bt8375kpf Conexant Systems, Inc., bt8375kpf Datasheet - Page 19

• Manufacturer Part Number: bt8375kpf
• Description: Single Chip Transceivers For T1/e1 And Integrated Service Digital Network Isdn Primary Rate Interfaces Systems
• Manufacturer: Conexant Systems, Inc.

Bt8370/8375/8376
Fully Integrated T1/E1 Framer and Line Interface
Figure 1-2. Bt8370/8375/8376 Logic Diagram
N8370DSE
NOTE(S):
(1)
(2)
(3)
Refer to Figure 1-1 Bt8370/8375/8376 Pinout Diagram .
Pins 27 and 39 shown twice for clarity; pin function controlled by PIO (addr 018).
Pin 66 is not connected for the Bt8376 device.
Write Strobe or Read/Write
Data Bus or Address/Data
Tx Positive In/TDL Data In
Tx Negative In/TDL Clock
Transmit Output Enable
Voltage Reference Set
Read or Data Strobe
Motorola Bus mode
Test Mode Select
Reference Clock
Hardware Reset
Processor Clock
Sync Bus mode
Address Strobe
All Ones Clock
Rx Negative In
TSB Signaling
Rx Positive In
Receive Ring
Address Bus
Test Data In
Clock mode
Receive Tip
Chip Select
Rx Clock In
Tx Clock In
RSB Clock
TSB Clock
Test Clock
TSB Data
CLAD In
PIO = Programmable I/O; controls located at PIO (address 018)
PIO
I/O
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
I
I
I
76
70
71
28
29
78
26
79
73
74
61
65
51
41
38
37
34
33
45
67
68
53
52
55
(1)
(1)
1
5
2
4
6
RCKI
RPOSI
RNEGI
RST*
MCLK
MOTO*
SYNCMD
CLKMD
A[8:0]
AD[7:0]
AS* (ALE)
CS*
DS* (RD*)
R/W*(WR*)
XOE
RTIP
RRING
VSET
TCKI
ACKI
TPOSI/TDLI
TNEGI/TDLCKO
TSBCKI
TPCMI
TSIGI
RSBCKI
CLADI
REFCKI
TCK
TMS
TDI
I = Input, O = Output,
Receive, Transmit
Adapter (CLAD)
Microprocessor
Boundary Scan
Line Interface
System Bus
System Bus
(RLIU, TLIU)
Transmitter
Clock Rate
Receiver
(RCVR)
Transmit
(XMTR)
Receive
Conexant
Interface
Digital
Digital
(RSB)
(TSB)
(JTAG)
(MPU)
TNEGO/MSYNCO
RNEGO/RDLCKO
TPOSO/TNRZO
RPOSO/RDLO
RMSYNC
ONESEC
TMSYNC
RFSYNC
TFSYNC
RPCMO
SIGFRZ
DTACK*
CLADO
RSIGO
RINDO
XRING
TINDO
RCKO
INTR*
TCKO
XTIP
TDO
48
47
46
32
3
77
58
57
64
27
39
27
35
36
42
40
39
43
44
80
66
54
PIO
PIO
PIO
PIO
PIO
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
1-second Timer
Interrupt Request
Data Transfer Acknowledge
Transmit Tip
Transmit Ring
Tx Clock Output
Tx Positive Out/Tx NRZ Data
Tx Negative Out/
Tx Multiframe Sync
Rx Clock Out
Rx Positive Out/RDL Data Out
Rx Negative Out/RDL Clock Out
TSB Time Slot Indicator
TSB Frame Sync
TSB Multiframe Sync
RSB Data Out
RSB Signaling Out
RSB Time Slot Indicator
RSB Frame Sync
RSB Multiframe Sync
Signaling Freeze
CLAD Out (NC)
Test Data Out
1.0 Pin Descriptions
1.1 Pin Assignments
(3)
(2)
(2)
(2)
(2)
1-3