Datasheet > 微控制器和处理器 > 并行 IO 端口> MCP23S18T-E/SP

MCP23S18T-E/SP

更新时间： 2024-01-04 10:23:07

品牌	Logo	应用领域
美国微芯 - MICROCHIP		并行IO端口微控制器和处理器外围集成电路光电二极管
页数	文件大小	规格书
56页	736K
描述
16-Bit I/O Expander with Open-Drain Outputs

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中文翻译

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技术参数
数据手册

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MCP23S18T-E/SP 技术参数

生命周期：	Active	零件包装代码：	DIP
包装说明：	0.300 INCH, LEAD FREE, PLASTIC, SDIP-28	针数：	28
Reach Compliance Code：	compliant	风险等级：	5.75
Is Samacsys：	N	JESD-30 代码：	R-PDIP-T28
长度：	34.671 mm	I/O 线路数量：	16
端口数量：	2	端子数量：	28
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	DIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
认证状态：	Not Qualified	座面最大高度：	5.08 mm
最大供电电压：	5.5 V	最小供电电压：	1.8 V
标称供电电压：	5 V	表面贴装：	NO
技术：	CMOS	温度等级：	AUTOMOTIVE
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	宽度：	7.62 mm
uPs/uCs/外围集成电路类型：	PARALLEL IO PORT, GENERAL PURPOSE	Base Number Matches：	1

MCP23S18T-E/SP 数据手册

MCP23018/MCP23S18

1.3.2.2

I C Read Operation

1.3.3

SPI INTERFACE

I²C read operations include the control byte sequence,

as shown in the bottom of Figure 1-1. This sequence is

followed by another control byte (including the Start

condition and ACK) with the R/W bit equal to a logic

one (R/W = 1). The MCP23018 then transmits the data

contained in the addressed register. The sequence is

ended with the master generating a Stop or Restart

condition.

1.3.3.1

SPI Write Operation

The SPI write operation is started by lowering CS. The

write command (slave address with R/W bit cleared) is

then clocked into the device. The opcode is followed by

an address and at least one data byte.

1.3.3.2

SPI Read Operation

The SPI read operation is started by lowering CS. The

SPI read command (slave address with R/W bit set) is

then clocked into the device. The opcode is followed by

an address, with at least one data byte being clocked

out of the device.

1.3.2.3

I C Sequential Write/Read

For sequential operations (Write or Read), instead of

transmitting a Stop or Restart condition after the data

transfer, the master clocks the next byte pointed to by

the address pointer (see Section 1.3.1 “Byte Mode

and Sequential Mode” for details regarding sequential

operation control).

1.3.3.3

SPI Sequential Write/Read

For sequential operations, instead of deselecting the

device by raising CS, the master clocks the next byte

pointed to by the address pointer. (see Section 1.3.1

“Byte Mode and Sequential Mode” for details regard-

ing sequential operation control).

The sequence ends with the master sending a Stop or

Restart condition.

The MCP23018 address pointer will roll over to

address zero after reaching the last register address.

The sequence ends by the raising of CS.

Refer to Figure 1-1.

The MCP23S18 address pointer will roll over to

address zero after reaching the last register address.

DS22103A-page 8

1...5 6 789 10 11...56

中文翻译

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