LMX9820 datasheet(39/40 Pages) NSC

39 / 40 page

Revision 1.0

www.national.com

16.0 Datasheet Revision History (Continued)

Table 42. Edits to Current Revision

Section

Revisions / Comments

General

Description

• Section "General Description" on page 1 updated

– Text Description updated

– Features Updated

– Physical dimension changed to (10.1mm x 14.0mm x 1.9mm)

Pad Description

• Table 2 "System Interface Signals" on page 5 updated

– changed information on 32_CLK pins

Electrical

Specifications

• Table “USB Transceiver” removed

• Table 10 "Recommended Operating Conditions" on page 8 updated

– USB_VCC Footnote added

• Table 11 "Power Supply Electrical Specifications: Analog and Digital LDOs" on page 8 added

• Table 12 "Power Supply Requirements,," on page 9 updated

• Table 13 "Digital DC Characteristics" on page 9 updated

• Table 14 "Receiver Performance Characteristics" on page 10 updated

• Table 15 "Transmitter Performance Characteristics" on page 11 updated

• Figure 9 "Transceiver Return Loss" on page 14 added

Functional

Description

• Section 7.1.4 "Application with command interface" on page 14 updated

• Section 7.2 "Memory" on page 14 updated

• Section 7.4.3 "Interface Select Inputs (ISEL1, ISEL2)" on page 15 updated

• Section 7.4.4 "Module and LInk Status Outputs" on page 15 updated

• Table 20 "Module / Link Status Definitions" on page 15 updated

Digital Smart

Radio

• Section 8.7 "Receive Signal Strength Indicator (RSSI)" on page 16 updated

• Section 8.11 "FRequency Synthesizers" on page 16 updated

• Section 8.13 "External Crystal Oscillators" on page 16 updated

System Power

Up Sequence

• New in this revision

Integrated

Firmware

• Section 10.1 "Features" on page 21 updated

• Table 25 "Operation Parameters Stored in LMX9820" on page 22 updated

Low Power

Modes

• New in this revision

Command

Interface

• Table 34 "Wake Up Functionality" on page 26 added

• Table 36 "Local Bluetooth Settings" on page 26 updated

• Table 38 "Local Hardware Commands" on page 28 updated

Application|

Information

• Section 14.1 "MATCHING NETWORK" on page 32 updated

• Section 14.2 "FILTERED POWER SUPPLY" on page 32 updated

• Section 14.3 "HOST INTERFACE" on page 32 updated

• Figure 21 "Example System Schematic with pre-selected 115.2kbit/s UART speed" on page 32

updated

Soldering

• Figure 26 "Typical Reflow Profiles" on page 37 updated

LMX9820 Datasheet(PDF) 39 Page - National Semiconductor (TI)

LMX9820 Datasheet(HTML) 39 Page - National Semiconductor (TI)

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