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參數(shù)資料
型號(hào): PCA9575PW1,118
廠(chǎng)商: NXP Semiconductors
文件頁(yè)數(shù): 8/38頁(yè)
文件大小: 0K
描述: IC I/O EXPANDER I2C 16B 24TSSOP
標(biāo)準(zhǔn)包裝: 1
接口: I²C,SM 總線(xiàn)
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時(shí)鐘: 400kHz
電源電壓: 1.1 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
包括: POR
其它名稱(chēng): 568-9538-6
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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