CMX218S1 데이터 시트보기 (PDF) - CML Microsystems Plc
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CMX218S1 Datasheet PDF : 34 Pages
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ISDN Data and Telephony Protocol Engine (no X.25)
CMX218
S1 Package
80QFP
Signal
Description
Pin No.
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Name
A14
A13
A12
A11
A10
A9
A8
A/D7
A/D6
A/D5
A/D4
A/D3
A/D2
A/D1
A/D0
ASTB
DVSS0
~
PSBRES
N/C
N/C
API-RXD
API-TXD
N/C
N/C
ILFI
DVDD0
RINGP1
RINGN1
Type
O/P
O/P
O/P
O/P
O/P
O/P
O/P
BI
BI
BI
BI
BI
BI
BI
BI
O/P
Power
I/P
O/P
O/P
O/P
I/P
O/P
O/P
O/P
O/P
Power
O/P
O/P
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Address/Data Bus Strobe (data bus selected if low)
The digital negative supply rail (ground)
For manufacturer's use only. Connect to DVSS directly
HDLC Chip Reset
Do not make any connection to this pin
Do not make any connection to this pin
API/RS232 Port 2 Rx Data (inactive = high)
API/RS232 Port 2 Tx Data (high when inactive)
Do not make any connection to this pin
Do not make any connection to this pin
ISDN Line Failure Indicator
The digital positive supply rail. Levels and voltages are
dependent upon this supply. This pin should be
decoupled to DVSS by a capacitor
POTS Port Ringing Generator (low when not ringing)
POTS Port Ringing Generator (high when not ringing)
© 1999 Consumer Microcircuits Limited
6
© 1999 Chiron Technology Limited
D/218/1
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