CMX218 查看數據表（PDF） - MX-COM Inc
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CMX218 Datasheet PDF : 30 Pages
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ISDN Data and Telephony Protocol Engine (no X.25)
5
2. Signal List
CMX218 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
RI1
output
DCD1
output
CTS1
output
RST
input
DVDD1
Power
XTAL
XTAL
DVSS1
LED1
LED2
LED3
LED4
LED5
LED6
LED7
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
RS232 Port1 Ring Indicator (high when inactive)
RS232 Port1 Data Carrier Detect (high when inactive)
RS232 Port1 Clear To Send (high when inactive)
CMX218 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 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 Receive Data Indicator (RXD)
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 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. # 20480215.001
2000 Chiron Technology Limited
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