CMX635 Ver la hoja de datos (PDF) - MX-COM Inc
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CMX635 Datasheet PDF : 88 Pages
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ISDN subscriber Processor
2 Signal List
Page 7 of 88
CMX635 Advance Information
2.1 Pin numbers
The following table lists the complete pin description of the CMX635 48-pin TFQP (L4) package.
Pin #
30
31
27
28
42
41
43
44
7
6
5
4
3
2
1
48
14
9
15
12
11
13
8
16
46
45
47
18
23
24
25
20
21
22
38
36
35
37
34
33
17
29
39
Name
STTXp
STTXn
STRXp
STRXn
DCL
FSC
IOMTx
IOMRx
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
ASel
Dtack
ALE
nWR
nRD
nCS
nIRQ
RESET
X1
X2
CLKOUT
VBIAS
RX1O
RX1P
RX1N
RX2O
RX2P
RX2N
TX1OP
TX1O
TX1ON
TX1N
TX2O
TX2ON
SPM
STISet
VDDa
Type
Ana
Ana
Ana
Ana
It/Oc
It/Oc
O/D, It
It, O/D
Ic/Oc
Ic/Oc
Ic/Oc
Ic/Oc
Ic/Oc
Ic/Oc
Ic/Oc
Ic/Oc
Ic
O/D
Ic
Ic
Ic
Ic
O/D
Ic
Ana
Ana
Oc
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
Ana
S
Function
ST interface transmit output - positive
ST interface transmit output - negative
ST interface receive input - positive
ST interface receive input - negative
IOM-2 interface Data Clock
IOM-2 interface Frame Sync
IOM transmit output - DD when upstream device –Note 1
IOM receive input - DU when upstream device – Note 1
Processor Address/Data Bus bit 0 (lsb)
Processor Address/Data Bus bit 1
Processor Address/Data Bus bit 2
Processor Address/Data Bus bit 3
Processor Address/Data Bus bit 4
Processor Address/Data Bus bit 5
Processor Address/Data Bus bit 6
Processor Address/Data Bus bit 7 (msb)
Address Select
Data Acknowledge
Address Latch Enable (AS in Motorola style applications)
Write Strobe (RD/nWR or E in Motorola style applications)
Read Strobe (DS in Motorola style applications)
Chip Select
Interrupt request
Chip Reset
Crystal (or oscillator) input
Crystal input 2
Clock Out - Buffered master clock
Internal Bias.
Analog input amplifier #1 output
Analog input amplifier #1 positive input
Analog input amplifier #1 negative input
Analog input amplifier #2 output
Analog input amplifier #2 positive input
Analog input amplifier #2 negative input
Output #1 raw output
Output Amplifier #1 positive output - earpiece/POTS
Output Amplifier #1 negative output - earpiece/POTS
Output Amplifier #1 negative input
Output Amplifier #2 positive output - Loudspeaker/Ring
Output Amplifier #2 negative output - Loudspeaker/Ring
Subscriber Pulse Metering Output
ST Tx Current Limit Set
Positive Analog Supply, 2.7 - 5 V
2001 MX-COM, Inc.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480225.002
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA All trademarks and service marks are held by their respective companies.
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