WT21(2010) 查看數據表（PDF） - Unspecified

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WT21
(Rev.:2010)

Bluetooth® HCI Module

Unspecified 

VERSION HISTORY

Version

Comment

0.1

First draft

0.2

Block diagram, descriptions added

0.3

Preliminary version

0.4

Fixed ordering codes added captions

0.5

Power control and regulation info added. Layout guide updated.

Minor updates and fixes.

1.0

Electrical characteristic added. Some minor updates.

1.1

Function of the regulator enable pin corrected. Some minor

updates.

1.2

New template

1.3

Pinout fixed (GND pins 1 – 3 removed, pin 23 grounded). Layout

guide updated.

1.4

Improved dimensions chapter

1.41

Table 5 fixed (pad types)

1.5

Footprint added

1.6

Footprint fixed. Pin number 3 (NC) added.

1.7

Recommended PCB land pattern for WT21-N added, power control

and regulation updated. Certification information added

1.71

Information about qualified antenna types added

1.72

Minor updates to chapter 14.5

1.73

Physical dimensions corrected

1.74

UART directions clarified to table 5

Bluegiga Technologies Oy

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