tsa5520 NXP Semiconductors, tsa5520 Datasheet - Page 5

• Manufacturer Part Number: tsa5520
• Description: 1.3 Ghz Universal Bus-controlled Tv Synthesizer
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1996 Oct 10
handbook, full pagewidth
1.3 GHz universal bus-controlled
TV synthesizer
XTAL
SDA
SCL
SW
RF
CE
1
16
13
14
15
11
TSA5520
TSA5521
OSCILLATOR
I C/3-WIRE BUS
AMP
XTAL
2
POWER-ON
RECEIVER
RESET
PRESCALER
512/640/1024
DIVIDE-BY-8
DIVIDER
RSA
V CC2
RSB
4
BS1
4-BIT BAND SWITCH
15-BIT FREQUENCY
PROGRAMMABLE
8
REGISTER
REGISTER
DIVIDER
15-BIT
BS2
Fig.1 Block diagram.
7
BS3
6
5
BS4
5
f ref
f div
GATE
LOCK
COMPARATOR
T2,T1,T0
DETECTOR
RSA,RSB
IN-LOCK
DIGITAL
PHASE
7-BIT CONTROL
T2,T1,T0
REGISTER
TSA5520; TSA5521
CHARGE
PUMP
CP
LOGIC
AMP
Product specification
OS
MKA965
10
12
9
3
2
V CC1
LOCK
V tune
CP
V EE