參數(shù)資料
型號: PCA9675BQ,118
廠商: NXP Semiconductors
文件頁數(shù): 3/29頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24DHVQFN
標準包裝: 3,000
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 1MHz
電源電壓: 2.3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應商設備封裝: 24-DHVQFN(5.5x3.5)
包裝: 帶卷 (TR)
包括: POR
其它名稱: 935283231118
PCA9675BQ-T
PCA9675BQ-T-ND
PCA9675
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 2 — 3 October 2011
11 of 34
NXP Semiconductors
PCA9675
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt
Fig 11. 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 12. Device ID field reading
0
002aab639
0
revision
0
1
0
1
0
part identification
0
manufacturer
category identification
feature identification
002aab663
1
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
0
1
device ID address
A
I2C-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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