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RF430CL331HIPWR датащи(PDF) 6 Page - Texas Instruments |
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RF430CL331HIPWR датащи(HTML) 6 Page - Texas Instruments |
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6 / 60 page ![]() RF430CL331H SLASE18A – SEPTEMBER 2015 – REVISED NOVEMBER 2015 www.ti.com 3.3 Signal Descriptions Table 3-2 describes the signals. Table 3-2. Signal Descriptions FUNCTION SIGNAL NAME PIN NUMBER I/O (1) DESCRIPTION PW RGT VCC 1 15 PWR 3.3-V power supply Power VCORE 13 12 PWR Regulated core supply voltage VSS 14 13 PWR Ground supply ANT1 2 1 RF Antenna input 1 RF ANT2 3 2 RF Antenna input 2 E0 5 4 I I2C address select 0 E1 6 5 I I2C address select 1 E2 7 6 I I2C address select 2 High indicates that I2C communication can be started. Low indicates Serial I2C_READY 9 8 O that I2C communication must not be started. communication Low indicates that a wait time extension command is automatically I2C_SIGNAL 10 9 O being sent. I2C communication does not have to be stopped. SCL 11 10 I/O I2C clock SDA 12 11 I/O I2C data INTO 8 7 O Interrupt output System RST 4 3 I Reset input (active low) (2) 14 No connect NC – – Leave open, no connection 16 (1) I = Input, O = Output, PWR = Power, RF = RF antenna (2) With integrated pullup 3.4 Pin Multiplexing None of the pins on this device are multiplexed. Table 3-3. Buffer Type NOMINAL OUTPUT BUFFER TYPE NOMINAL PU OR PD DRIVE OTHER HYSTERESIS PU OR PD (STANDARD) VOLTAGE STRENGTH STRENGTH CHARACTERISTICS (µA) (mA) See Section 4.6, See Section 4.7, Electrical Electrical LVCMOS 3.3 V Y N/A Characteristics, Characteristics, Digital Inputs Digital Outputs See analog modules in Analog, RF 3.3 V N N/A N/A N/A Section 4, Specifications, for details Power 3.3 V Y with SVS on N/A N/A N/A 3.5 Connections for Unused Pins Leave no connect (NC) pins unconnected. Leave unused outputs unconnected. Drive or pull unused inputs high or low. 6 Terminal Configuration and Functions Copyright © 2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: RF430CL331H |
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