參數(shù)資料
型號: PCA9502
廠商: NXP Semiconductors N.V.
英文描述: 8-bit I/O expander with I2C-bus/SPI interface
中文描述: 8位I / O擴展接口與I2C-bus/SPI
文件頁數(shù): 13/25頁
文件大?。?/td> 125K
代理商: PCA9502
PCA9502_3
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 03 — 13 October 2006
13 of 25
NXP Semiconductors
PCA9502
8-bit I/O expander with I
2
C-bus/SPI interface
10. SPI operation
11. Limiting values
[1]
5.5 V steady state voltage tolerance on inputs and outputs is valid only when the supply voltage is present.
4.6 V steady state voltage tolerance on inputs and outputs when no supply voltage is present.
R/W = 0; A[3:0] = register address
a. Register write
R/W = 1; A[3:0] = register address
b. Register read
Fig 12. SPI operation
Table 13.
Bit
7
Register address byte (SPI)
Name
R/W
Function
1: read from PCA9502
0: write to PCA9502
internal register select
not used, set to 0
not used
6:3
2:1
0
A[3:0]
-
-
SI
A1
A2
A3
R/W
SCLK
0
A0
X
0
D6
D7
D4
D5
D2
D3
D0
D1
002aab925
SI
A1
A2
A3
R/W
SCLK
0
A0
X
0
SO
D6
D7
D4
D5
D2
D3
D0
D1
002aab926
Table 14.
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
V
DD
supply voltage
V
I
input voltage
I
I
input current
I
O
output current
P
tot
total power dissipation
P/out
power dissipation per output
T
amb
ambient temperature
T
stg
storage temperature
Limiting values
Conditions
Min
0.3
0.3
10
10
-
-
40
65
Max
+4.6
+5.5
[1]
+10
+10
300
50
+85
+150
Unit
V
V
mA
mA
mW
mW
°
C
°
C
any input
any input
any output
相關PDF資料
PDF描述
PCA9506 40-bit I2C-bus I/O port with RESET, OE, and INT
PCA9509 Level translating I2C-bus/SMBus repeater
PCA9510A Hot swappable I2C-bus and SMBus bus buffer
PCA9511A Hot swappable I2C-bus and SMBus bus buffer
PCA9511DP Hot swappable I2C and SMBus bus buffer
相關代理商/技術參數(shù)
參數(shù)描述
PCA9502BS 功能描述:接口-I/O擴展器 8-BITI/O EXPDR W/I2C-SPI INTRF 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9502BS,128 功能描述:接口-I/O擴展器 8-BITI/O EXPDR 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9502BS,151 功能描述:接口-I/O擴展器 I/O EXPANDER I2C 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9502BS,157 功能描述:接口-I/O擴展器 8-BITI/O EXPDR 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
PCA9502BS-F 功能描述:接口-I/O擴展器 8-BITI/O EXPDR W/I2C-SPI INTRF 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 安裝風格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel