MCP23008 I2
參數(shù)資料
型號(hào): MCP23S08-E/SO
廠商: Microchip Technology
文件頁(yè)數(shù): 42/44頁(yè)
文件大?。?/td> 0K
描述: IC I/O EXPANDER SPI 8B 18SOIC
標(biāo)準(zhǔn)包裝: 42
接口: SPI
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 10MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC
包裝: 管件
包括: POR
配用: GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD
2007 Microchip Technology Inc.
DS21919E-page 7
MCP23008/MCP23S08
FIGURE 1-1:
MCP23008 I2C DEVICE PROTOCOL
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.
The sequence ends by the raising of CS.
The MCP23S08 address pointer will roll over to
address zero after reaching the last register address.
1.4
Hardware Address Decoder
The hardware address pins are used to determine the
device address. To address a device, the correspond-
ing address bits in the control byte must match the pin
state.
MCP23008 has address pins A2, A1 and A0.
MCP23S08 has address pins A1 and A0.
The pins must be biased externally.
S
P
SR
w
R
OP
ADDR
DOUT
DIN
- START
- RESTART
- STOP
- Write
- Read
- Device opcode
- Device address
- Data out from MCP23008
- Data into MCP23008
S
P
SR
W
R
OP
ADDR
DIN
....
S
P
W
R
OP
ADDR
DOUT
....
P
SR
W
OP
DIN
....
P
SR
R
DOUT
....
P
OP
DOUT
....
P
SR
OP
DIN
....
P
OP
DIN
S
P
W
OP
ADDR
DIN
....
Byte and Sequential Write
S
W
OP
SR
R
OP
DOUT
....
P
Byte and Sequential Read
S
W
OP
ADDR
DIN
P
S
W
OP
SR
R
OP
DOUT
P
Byte
Sequential
Byte
Sequential
相關(guān)PDF資料
PDF描述
MC9S12XDP512VAL IC MCU 512K FLASH 112-LQFP
MC9S12B256MPVE IC MCU 256K FLASH 25MHZ 112-LQFP
MCHC912B32CFUE8 IC MCU 32K FLASH 8MHZ 80-QFP
MC68331CAG16 IC MCU 32BIT 16MHZ 144-LQFP
MCF5206EAB54 IC MCU 32BIT COLDF 54MHZ 160-QFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP23S08T-E/ML 功能描述:接口-I/O擴(kuò)展器 8bit Input/Output Exp SPI interface RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MCP23S08T-E/P 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Bit I/O Expander with Serial Interface
MCP23S08T-E/SO 功能描述:接口-I/O擴(kuò)展器 In/Out I2C int RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MCP23S08T-E/SS 功能描述:接口-I/O擴(kuò)展器 In/Out I2C int RoHS:否 制造商:NXP Semiconductors 邏輯系列: 輸入/輸出端數(shù)量: 最大工作頻率:100 kHz 工作電源電壓:1.65 V to 5.5 V 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HVQFN-16 封裝:Reel
MCP23S09 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs