CMX208 Ver la hoja de datos (PDF) - MX-COM Inc
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Fabricante
CMX208 Datasheet PDF : 22 Pages
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ISDN Dual Telephony Protocol Engine
4
2. Signal List
CMX208 Advance Information
S1 Package
Pin No.
1
2
3
4
5
6
7
8
9
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
Signal
Name
Type
SCL
output
SDA
bi-directional
ISDNRST
output
N/C
output
N/C
output
N/C
output
RST
input
DVDD1
power
XTAL
XTAL
DVSS1
LED1
LED2
N/C
LED4
N/C
N/C
N/C
LED8
ST
LED9
WR
RD
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A/D7
A/D6
A/D5
output
input
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
bi-directional
bi-directional
bi-directional
Description
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
DVSS by a capacitor
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
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
All trademarks and service marks are held by their respective companies
2000 MX-COM, Inc.
Doc. # 20480214.001
2000 Chiron Technology Limited
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