上海贝岭股份有限公司
Shanghai Belling Co., Ltd.
BL35P02 DATASHEET
0 (clear) – No pull-up resistor is connected to the inputs of PB3.
1 (set) – The internal 25KΩpull-up resistor is connected to the inputs of PB3
.2 PBP2 – PB2 Pull-up
0 (clear) – No pull-up resistor is connected to the inputs of PB2.
1 (set) – The internal 25KΩpull-up resistor is connected to the inputs of PB2
.1 OUTC
0 (clear) – IROUT output logic 0
1 (clear) – IROUT output logic 1
.0 FCAE
0 (clear) - IROUT output without carrier
1 (set) – IROUT output with carrier
6.10 OPTION BIT
OPTION BIT (OPBIT) is a special Byte in OTP ROM and used to config some initial functions for the
device. OPBIT is set when OTP is programming.
.7 ENCR
0: OTP read protection
1: OTP can be read
.6-.3 Reserved
.2-.0 FC[2:0]
FC[2:0] Carrier Divide Ratio Carrier Frequency @ Oscillator frequency
000
001
010
011
100
101
110
111
Fsys/6
38KHz@455KHz OSC
56KHz@4MHz OSC
40KHz@4MHz OSC
38KHz@4MHz OSC
36KHz@4MHz OSC
33KHz@4MHz OSC
31.5KHz@4MHz OSC
27KHz@4MHz OSC
Fsys/36
Fsys/50
Fsys/53
Fsys/56
Fsys/61
Fsys/64
Fsys/74
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