WT21-A-HCI 데이터 시트보기 (PDF) - Unspecified

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WT21-A-HCI

BLUETOOTH HCI MODULE

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VERSION HISTORY

Version

Comment

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

1.8

Physical dimensions updated and recommended PCB land patterns

corrected

1.81

Table 5 corrected.

1.82

Layout guide for WT21-N

1.83

Temperature range

1.84

MSL updated to MSL1 (was MSL3)

Bluegiga Technologies Oy

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