cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 39

• Manufacturer Part Number: cx20493-35/app
• Description: With Cx20493 Smartdaa?
• Manufacturer: Conexant Systems, Inc.

47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Table 3-1. CX81801 Modem 128-Pin LQFP Pin Signals for Parallel Interface (PARIF = High) (Continued)
Notes:
1.
2.
102247B
Pin
I/O Types: See Table 3-5.
Interface Legend:
DIB Digital Isolation Barrier
EB
HB
NC
VC
GND
NOXYCK
XCLK
IASLEEP (P_PF05)
RESERVED
(P_PB01)
RESERVED (GP00)
VDD_CORE
RESERVED
(P_PA04)
RESERVED
(P_PA00)
RESERVED
(P_PA05)
LPO
VDD
RESERVED
(BD2CLK)
VGG
CLKOUT
D0
D1
D2
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
Signal Label
Expansion Bus
Host Bus
No internal pin connection
Voice Codec
I
G
O
O
I/O
I/O
P
I/O
I/O
I/O
I
P
O
P
O
I/O
I/O
I/O
I/O
Itpu
GND
It/Ot2
Ot2
Itpu/Ot2
It/Ot2
PWR
Itpu/Ot2
Itpu/Ot2
Itk/Ot2
Itpu/Ot2
PWR
Itpu/Ot2
PWRG
It/Ot2
Ith/Ot2
IthOt2
Ith/Ot2
I/O Type
NC
NC
NC
NC
NC
EB: D0
EB: D1
EB: D2
GND
GND
NC
VC: SLEEP
Internal core voltage
+3.3V through 240 KΩ
+3.3V
NC
+3.3V or +5V
NC
Interface
Conexant
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
Pin
DV1TP
GND
CLKIN
XTLI
XTLO
VDD
NMI#
WRITE#
READ#
GND
PHS2
HD0 (PC0)
HD1 (PC1)
VDD
HD2 (PC2)
HD3 (PC3)
HD4 (PC4)
GND
Signal Label
G
I
O
P
O
O
G
O
P
G
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
Itpu
GND
It
Ix
Ox
PWR
Ithpu
It/Ot2
It/Ot2
GND
Ot2
Ith/Ot8
Ith/Ot8
PWR
Ith/Ot8
Ith/Ot8
Ith/Ot8
GND
I/O Type
Clock Select
GND
GND
Crystal Circuit
Crystal Circuit
+3.3V
+3.3V
EB: WRITE#
EB: READ#
GND
NC
HB: HD0
HB: HD1
+3.3V
HB: HD2
HB: HD3
HB: HD4
GND
Interface
3-7