U3741BM Datasheet, PDF (19/32 Pages) ATMEL Corporation – UHF ASK RECEIVER IC

U3741BM
Table 5. Effect of the Configuration Word N_Bitcheck
N_Bitcheck
BitChk1
BitChk0
0
0
0
1
1
0
1
1
Number of Bits to be Checked
0
3
6 (Default)
9
Table 6. Effect of the Configuration Bit VPOUT
VPOUT
POUT
0
1
Level of the Multi-purpose Output Port POUT
0 (Default)
1
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
Start Value for Sleep Counter (T_Sleep = Sleep × X_Sleep × 1024 × T_Clk)
0 (Receiver is continuously polling until a valid signal occurs)
1 (T_Sleep ≈ 2ms for X_Sleep = 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 X_Sleep
X_Sleep
X_SleepStd
X_SleepTemp
0
0
0
1
1
0
1
1
Extension Factor for Sleep Time (T_Sleep = Sleep × X_Sleep × 1024 × T_Clk)
1 (Default)
8 (X_Sleep is reset to 1 if bit check fails once)
8 (X_Sleep is set permanently)
8 (X_Sleep is set permanently)
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4662B–RKE–10/04