CMX208S1 MX-COM, Inc., CMX208S1 Datasheet - Page 4

• Manufacturer Part Number: CMX208S1
• Description: ISDN dual telephony protocol engine
• Manufacturer: MX-COM, Inc.

ISDN Dual Telephony Protocol Engine
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
XTAL
XTAL
LED1
LED2
LED4
LED8
LED9
A/D7
A/D6
A/D5
RST
SDA
SCL
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
N/C
N/C
N/C
N/C
N/C
N/C
N/C
WR
RD
ST
A9
A8
DD1
SS1
Signal
bi-directional
bi-directional
bi-directional
bi-directional
output
output
output
output
output
power
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
Type
input
input
EEPROM - Serial Clock
EEPROM - Serial Data
ISDN S-interface Chip Reset
Do not make any connection to this pin
Do not make any connection to this pin
Do not make any connection to this pin
CMX208 Chip Reset (active low)
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 1 Off-Hook Indicator (HK1)
POTS Port 2 Off-Hook Indicator (HK2)
Do not make any connection to this pin
POTS Port 2 Call Connected Indicator (CN2)
Do not make any connection to this pin
Do not make any connection to this pin
Do not make any connection to this pin
ISDN Line Activated Indicator (AR)
Watchdog Timer Stimulus
POTS Port 1 Call Connected Indicator (CN1)
Memory Write Access Strobe
Memory Read Access Strobe
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
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
Memory and Peripheral Address and Data Bus
SS
by a capacitor
4
Description
2000 Chiron Technology Limited
CMX208 Advance Information
Doc. # 20480214.001
2000 MX-COM, Inc.