BT8370KPF

Manufacturer Part NumberBT8370KPF
DescriptionFully integrated T1/E1 framer and line interface
ManufacturerConexant Systems, Inc.
BT8370KPF datasheet
 


Specifications of BT8370KPF

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Bt8370/8375/8376
Fully Integrated T1/E1 Framer and Line Interface
Figure 1-2. Bt8370/8375/8376 Logic Diagram
28
Hardware Reset
I
29
Processor Clock
I
78
Motorola Bus mode
I
1
Sync Bus mode
I
26
Clock mode
I
(1)
Address Bus
I
(1)
Data Bus or Address/Data
I/O
5
Address Strobe
I
2
Chip Select
I
4
Read or Data Strobe
I
6
Write Strobe or Read/Write
I
79
Transmit Output Enable
I
73
Receive Tip
I
74
Receive Ring
I
61
Voltage Reference Set
I/O
65
Tx Clock In
I
51
All Ones Clock
I
41
Tx Positive In/TDL Data In
I
PIO
38
Tx Negative In/TDL Clock
76
Rx Clock In
I
70
Rx Positive In
I
71
Rx Negative In
I
37
TSB Clock
I
34
TSB Data
I
33
TSB Signaling
I
45
RSB Clock
I
67
CLAD In
I
68
Reference Clock
I
53
Test Clock
I
52
Test Mode Select
I
55
Test Data In
I
PIO = Programmable I/O; controls located at PIO (address 018)
NOTE(S):
(1)
Refer to Figure 1-1 Bt8370/8375/8376 Pinout Diagram .
(2)
Pins 27 and 39 shown twice for clarity; pin function controlled by PIO (addr 018).
(3)
Pin 66 is not connected for the Bt8376 device.
N8370DSE
RST*
MCLK
MOTO*
SYNCMD
ONESEC
Microprocessor
CLKMD
Interface
INTR*
A[8:0]
(MPU)
DTACK*
AD[7:0]
AS* (ALE)
CS*
DS* (RD*)
R/W*(WR*)
XOE
RTIP

Receive, Transmit

XTIP
Line Interface
RRING
(RLIU, TLIU)
XRING
VSET
TCKI
Digital
TCKO
ACKI
Transmitter
TPOSO/TNRZO
(XMTR)
TPOSI/TDLI
TNEGI/TDLCKO
TNEGO/MSYNCO
RCKO
RCKI
Digital
Receiver
RPOSO/RDLO
RPOSI
(RCVR)
RNEGI
RNEGO/RDLCKO
TSBCKI
TINDO
Transmit
TFSYNC
TPCMI
System Bus
(TSB)
TSIGI
TMSYNC
RPCMO
RSBCKI
RSIGO
Receive
RINDO
System Bus
(RSB)
RFSYNC
RMSYNC
SIGFRZ
CLADI
Clock Rate
CLADO
Adapter (CLAD)
REFCKI
TCK
TDO
Boundary Scan
TMS
(JTAG)
TDI
I = Input, O = Output,
Conexant
1.0 Pin Descriptions
1.1 Pin Assignments
32
PIO
1-second Timer
3
O
Interrupt Request
77
O
Data Transfer Acknowledge
58
O
Transmit Tip
57
O
Transmit Ring
64
O
Tx Clock Output
27
(2)
O
Tx Positive Out/Tx NRZ Data
(2)
Tx Negative Out/
39
O
Tx Multiframe Sync
48
O
Rx Clock Out
47
O
Rx Positive Out/RDL Data Out
46
O
Rx Negative Out/RDL Clock Out
(2)
27
O
TSB Time Slot Indicator
35
PIO
TSB Frame Sync
36
PIO
TSB Multiframe Sync
42
O
RSB Data Out
40
O
RSB Signaling Out
(2)
39
O
RSB Time Slot Indicator
43
PIO
RSB Frame Sync
44
PIO
RSB Multiframe Sync
80
O
Signaling Freeze
(3)
66
O
CLAD Out (NC)
54
O
Test Data Out
1-3