CMX218S1 MX-COM, Inc., CMX218S1 Datasheet - Page 6

• Manufacturer Part Number: CMX218S1
• Description: ISDN data and telephony protocol engine
• Manufacturer: MX-COM, Inc.

ISDN Data and Telephony Protocol Engine (no X.25)
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
All trademarks and service marks are held by their respective companies
S1 Package
Pin No.
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
CMD-DATA
SER-CLK
PSBRES
API-RXD
API-TXD
AV
AV
AV
API-INT
REPLY
DV
RING1
ILINE1
DV
RING
CLIP1
Name
ASTB
AV
AV
A/D4
A/D3
A/D2
A/D1
A/D0
IRQ
CS
NMI
N/C
N/C
N/C
N/C
ILFI
N/C
REF1
REF2
REF3
~
DD0
SS0
DD
SS
1
1
Signal
bi-directional
bi-directional
bi-directional
bi-directional
bi-directional
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
power
power
power
power
power
power
power
Type
input
input
input
input
input
input
input
input
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
The digital negative supply rail (ground)
For manufacturer's use only. Connect to DV
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 DV
POTS Port Ringing Generator (low when not ringing)
POTS Port Ringing Generator (high when not ringing)
POTS Port Line Voltage Adjustment (low when sending FSK
to a Caller Display unit. If low, it makes the SLIC present a
high impedance to the POTS line)
POTS Port Hook Switch Status Detector
(on-hook = low)
For manufacturers’ use only. Connect to DV
CMX605 C-BUS Interface - Reply Data
CMX605 C-BUS Interface - Serial Clock
The positive analog supply rail. Levels and voltages are
dependent upon this supply. This pin should be decoupled
to AV
A/D Reference Voltage. Connect to AV
The negative analog supply rail (ground)
CMX605 C-BUS Interface (chip select for POTS Port)
Do not make any connection to this pin
D/A Reference Voltage. Connect to AV
D/A Reference Voltage. Connect to AV
For manufacturer's use only. Connect to DV
CMX605 C-BUS Interface - Interrupt (inactive = high)
Address/Data Bus Strobe (data bus selected if low)
CMX605 C-BUS Interface - Command Data
API Interrupt (inactive = high)
SS
SS
6
by a capacitor
by a capacitor
Description
2000 Chiron Technology Limited
CMX218 Advance Information
DD
DD
SS
directly
directly
directly
SS
SS
Doc. # 20480215.001
SS
2000 MX-COM, Inc.
directly
directly
directly