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參數資料
型號: PCA9575HF,118
廠商: NXP Semiconductors
文件頁數: 8/38頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 24HWQFN
產品培訓模塊: I²C Bus Fundamentals
特色產品: NXP - I2C Interface
標準包裝: 1
接口: I²C,SM 總線
輸入/輸出數: 16
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 1.1 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤
供應商設備封裝: 24-HWQFN(4x4)
包裝: 標準包裝
包括: POR
產品目錄頁面: 826 (CN2011-ZH PDF)
其它名稱: 568-4771-6
PCA9575_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 9 November 2009
16 of 38
NXP Semiconductors
PCA9575
16-bit I2C-bus and SMBus, level translating, low voltage GPIO
7.6.11 Register 10 - Output port 0 register
This register is an output-only port. It reects the outgoing logic levels of the pins dened
as outputs by Register 8. Bit values in this register have no effect on pins dened as
inputs. In turn, reads from this register reect the value that is in the ip-op controlling the
output selection, not the actual pin value.
7.6.12 Register 11 - Output port 1 register
This register is an output-only port. It reects the outgoing logic levels of the pins dened
as outputs by Register 9. Bit values in this register have no effect on pins dened as
inputs. In turn, reads from this register reect the value that is in the ip-op controlling the
output selection, not the actual pin value.
Table 14.
Register 10 - Output port 0 register (address 0Ah) bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
O0.7
R/W
0*
reects outgoing logic levels of pins dened as
outputs by Register 8
6
O0.6
R/W
0*
5
O0.5
R/W
0*
4
O0.4
R/W
0*
3
O0.3
R/W
0*
2
O0.2
R/W
0*
1
O0.1
R/W
0*
0
O0.0
R/W
0*
Table 15.
Register 11 - Output port 1 register (address 0Bh) bit description
Legend: * default value.
Bit
Symbol
Access
Value
Description
7
O1.7
R/W
0*
reects outgoing logic levels of pins dened as
outputs by Register 9
6
O1.6
R/W
0*
5
O1.5
R/W
0*
4
O1.4
R/W
0*
3
O1.3
R/W
0*
2
O1.2
R/W
0*
1
O1.1
R/W
0*
0
O1.0
R/W
0*
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