AccessRunner ADSL-USB Modem Device Set Data Sheet
Table 3-7. CX11627 ADDP Hardware Signal Definitions (Continued)
Signal Name
Pin
I/O
I/O Type
Signal Name/Description
P5200 UIC CONTROL
Reset. Active low control input. When asserted, the ADDP is held in a
reset state. Connect to UIC RST# (GPIO09).
RSTB
85
83
82
79
I
I
Interrupt Request 1. Active high interrupt asserted to request service
by the UIC. Connect to UIC IRQ0 (GPIO10).
IRQ1
O
O
I
Ot
Ot
I
Interrupt Request 2. Active high interrupt asserted to request service
by the UIC. Connect to UIC IRQ1 (GPIO11).
IRQ2
Power Down. Active high control input When asserted, the ADDP is
PWR_DN
held in a low power mode. Connect to UIC PD (GPIO12).
Scan Mode. Connect to UIC SCANMODE (GPIO26).
SSCANMODE
TLXCK_EN
55
22
I
I
I
I
LSX Transmit Data Clock Generation Enable. Connect to +3.3V.
P5200 UIC SERIAL INTERFACE
TC0 Block Receive Start of Cell. Connect to UIC RXSOC0.
RXSOC0
45
41
39
11
15
12
21
O
O
O
I
O
O
O
I
Receive Data (AS0). Connect to UIC RDATAS0.
R_DAT_AS0
R_NCO_AS0
T_CLK_AS1
T_CLK_LS0
T_DAT_LS0
TXSOC0
Receive NCO (AS0). Connect to UIC RCLKAS0.
Transmit Data Clock (AS1). Connect to ADDP NCO_AS0.
Transmit Data Clock (LS0). Connect to UIC TCLKLS0.
Transmit Data (LS0). Connect to UIC TDATLS0.
TC0 Block Transmit Start of Cell. Connect to UIC TXSOC0.
I/O
I/O
I
I
I
I
MONITOR INTERFACE
Monitor Output. 1-bit serial D/A output used for constellation
monitoring. Used for test only; leave open during normal operation.
MON_OUT
MON_CLK
MON_DONE
77
78
67
O
O
O
O
O
O
Monitor Clock. Serial monitor 138 kHz clock output. Used for test
only; leave open during normal operation.
Monitor Done. New symbol constellation qualifier. Used for test only;
leave open during normal operation.
POWER AND GROUND
Core Circuits Supply Voltage. Connect to +2.5V supply.
Input/Output Circuits Supply Voltage. Connect to +3.3V supply.
Core Circuits Ground. Connect to digital ground.
VDDcore
VDDO
VSS
25, 26, 59, 60, 61,
70, 71, 93, 108,
109, 134, 140,
154, 155
P
P
G
PWR
PWR
GND
10, 27, 36, 54, 69,
76, 89, 110, 122,
132, 156, 168,
176
19, 20, 53, 62, 63,
72, 73, 74, 92,
105, 106, 131,
139, 151, 152,
175
Input/Output Circuits Ground. Connect to digital ground.
VSSO
VGG
1, 9, 18, 28, 35,
52, 64, 75, 88,
107, 121, 133,
153, 167
G
R
GND
R
Input Reference Voltage. Reference voltage for +5V tolerant input
pins. A connection to +5V allows +5V or +3.3V input levels. A
connection to +3.3V allows +3.3V input levels only.
103
3-14
Conexant
100427B
CONEXANT [ CONEXANT SYSTEMS, INC ]
