RF60 Datasheet, PDF (60/157 Pages) –

RF60 CRYSTAL-LESS SOC TRANSMITTER v1.0
SFR Definition 16.2. FC_INTERVAL
Bit
7
6
5
4
3
2
1
0
Name
RESERVED
FC_INTERVAL[5:0]
Type
R/W
Reset
0
0
SFR Address = 0x9D
Bit Name
Function
7:6 RESERVED RESERVED
5:0
FC_
Frequency Counter Interval.
INTERVAL ^{Controls number of interval clock cycles in an interval.}
[5:0]
n_cycles = (2+fcnt_interval[0])*(2^fcnt_interval[5:1])
Note that fcnt_interval is allowed to take on values no higher than 43. If the number higher than
43 is used then the the interval counted is forced to n_cycles = 1.
XREG Definition 16.3. lFC_COUNT
Bit 22
21
Name
Type
Reset 0
0
...
FC_COUNT[22:0]
R
...
1
0
0
0
XREG Address = 0x4008
Bit
22:0
Name
Function
Frequency Counter Output
FC_COU Counter output value. When the counter is running and the value is read then the
NT [22:0] current on the fly value will be read
Tel: [phone]
Fax: [phone]
60
E-mail: [e-mail] http://www.hoperf.com