MC44829 Datasheet, PDF (2/10 Pages) Motorola, Inc – TV AND VCR I2C PLL TUNING CIRCUIT WITH 1.3 GHz PRESCALER AND MIX/OSC DECODER

MC44829
Representative Block Diagram
VTUN VCC2
VCC1
5.0 V 5
Fout
Test
Fref
Logic
Gnd
2
DEC
12
Mixer/Oscillator
Band Decoder
DTB1
9
CA
SDA ¹¹
SCL ¹⁰
P–On
Reset
I2C Bus
Receiver
DTB2
POR
CL
Data
RL
DTF
3
HF1 ₄
HF2
Preamp
÷8
Prescaler
Bands Out
RL
CL
876
1
B6 B5 B4
Buffers
Latches
T13
T8
T9, T12, T14
T10, T11
Latches
2.7 V
Operational
Amplifier
14
PHO
Phase
Comp
Fout
Fref
3
7
Shift Register
15 Bit
Latches A
Latches B
Program Divider
15 Bit
512/1024
Ref
Divider
Osc
TDI
13 Xtal
12 pF
3.2/4.0
MHz
Latch Control
Fout
DTS, EN
This device contains 3,204 active transistors.
2
MOTOROLA ANALOG IC DEVICE DATA