Texas Instruments ISO1644DWEVM, Руководство пользователя

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3 Pin Configurations of Isolated I
2
C Transceivers With GPIO
The pin configurations of ISO1642, ISO1643, and ISO1644 in DW packages are shown in Figure 3-1 .
GND2
SCL1
VCC2 VCC1
SCL2
GND1
SDA1
SDA2
Iso
la
ti
o
n
16
15
14
13
9
10
11
12
1
2
3
4
8
7
6
5
INA
OUTB
NC
NC
NC
INB
OUTA
NC
ISO1642DW
GND2
SCL1
VCC2 VCC1
SCL2
GND1
SDA1
SDA2
Iso
la
ti
o
n
16
15
14
13
9
10
11
12
1
2
3
4
8
7
6
5
INA
INB
NC
NC
NC
OUTB
OUTA
NC
ISO1643DW
GND2
SCL1
VCC2 VCC1
SCL2
GND1
SDA1
SDA2
Iso
la
ti
o
n
16
15
14
13
9
10
11
12
1
2
3
4
8
7
6
5
INA
INB
GND1
OUT
C
GND2
OUTB
OUTA
INC
ISO1644DW
Figure 3-1. ISO1642, ISO1643, and ISO1644 Pinouts
The EVM PCB is shown in Figure 3-2 and comes with an ISO1644DW installed in place of U1. However,
this EVM can also be configured for evaluation of ISO1642DW and ISO1643DW by replacing the included
ISO1644DW device in place of U1.
Figure 3-2. ISO1644DWEVM Top View
www.ti.com Pin Configurations of Isolated I
2
C Transceivers With GPIO
SLLU329 – JUNE 2021
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ISO1644DWEVM Reinforced Isolated I
2
C With GPIOs Evaluation Module 3
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