参数资料
型号: PCA9698BS,118
厂商: NXP Semiconductors
文件页数: 48/48页
文件大小: 0K
描述: IC I/O EXPANDER I2C 40B 56HVQFN
产品培训模块: I²C Bus Fundamentals
特色产品: NXP - I2C Interface
标准包装: 1
接口: I²C
输入/输出数: 40
中断输出:
频率 - 时钟: 1MHz
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-VFQFN 裸露焊盘
供应商设备封装: 56-HVQFN
包装: 标准包装
包括: POR
产品目录页面: 826 (CN2011-ZH PDF)
其它名称: 568-3240-6
PCA9698
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 3 — 3 August 2010
9 of 48
NXP Semiconductors
PCA9698
40-bit Fm+ I2C-bus advanced I/O port with RESET, OE and INT
7.3.1 5-bank register category
IP – Input registers
OP – Output registers
PI – Polarity Inversion registers
IOC – I/O Configuration registers
MSK – Mask interrupt registers
If the Auto-Increment flag is set (AI = 1), the 3 least significant bits are automatically
incremented after a read or write. This allows the user to program and/or read the
5 register banks sequentially.
If more than 5 bytes of data are written and AI = 1, previous data in the selected registers
will be overwritten or reread. Reserved registers are skipped and not accessed (refer to
If the Auto-Increment flag is cleared (AI = 0), the 3 least significant bits are not
incremented after data is read or written, only one register will be repeatedly read or
written.
7.3.2 1-bank register category
OUTCONF – Output Structure Configuration register
ALLBNK – All Bank Control register
MODE – Mode Selection register
If more than 1 byte of data is written or read, previous data in the same register is
overwritten independently of the value of AI.
7.4 Register definitions
Table 3.
Register summary
Reg #
D5
D4
D3
D2
D1
D0
Name
Type
Function
Input Port registers
00h
0
IP0
read only
Input Port register bank 0
01h
0
1
IP1
read only
Input Port register bank 1
02h
0
1
0
IP2
read only
Input Port register bank 2
03h
0
1
IP3
read only
Input Port register bank 3
04h
0
1
0
IP4
read only
Input Port register bank 4
05h
0
1
0
1
-
reserved for future use
06h
0
1
0
-
reserved for future use
07h
0
1
-
reserved for future use
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