ia3222 integration, ia3222 Datasheet - Page 7

• Manufacturer Part Number: ia3222
• Description: Ia3222/ia3223 Ez Daa? Chipset With Analog Interface
• Manufacturer: integration

PACKAGE PIN DEFINITIONS
Pin-type key:
D=digital, A=analog, S=supply, I=input, O=output, IO=input/output
PU=weak internal pull-up resistor
PD=weak internal pull-down resistor
IA3223 System Side Pin Definitions
Note: Refer to the section on line monitoring for a description of the Line-Status pin.
Pin Number
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
Pin Name
LineStat
ExtClk
RX
SCLK
AC
C
C
D
CS#
TX
ICG
ICR
V
ICT
V
D
EXT2
EXT1
OUT
DD
SS
IN
OUT
REF
IN
Pin Type
DO, PU
DI, PD
AIO
AIO
AIO
DO
AO
AO
DI
DI
DI
AI
AI
AI
S
S
IA3223 System Side (QSOP-16)
LineStat
ExtClk
RX
SCLK
D
CS#
TX
Pin Function
Line Status open-drain output [See note.]
Serial interface clock
Serial interface chip select, active low with weak pull-down
Serial interface data in
Serial interface data out
DAA transmit input
DAA receive output
Optional external clock; this pin may be left open.
External capacitor #2 connection
External capacitor #1 connection
DAA optional DC offset; this pin may be left open.
Positive power supply
Line-Side IsoBridge interface for receiver path
System ground
Line-Side IsoBridge interface reference ground
Line-Side IsoBridge interface for transmitter path
D
OUT
OUT
IN
IN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
ICT
V
ICR
V
ICG
AC
C
C
SS
DD
EXT 1
EXT 2
REF
IA3222/IA3223
7