CMX218S1 MX-COM, Inc., CMX218S1 Datasheet - Page 7

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

ISDN Data and Telephony Protocol Engine (no X.25)
3.
Note: This product is to be used as part of a chip-set. Please refer to the Applications Section
(See Section 5) for details of the recommended chip-set.
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.
74
75
76
77
78
79
80
External Components
V
DD
ISDNINT
PSBINT
ISDNRST
Name
RXD1
DTR1
RXD1
RTS1
TXD1
DV
DV
DCD1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
CTS1
XTAL
LED1
XTAL
SDA
RST
SCL
DD1
SS1
RI1
ST
Signal
output
Type
input
input
input
input
input
input
Figure 2: CMX218 Pin Out
CMX218S1
HDLC Chip Interrupt
RS232 Port 1 Received Data - used for autobauding
RS232 Port 1 Ready To Send (inactive = high)
ISDN S-interface Chip Interrupt
RS232 Port 1 Data Terminal Ready (inactive = high)
RS232 Port 1 Received Data (inactive = high)
RS232 Port 1 Transmitted Data (high when inactive)
7
V
DD
V
DD
Description
2000 Chiron Technology Limited
(V
ILINE1
CLIP1
RING1
DV
ILFI
N/C
API-TXD
API-RXD
N/C
N/C
PSBRES
(V
DV
ASTB
A/D0
A/D1
A/D2
RING1
N/C
V
SS
SS
SS
CMX218 Advance Information
DD0
SS0
)
)
V
DD
Doc. # 20480215.001
2000 MX-COM, Inc.