參數(shù)資料
型號： PCA9675DB
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt
中文描述： 18 I/O, PIA-GENERAL PURPOSE, PDSO24
封裝： 5.30 MM, PLASTIC, MO-150, SOT340-1, SSOP-24
文件頁數(shù)： 11/34頁
文件大?。?/td> 185K
代理商： PCA9675DB
PCA9675_1
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 1 February 2007
11 of 34
NXP Semiconductors
PCA9675
Remote 16-bit I/O expander for Fm+ I
2
C-bus with interrupt
Remark:
The reading of the Device ID can be stopped anytime by sending a NACK
command.
Remark:
If the master continues to ACK the bytes after the third byte, the PCA9675
rolls back to the first byte and keeps sending the Device ID sequence until a NACK
has been detected.
For the PCA9675, the Device ID is as shown in
Figure 13
.
Fig 13. PCA9675 ID
If more than 2 bytes are read, the slave device loops back to the first byte (manufacturer byte)
and keeps sending data until the master generates a ‘no acknowledge’.
Fig 14. Device ID field reading
0
002aab639
0
0
revision
0
0
1
0
0
1
1
0
0
part identification
0
0
0
0
0
0
0
0
0
0
0
0
manufacturer
category identification
feature identification
002aab663
1
1
1
1
0
0
0
A
S
1
device ID address
START condition
R/W
acknowledge from one
or several slave(s)
A5 A4 A3 A2 A1 A0 X
A6
A
1
1
1
1
0
0
1
1
device ID address
A
I
2
C-bus slave address of
the device to be identified
don't care
acknowledge from
slave to be identified
acknowledge from
slave to be identified
R/W
M6 M5 M4
M7
M2 M1 M0
M3
A
acknowledge
from master
C5 C4 C3
C6
C1 C0 F5
C2
A
acknowledge
from master
manufacturer name
= 00000000
P3 P2 P1
F4
P0 R2 R1 R0
revision = 000
feature identification
= 001100
A
P
STOP
condition
no acknowledge
from master
category identification
= 0000001
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCA9675DB,112 功能描述:接口-I/O擴(kuò)展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9675DB,118 功能描述:接口-I/O擴(kuò)展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9675DB-T 功能描述:接口-I/O擴(kuò)展器 16-BIT I2C FM+ QB GPIO RST PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9675DK,118 功能描述:接口-I/O擴(kuò)展器 16-BIT I2C FM+ QB RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9675DK-T 功能描述:接口-I/O擴(kuò)展器 16-BIT I2C FM+ QB GPIO RST PU RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
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