TCA9535 Datasheet, PDF (3/32 Pages) Texas Instruments – LOW VOLTAGE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS

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