MCP23S08-E/ML Microchip Technology, MCP23S08-E/ML Datasheet - Page 19

• Manufacturer Part Number: MCP23S08-E/ML
• Description: IC, I/O EXPANDER, 8BIT, 10MHZ, QFN-20
• Manufacturer: Microchip Technology

Specifications of MCP23S08-E/ML

• Chip Configuration: 8 Bit
• Bus Frequency: 10MHz
• Ic Interface Type: SPI
• No. Of I/o's: 8
• Supply Voltage Range: 1.8V To 5.5V
• Digital Ic Case Style: QFN
• No. Of Pins: 20
• Interface: SPI
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 10MHz
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-VQFN Exposed Pad, 20-HVQFN, 20-SQFN, 20-DHVQFN
• Includes: POR
• Interface Type: SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: GPIODM-KPLCD - BOARD DEMO LCD GPIO EXP KEYPAD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

1.6.10
The GPIO register reflects the value on the port.
Reading from this register reads the port. Writing to this
register modifies the Output Latch (OLAT) register.
REGISTER 1-10:
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
R/W-0
GP7
PORT (GPIO) REGISTER
GP7:GP0: These bits reflect the logic level on the pins <7:0>
1 = Logic-high.
0 = Logic-low.
R/W-0
GP6
GPIO – GENERAL PURPOSE I/O PORT REGISTER (ADDR 0x09)
W = Writable bit
‘1’ = Bit is set
R/W-0
GP5
R/W-0
GP4
‘0’ = Bit is cleared
U = Unimplemented bit, read as ‘0’
MCP23008/MCP23S08
R/W-0
GP3
R/W-0
GP2
x = Bit is unknown
R/W-0
GP1
DS21919E-page 19
R/W-0
GP0
bit 0