U3741BM Datasheet, PDF (15/25 Pages) ATMEL Corporation – UHF ASK RECEIVER IC

Table 7. Effect of the configuration word Sleep
Sleep
Sleep4
Sleep3 Sleep2 Sleep1 Sleep0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
0
1
0
1
1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
U3741BM
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 bitcheck 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
1
0
1
0
0
1
1
0
0
0
1
1
0
0
0
1
1
1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
1
1
1
0
1
1
1
1
1
1
1
1
1
1
Lower Limit Value for Bitcheck
(T_{Lim_min} = Lim_min × XLim × T_Clk)
0
10
1
11
0
12
1
13
0
14 (Default)
(USA: T_{Lim_min} = 228 µs, Europe: T_{Lim_min} = 232 µs)
.
.
.
1
61
0
62
1
63
Rev. A1, 15-Oct-98
Preliminary Information
15 (25)