CP2120-GM Silicon Laboratories Inc, CP2120-GM Datasheet - Page 23

• Manufacturer Part Number: CP2120-GM
• Description: IC I/O EXPANDER I2C/SPI 8B 20QFN
• Manufacturer: Silicon Laboratories Inc
• Type: SPI to I2C Bridger

Specifications of CP2120-GM

• Package / Case: 20-QFN
• Interface: I²C, SPI
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1324

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Revision 0.1 to Revision 0.2
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Revision 0.2 to Revision 0.3
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Revision 0.3 to Revision 0.4
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OCUMENT
Various small text changes.
Updated 4.1 Pin Out Chart.
Updated 4.2 Pin Out Diagram.
Updated Figure 2. SPI Bus Typical Connections.
Added Table 3. Internal Register Addresses.
Updated all CP2120 command drawings.
Added section 6.1 Determining Pull-Up Register
Values.
Changed appearance of all Internal Register
Definition charts.
Changed contents of Section 8. CP2120 Revision
Number.
Removed references to power down mode.
Corrected Equation 1, “I2C Clock Frequency,” on
page 13.
In Internal Register 4, “I2CTO2: Additional I
Outs,” on page 15, changed Internal Register
Address to “0x09”.
In Internal Register 5, “I2CSTAT: I
Register,” on page 16, changed all bits to “R” instead
of “R/W”
In Internal Register 6, “RXBUFF: Receive Buffer
Size Register,” on page 17, changed all bits to “R”
instead of “R/W”.
Updated Figure 1.
Updated Digital Supply Voltage in Table 2.
Updated Figure 3.
C
HANGE
L
IST
2
C Status
2
C Time
Rev. 0.4
CP2120
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