
Interface and
Transmitter
Receiver
Control
(XMTR)
(RCVR)
(JTAG)
Conexant
(MPU)
(TSB)
(RSB)
RMSYNC[16:1]
TMSYNC[16:1]
RFSYNC[A:D]
TFSYNC[A:D]
TNRZO[16:1]
RPCMO[A:D]
RSIGO[16:1]
RINDO[A:D]
TINDO[A:D]
TCKO[16:1]
ONESEC1
ONESEC2
DTACK*
INTR1*
INTR2*
TDO1
TDO2
PIO
PIO
PIO
PIO
PIO
PIO
O
O
O
O
O
O
O
O
O
O
O
Quad/x16/Octal—T1/E1/J1 Framers
Data Transfer Acknowledge
Interrupt Request 1
Interrupt Request 2
One-Second Timer 1
One-Second Timer 2
Transmit Clock Out
Transmit Positive / Transmit NRZ Out
Bused Timeslot Indicator
Bused TSB Frame Sync
TSB Multiframe Sync
Bused RSB PCM Data Out
Bused Timeslot Indicator
Bused RSB Frame Sync
RSB Multiframe Sync
RSB Signalling
Test Data Out 1
Test Data Out 2
CX28394/28395/28398
100054E