RFM22 Datasheet, PDF (116/150 Pages) –

RFM22
Register 51h. Digital Test Bus Select
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name Reserved ensctest
dtb[5:0]
Type
R/W
R/W
R/W
Reset value = 00000000
Bit
Name
7
Reserved
6
ensctest
5:0
dtb[5:0]
Function
Reserved.
Scan Test Enable.
When set to 1 then GPIO0 will be the ScanEn input.
Digital Test Bus.
GPIO must be configured to Digital Test Mux output.
Table 36. Internal Digital Signals Available on the Digital Test Bus
116
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