Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

PCAL9722 Datasheet(PDF) 10 Page - NXP Semiconductors

Part # PCAL9722
Description  Ultra low-voltage translating 22-bit SPI I/O expander with Agile I/O features, interrupt output and reset
PDF  63 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCAL9722 Datasheet(HTML) 10 Page - NXP Semiconductors

Back Button PCAL9722 Datasheet HTML 6Page - NXP Semiconductors PCAL9722 Datasheet HTML 7Page - NXP Semiconductors PCAL9722 Datasheet HTML 8Page - NXP Semiconductors PCAL9722 Datasheet HTML 9Page - NXP Semiconductors PCAL9722 Datasheet HTML 10Page - NXP Semiconductors PCAL9722 Datasheet HTML 11Page - NXP Semiconductors PCAL9722 Datasheet HTML 12Page - NXP Semiconductors PCAL9722 Datasheet HTML 13Page - NXP Semiconductors PCAL9722 Datasheet HTML 14Page - NXP Semiconductors Next Button
Zoom Inzoom in Zoom Outzoom out
 10 / 63 page
background image
NXP Semiconductors
PCAL9722
Ultra low-voltage translating 22-bit SPI I/O expander with Agile I/O features, interrupt output and
reset
Pointer register bits
B6 B5 B4 B3 B2 B1 B0
Command
byte
(hexadecimal)
Register
Protocol
Power-up
default
1
0
0
0
0
1
0
42h
Output drive strength register port 1A read/write byte 1111 1111
1
0
0
0
0
1
1
43h
Output drive strength register port 1B read/write byte 1111 1111
1
0
0
0
1
0
0
44h
Output drive strength register port 2A read/write byte 1111 1111
1
0
0
0
1
0
1
45h
Output drive strength register port 2B read/write byte 1111 1111
1
0
0
0
1
1
0
46h
reserved[2]
reserved
reserved
1
0
0
0
1
1
1
47h
reserved[2]
reserved
reserved
1
0
0
1
0
0
0
48h
Input latch register port 0
read/write byte 0000 0000
1
0
0
1
0
0
1
49h
Input latch register port 1
read/write byte 0000 0000
1
0
0
1
0
1
0
4Ah
Input latch register port 2
read/write byte 0000 0000
1
0
0
1
0
1
1
4Bh
reserved[2]
reserved
reserved
1
0
0
1
1
0
0
4Ch
Pull-up/pull-down enable register port
0
read/write byte 0000 0000
1
0
0
1
1
0
1
4Dh
Pull-up/pull-down enable register port
1
read/write byte 0000 0000
1
0
0
1
1
1
0
4Eh
Pull-up/pull-down enable register port
2
read/write byte 0000 0000
1
0
0
1
1
1
1
4Fh
reserved[2]
reserved
reserved
1
0
1
0
0
0
0
50h
Pull-up/pull-down selection register
port 0
read/write byte 1111 1111
1
0
1
0
0
0
1
51h
Pull-up/pull-down selection register
port 1
read/write byte 1111 1111
1
0
1
0
0
1
0
52h
Pull-up/pull-down selection register
port 2
read/write byte 1111 1111
1
0
1
0
0
1
1
53h
reserved[2]
reserved
reserved
1
0
1
0
1
0
0
54h
Interrupt mask register port 0
read/write byte 1111 1111
1
0
1
0
1
0
1
55h
Interrupt mask register port 1
read/write byte 1111 1111
1
0
1
0
1
1
0
56h
Interrupt mask register port 2
read/write byte 1111 1111
1
0
1
0
1
1
1
57h
reserved[2]
reserved
reserved
1
0
1
1
0
0
0
58h
Interrupt status register port 0
read byte
0000 0000
1
0
1
1
0
0
1
59h
Interrupt status register port 1
read byte
0000 0000
1
0
1
1
0
1
0
5Ah
Interrupt status register port 2
read byte
0000 0000
1
0
1
1
0
1
1
5Bh
reserved[2]
reserved
reserved
1
0
1
1
1
0
0
5Ch[3]
Output port configuration register
read/write byte 0000 0000
1
0
1
1
1
0
1
5Dh
reserved[2]
reserved
reserved
1
0
1
1
1
1
0
5Eh
reserved[2]
reserved
reserved
1
0
1
1
1
1
1
5Fh
reserved[2]
reserved
reserved
1
1
0
0
0
0
0
60h
Interrupt edge register port 0A
read/write byte 0000 0000
Table 6. Command byte...continued
PCAL9722
All information provided in this document is subject to legal disclaimers.
© 2023 NXP B.V. All rights reserved.
Product data sheet
Rev. 1.1 — 1 May 2023
10 / 63



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com