Datasheet > MCP23S09TEP

MCP23S09TEP

更新时间： 2024-02-02 09:10:27

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
50页	605K
描述
8-Bit I/O Expander with Open-Drain Outputs

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技术参数
数据手册

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MCP23S09TEP 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SSOP
包装说明：	5.30 MM, LEAD FREE, PLASTIC, SSOP-20	针数：	20
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.51
JESD-30 代码：	R-PDSO-G20	JESD-609代码：	e3
长度：	7.2 mm	湿度敏感等级：	1
I/O 线路数量：	8	端口数量：	1
端子数量：	20	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：	SSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, SHRINK PITCH	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	座面最大高度：	2 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：	YES
技术：	CMOS	温度等级：	AUTOMOTIVE
端子面层：	MATTE TIN (SN)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	宽度：	5.3 mm
uPs/uCs/外围集成电路类型：	PARALLEL IO PORT, GENERAL PURPOSE

MCP23S09TEP 数据手册

MCP23009/MCP23S09

1.3.3

SPI INTERFACE

1.3.3.2

SPI Read Operation

The MCP23S09 operates in Mode 0,0 and Mode 1,1.

The difference between the two modes is the idle state

of the clock.

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.

Mode 0,0: The idle state of the clock is LOW. Input data

is latched on the rising edge of the clock; output data is

driven on the falling edge of the clock.

1.3.3.3

SPI Sequential Write/Read

Mode 1,1: The idle state of the clock is HIGH. Input

data is latched on the rising edge of the clock; output

data is driven on the falling edge of the clock.

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

regarding sequential operation control).

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.

The sequence ends by the raising of CS.

The MCP23S09 address pointer will roll over to

address zero after reaching the last register address.

DS22121B-page 7

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