TB2132FNG(O,EL) Toshiba, TB2132FNG(O,EL) Datasheet - Page 10

• Manufacturer Part Number: TB2132FNG(O,EL)
• Manufacturer: Toshiba

Specifications of TB2132FNG(O,EL)

• Lead Free Status / Rohs Status: Supplier Unconfirmed

Configuration of Local Oscillator and Programmable Counter
Operate the FM/TV local oscillator at approximately 200 MHz and select the counter input using the following
settings of the bits. Then determine reference frequency and minimum step frequency.
How to Set the Divisor
A divisor of the programmable counter is set in binary using the bits P0 to P16.
1.
2. AM OSC IN (clear the PW bit)
MSB
MSB
P16
P16
2
2
17
12
FM 1/32
FM OSC IN: Pulse swallow mode (set the PW bit)
TV 1/8
TV 1/2
Mode
AM
FM
To MIX
To MIX
Pulse swallow mode (17 bits: FM and TV 1/2 Modes). Please set as shown below.
Divisor range n: 528~131072 (210H to 1FFFH)
Direct divide mode (12 bits: AM, FM 1/32, TV 1/8) please set P4 to P16 as shown below.
Divisor range n: 16~8191 (10H to 1FFFH)
P15
P15
FM/TV OSC
BAND0
P14
P14
1/2
1
0
0
0
0
P13
P13
BAND1
1/16
1/4
0
0
1
0
1
FM/TV 1/2
FM 1/32
P12
P12
TV 1/8
AM
Divide
by 16
0
0
1
1
*
P11
P11
Buff
P10
P10
PW
0
0
0
1
1
AM
TV 1/8
FM
TV 1/2
P9
P9
FM 1/32
AM OSC IN
FM OSC IN
VCO IN
Interna
Counter input
10
P8
P8
AM OSC IN
FM OSC IN
P7
P7
30 MHz~230 MHz
0.1 MHz~40 MHz
Input Frequency
Range
P6
P6
P5
P5
Programmable
LSB
counter
P4
P4
Recommended
2
0
1 k, 3 k, 5 k
Frequency
Reference
12.5 kHz
3.125 k
25 kHz
6.25 k
P3
P3
TB2132FNG
P2
P2
Minimum Step
[Irrelevant]
2006-04-11
1 k, 3 k, 5 k
Frequency
50 kHz
50 kHz
25 kHz
25 kHz
P1
P1
LSB
P0
P0
2
0