参数资料
型号: PCA9506DGG,512
厂商: NXP Semiconductors
文件页数: 3/34页
文件大小: 0K
描述: IC I/O EXPANDER I2C 40B 56TSSOP
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 35
接口: I²C
输入/输出数: 40
中断输出:
频率 - 时钟: 400kHz
电源电压: 2.3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 56-TFSOP(0.240",6.10mm 宽)
供应商设备封装: 56-TSSOP
包装: 管件
包括: POR
产品目录页面: 824 (CN2011-ZH PDF)
其它名称: 568-3354-5
935280798512
PCA9506DGG
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
11 of 34
NXP Semiconductors
PCA9505/06
40-bit I2C-bus I/O port with RESET, OE and INT
7.3.2 OP0 to OP4 - Output Port registers
These registers reflect the outgoing logic levels of the pins defined as outputs by the
I/O Configuration register. Bit values in these registers have no effect on pins defined as
inputs. In turn, reads from these registers reflect the values that are in the flip-flops
controlling the output selection, not the actual pin values.
Ox[y] = 0: IOx_y = 0 if IOx_y defined as output (Cx[y] in IOC register = 0).
Ox[y] = 1: IOx_y = 1 if IOx_y defined as output (Cx[y] in IOC register = 0).
Where ‘x’ refers to the bank number (0 to 4); ‘y’ refers to the bit number (0 to 7).
7.3.3 PI0 to PI4 - Polarity Inversion registers
These registers allow inversion of the polarity of the corresponding Input Port register.
Px[y] = 0: The corresponding Input Port register data polarity is retained.
Px[y] = 1: The corresponding Input Port register data polarity is inverted.
Where ‘x’ refers to the bank number (0 to 4); ‘y’ refers to the bit number (0 to 7).
Table 5.
OP0 to OP4 - Output Port registers (address 08h to 0Ch) bit description
Legend: * default value.
Address
Register
Bit
Symbol
Access
Value
Description
08h
OP0
7 to 0
O0[7:0]
R/W
0000 0000*
Output Port register bank 0
09h
OP1
7 to 0
O1[7:0]
R/W
0000 0000*
Output Port register bank 1
0Ah
OP2
7 to 0
O2[7:0]
R/W
0000 0000*
Output Port register bank 2
0Bh
OP3
7 to 0
O3[7:0]
R/W
0000 0000*
Output Port register bank 3
0Ch
OP4
7 to 0
O4[7:0]
R/W
0000 0000*
Output Port register bank 4
Table 6.
PI0 to PI4 - Polarity Inversion registers (address 10h to 14h) bit description
Legend: * default value.
Address
Register
Bit
Symbol
Access
Value
Description
10h
PI0
7 to 0
P0[7:0]
R/W
0000 0000*
Polarity Inversion register bank 0
11h
PI1
7 to 0
P1[7:0]
R/W
0000 0000*
Polarity Inversion register bank 1
12h
PI2
7 to 0
P2[7:0]
R/W
0000 0000*
Polarity Inversion register bank 2
13h
PI3
7 to 0
P3[7:0]
R/W
0000 0000*
Polarity Inversion register bank 3
14h
PI4
7 to 0
P4[7:0]
R/W
0000 0000*
Polarity Inversion register bank 4
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