CMX218S1 MX-COM, Inc., CMX218S1 Datasheet - Page 5

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

ISDN Data and Telephony Protocol Engine (no X.25)
2.
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.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
1
2
3
4
5
6
7
8
9
Signal List
ISDNRST
DV
DV
Name
DCD1
CTS1
XTAL
LED1
LED2
LED3
LED4
LED5
LED6
LED7
LED8
LED9
XTAL
RST
A/D7
A/D6
A/D5
SDA
SCL
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
WR
RI1
RD
ST
A9
A8
DD1
SS1
Signal
bi-directional
bi-directional
bi-directional
bi-directional
output
output
output
output
output
Power
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
output
power
Type
input
input
EEPROM - Serial Data
ISDN S-interface Chip Reset
RS232 Port1 Ring Indicator (high when inactive)
RS232 Port1 Data Carrier Detect (high when inactive)
RS232 Port1 Clear To Send (high when inactive)
The digital positive supply rail. Levels and voltages are
dependent upon this supply. This pin should be decoupled
to DV
The output of the on-chip Xtal oscillator inverter
The input to the oscillator inverter from the Xtal circuit
The digital negative supply rail (ground)
POTS Port Off-Hook Indicator (HK1)
RS232 Port 1 Auto-Answer Indicator (AA)
RS232 Port 1 Data Carrier Detect Indicator (DCD)
RS232 Port 1 Ready To Send Indicator (RTS)
RS232 Port 1 Transmit Data Indicator (TXD)
RS232 Port 1 Data Terminal Ready Indicator (DTR)
ISDN Line Activated Indicator (AR)
Watchdog Timer Stimulus
POTS Port Call Connected Indicator (CN1)
Memory Write Access Strobe
Memory Read Access Strobe
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
EEPROM - Serial Clock
CMX218 Chip Reset (active low)
RS232 Port 1 Receive Data Indicator (RXD)
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 Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
Memory and Peripheral Address Bus
SS
5
by a capacitor
Description
2000 Chiron Technology Limited
CMX218 Advance Information
Doc. # 20480215.001
2000 MX-COM, Inc.