AccessRunner
Controller-less ADSL Modem Device Set for PCI Applications
Table 5. 20431 Pin Signals by Group
Pin Name
I/O
Description
Pin Number(s)
ADSL Digital Serial Data and Control Interface Signals
CLKIN
I
Clock input (35.328MHz)
Power On Reset
11
13
15
16
17
18
19
22
23
24
POR
I
CTRL_STRB
CTRL_IN
CTRL_OUT
WAKEUP
STROBE
TX0
I
Strobe for the control interface
Digital input of the control interface
Digital output of the control interface
Digital output for tone detection mode
Strobe for the data interface
Digital transmit input
I
O
O
O
I
RX1
O
O
Digital receive output
RX0
Digital receive output
ADSL HYBRID CIRCUIT AND LINE DRIVER INTERFACE
INP_HYBR_RX
INM_HYBR_RX
INP_RX
I
Positive input of hybrid receiver circuit
Negative input of hybrid receiver circuit
Positive input of receive path
1
2
3
4
7
8
I
I
INM_RX
OUTP_TX
OUTM_TX
Overhead Signals
VREFP
I
Negative input of receive path
O
O
Positive output of transmit path
Negative output of transmit path
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Analog reference voltage (2.5V)
Analog reference voltage (1.5V)
Analog reference voltage (0.5V)
Analog current reference
Analog supply
29
VC
30
VREFM
31
RBIAS
32
AVDD
5, 9
6, 10
14, 25, 27
21
AVSS
Analog ground
DVSS
Digital ground
DVDD
Digital supply
14
Conexant
Proprietary Information
Doc. No. 100394B
October 19, 1999
CONEXANT [ CONEXANT SYSTEMS, INC ]
