CP2101EK Silicon Laboratories Inc, CP2101EK Datasheet - Page 3

• Manufacturer Part Number: CP2101EK
• Description: KIT DEVELOPMENT RS232 TO USB
• Manufacturer: Silicon Laboratories Inc

Specifications of CP2101EK

• Processor To Be Evaluated: CP2101
• Interface Type: RS-232, USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 336-1076; CP2101EK; Q1572300

Table of Contents
1. System Overview..................................................................................................... 5
2. Absolute Maximum Ratings ................................................................................... 5
3. Global DC Electrical Characteristics ..................................................................... 6
4. Pinout and Package Definitions............................................................................. 7
5. USB Function Controller and Transceiver .......................................................... 12
6. Asynchronous Serial Data Bus (UART) Interface............................................... 12
7. Internal EEPROM ................................................................................................... 13
8. CP2101 Device Drivers.......................................................................................... 14
9. Voltage Regulator.................................................................................................. 15
10. Relevant Application Notes .................................................................................. 17
Document Change List ............................................................................................... 18
Contact Information .................................................................................................... 20
8.1. Virtual COM Port Drivers .................................................................................. 14
8.2. USBXpress Drivers ........................................................................................... 14
8.3. Driver Customization ........................................................................................ 14
8.4. Driver Certification ............................................................................................ 14
Table 2.1. Absolute Maximum Ratings ................................................................ 5
Table 3.1. Global DC Electrical Characteristics ................................................... 6
Table 3.2. UART and Suspend I/O DC Electrical Characteristics ........................ 6
Table 3.3. Reset Electrical Characteristics .......................................................... 6
Table 4.1. Pin Definitions for the CP2101 ............................................................ 7
Figure 4.1. QFN-28 Pinout Diagram (Top View) .................................................. 8
Figure 4.2. QFN-28 Package Drawing ................................................................. 9
Table 4.2. QFN-28 Package Dimensions............................................................. 9
Figure 4.3. Typical QFN-28 Landing Diagram ................................................... 10
Figure 4.4. Typical QFN-28 Solder Paste Recommendation ............................. 11
Figure 5.1. Typical Connection Diagram ............................................................ 12
Table 6.1. Data Formats and Baud Rates.......................................................... 13
Table 7.1. Default USB Configuration Data ....................................................... 13
Table 9.1. Voltage Regulator Electrical Specifications ....................................... 15
Figure 9.1. Configuration 1: USB Bus-Powered ................................................. 15
Figure 9.2. Configuration 2: USB Self-Powered ................................................. 16
Figure 9.3. Configuration 3: USB Self-Powered, Regulator Bypassed .............. 16
Rev. 1.8
CP2101
3