U3742BM Datasheet, PDF (21/32 Pages) ATMEL Corporation – UHF ASK/FSK RECEIVER

U3742BM
Table 7. Effect of the Configuration Word Sleep
Sleep
Sleep4
Sleep3
Sleep2
Sleep1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
.
.
.
.
.
.
.
.
.
.
.
.
0
1
0
1
.
.
.
.
.
.
.
.
.
.
.
.
1
1
1
0
1
1
1
1
1
1
1
1
Sleep0
0
1
0
1
.
.
.
1
.
.
.
1
0
1
Start Value for Sleep Counter
(T_Sleep = Sleep × Xsleep × 1024 × T_Clk)
0 (Receiver is continuously polling until a valid signal occurs)
1 (T_Sleep » 2ms for XSleep = 1 in US/European applications)
2
3
.
.
.
11 (USA: T_Sleep = 22.96 ms, Europe: T_Sleep = 23.31 ms) (Default)
.
.
.
29
30
31 (Permanent sleep mode)
Table 8. Effect of the Configuration Word XSleep
XSleep
XSleep_Std
0
XSleep_Temp
0
0
1
1
0
1
1
Extension Factor for Sleep Time (T_Sleep = Sleep × Xsleep × 1024 × T_Clk)
1 (Default)
8 (XSleep is reset to 1 if bit check fails once)
8 (XSleep is set permanently)
8 (XSleep is set permanently)
Table 9. Effect of the Configuration Word Lim_min
Lim_min
Lim_min < 10 is not applicable
0
0
1
0
1
0
0
0
1
0
1
1
0
0
1
1
0
0
0
0
1
1
0
1
0
0
1
1
1
0
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
1
1
1
0
1
1
1
1
1
1
0
1
1
1
1
1
1
Lower Limit Value for Bit Check
(T_{Lim_min} = Lim_min × XLim × T_Clk)
10
11
12
13
14 (Default)
(USA: T_{Lim_min} = 228 µs, Europe: T_{Lim_min} = 232 µs)
61
62
63
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4735A–RKE–11/03