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| 型號： | PCA9506DGG,512 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 2/34頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 40B 56TSSOP |
| 產品培訓模塊： | I²C Bus Fundamentals |
| 特色產品： | NXP - I2C Interface |
| 標準包裝： | 35 |
| 接口： | I²C |
| 輸入/輸出數(shù)： | 40 |
| 中斷輸出： | 是 |
| 頻率 - 時鐘： | 400kHz |
| 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： | 56-TFSOP（0.240"，6.10mm 寬） |
| 供應商設備封裝： | 56-TSSOP |
| 包裝： | 管件 |
| 包括： | POR |
| 產品目錄頁面： | 824 (CN2011-ZH PDF) |
| 其它名稱： | 568-3354-5 935280798512 PCA9506DGG |
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PCA9505_9506
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 4 — 3 August 2010
10 of 34
NXP Semiconductors
PCA9505/06
40-bit I2C-bus I/O port with RESET, OE and INT
7.3.1 IP0 to IP4 - Input Port registers
These registers are read-only. They reflect the incoming logic levels of the port pins
regardless of whether the pin is defined as an input or an output by the I/O Configuration
register. If the corresponding Px[y] bit in the PI registers is set to logic 0, or the inverted
incoming logic levels if the corresponding Px[y] bit in the PI register is set to logic 1. Writes
to these registers have no effect.
The Polarity Inversion register can invert the logic states of the port pins. The polarity of
the corresponding bit is inverted when Px[y] bit in the PI register is set to logic 1. The
polarity of the corresponding bit is not inverted when Px[y] bits in the PI register is set to
logic 0.
Mask Interrupt registers
20
100000
MSK0
read/write
Mask Interrupt register bank 0
21
100001
MSK1
read/write
Mask Interrupt register bank 1
22
100010
MSK2
read/write
Mask Interrupt register bank 2
23
100011
MSK3
read/write
Mask Interrupt register bank 3
24
100100
MSK4
read/write
Mask Interrupt register bank 4
25
100101
-
reserved for future use
26
100110
-
reserved for future use
27
100111
-
reserved for future use
Table 3.
Register summary …continued
Register #
(hex)
D5
D4
D3
D2
D1
D0
Symbol
Access
Description
Table 4.
IP0 to IP4 - Input Port registers (address 00h to 04h) bit description
Legend: * default value ‘X’ determined by the externally applied logic level.
Address
Register
Bit
Symbol
Access
Value
Description
00h
IP0
7 to 0
I0[7:0]
R
XXXX XXXX*
Input Port register bank 0
01h
IP1
7 to 0
I1[7:0]
R
XXXX XXXX*
Input Port register bank 1
02h
IP2
7 to 0
I2[7:0]
R
XXXX XXXX*
Input Port register bank 2
03h
IP3
7 to 0
I3[7:0]
R
XXXX XXXX*
Input Port register bank 3
04h
IP4
7 to 0
I4[7:0]
R
XXXX XXXX*
Input Port register bank 4
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