3222/3223-DB1 Silicon Laboratories Inc, 3222/3223-DB1 Datasheet - Page 45

• Manufacturer Part Number: 3222/3223-DB1
• Description: EVAL BOARD FOR IA3222/3223
• Manufacturer: Silicon Laboratories Inc
• Series: EZ DAA™r

Specifications of 3222/3223-DB1

• Main Purpose: Telecom, Data Acquisition Arrangement (DAA)
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: IA3222, IA3223
• Primary Attributes: -
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

10. Pin Description—IA3223A System-Side QSOP-20
*Note: Refer to the section on line monitoring for a description of the Line-Status pin.
Pin Number
10
12
13
14
15
16
17
18
19
20
11
1
2
3
4
5
6
7
8
9
RNG/PPU
Pin Name
LineStat
RX
LIU/LD
AC
ExtClk
C
C
SCLK
D
OfHk
TX
V
ICG
ICR
V
ICT
D
CS
EXT2
EXT1
LP
OUT
DD
SS
OUT
REF
IN
IN
Table 15. IA3223A System Side Pin Definitions
RNG/PPU
Figure 35. Pin Configuration
LIU/LDN
LineStat
ExtClk
RX
Pin Type
SCLK
DO, PU
DI, PD
DI, PD
D
20-Pin QSOP (IA3223A)
CS#
TX
AIO
AIO
AIO
DO
AO
DO
DO
DO
AO
D
OUT
OUT
DI
DI
DI
AI
AI
AI
S
S
IN
IN
10
1
2
3
4
5
6
7
8
9
Rev. 5.0
Line in use or disconnect (on hook) or line drop (off hook)
Off hook, active high, ORed with internal OFH control bit
Line-Side isolation bridge interface for transmitter path
Serial interface chip select, active low with weak pull-
Line-Side isolation bridge interface reference ground
Line-Side isolation bridge interface for receiver path
Optional external clock; this pin may be left open.
Ring signal (on hook) or parallel pickup (off hook)
DAA optional dc offset; this pin may be left open.
20
19
18
17
16
15
14
13
12
11
Line polarity (on hook and off hook)
ICR
ICG
C
External capacitor #2 connection
External capacitor #1 connection
ICT
V
V
C
OfHk
LP
AC
Line Status open-drain output*
SS
DD
EXT2
EXT1
REF
Serial interface data out
Serial interface data in
Positive power supply
Serial interface clock
DAA receive output
DAA transmit input
System ground
Pin Function
down
IA3222/23
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