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TCA9535
www.ti.com
SCPS201A –AUGUST 2009– REVISED SEPTEMBER 2009
TERMINAL FUNCTIONS
NO.
NAME DESCRIPTION
TSSOP QFN BGA
(PW) RTW) (ZQS)
1 22 A3 INT Interrupt output. Connect to V
CC
through a pullup resistor.
2 23 B3 A1 Address input. Connect directly to V
CC
or ground.
3 24 A2 A2 Address input. Connect directly to V
CC
or ground.
P-port input/output. Push-pull design structure. At power-on, P00 is
4 1 A1 P00
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P01 is
5 2 C3 P01
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P02 is
6 3 B1 P02
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P03 is
7 4 C1 P03
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P04 is
8 5 C2 P04
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P05 is
9 6 D1 P05
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P06 is
10 7 E1 P06
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P07 is
11 8 D2 P07
configured as an input.
12 9 E2 GND Ground
P-port input/output. Push-pull design structure. At power-on, P10 is
13 10 E3 P10
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P11 is
14 11 E4 P11
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P12 is
15 12 D3 P12
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P13 is
16 13 E5 P13
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P14 is
17 14 D4 P14
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P15 is
18 15 D5 P15
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P16 is
19 16 C5 P16
configured as an input.
P-port input/output. Push-pull design structure. At power-on, P17 is
20 17 C4 P17
configured as an input.
21 18 B5 A0 Address input. Connect directly to V
CC
or ground.
22 19 A5 SCL Serial clock bus. Connect to V
CC
through a pullup resistor.
23 20 A4 SDA Serial data bus. Connect to V
CC
through a pullup resistor.
24 21 B4 V
CC
Supply voltage
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