參數(shù)資料
型號: TC9324F
廠商: Toshiba Corporation
英文描述: Single-Chip DTS Microcontroller (DTS-20)
中文描述: 單芯片微丘(丘- 20)
文件頁數(shù): 44/101頁
文件大?。?/td> 1831K
代理商: TC9324F
TC9324F
2002-02-08
44
2. Setting Division Method
The HF and FM bits select the pulse swallow or direct division method.
The power control (PW) controls the amp and prescaler (1/2
+
1/1516) gain. Set the power bit for each
mode as in the following table.
As the table shows, there are five methods.
Mode
HF
PW
FM
Division method
Reception
band example
Operating frequency
range
Input pin
Frequency
(Note)
LF
0
*
0
Direct division method
MW/LW
0.5~20 MHz
HF
1
*
0
SW
1~30 MHz
AMin
FM2
0
1
1
10~60 MHz
FM1
0
0
1
(1/1516) pulse swallow
method
50~140 MHz
n
FM2
1
1
1
10~60 MHz
FM1
1
0
1
FM
50~140 MHz
VHF
1
0
1
(1/2
+
1/1516) pulse
swallow method
TV
(1 ch~12 ch)
50~230 MHz
FMin
2
n
Note: n indicates the programmed divider value.
3. Setting Frequency
The programmable counter frequency is set in bits P0 to P16 using a binary value.
Pulse swallow method (17 bits)
Direct division method (13 Bits)
P16 P15 P14 P13 P12 P11 P10
2
16
Frequency setting range (n
=
210H to 1FFFFH (528 to 131071))
P9
P8
P7
P6
P5
P4
P3
P2
P1
P0
2
0
LSB
MSB
P16 P15 P14 P13 P12 P11 P10
2
12
Frequency setting range (n
=
10H to 1FFFH (16 to 8191))
P9
P8
P7
P6
P5
P4
2
0
P3
P2
P1
P0
Don’t care
LSB
MSB
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