tda6503a NXP Semiconductors, tda6503a Datasheet - Page 32

• Manufacturer Part Number: tda6503a
• Description: 5 V Mixers/oscillators And Synthesizers For Cable Tv And Vcr 2-band Tuners
• Manufacturer: NXP Semiconductors

Philips Semiconductors
13.6.3
Conditions:
Table 29 27-bit sequence
To change the oscillator frequency to 600 MHz in 50 kHz steps a 19-bit sequence or an 18-bit sequence can be used.
The charge pump current remains at 60 A.
Table 30 Changing frequency with a 19-bit sequence
Table 31 Changing frequency with an 18-bit sequence
2001 Aug 22
PORT BITS
1 0 0 0
f
Port register PUHF is ‘on’
Reference divider is set at 80
I
No test function.
1
1
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
osc
CP
= 60 A
= 750 MHz
PORT BITS
PORT BITS
0
0
27-
BIT SEQUENCE
14 13 12 11 10 9
0
0
0
1
0
0
1
14
13
0
1
1
0
FREQUENCY DATA BITS
13
1
12
0
1
12
0
11
8
0
1
7
1
11
1
10
1
6
0
10
1
5
0
9
1
4
1
32
FREQUENCY DATA BITS
9
1
FREQUENCY DATA BITS
8
0
3
1
8
0
2
0
7
1
1
0
7
1
6
1
0
0
1
6
X CP T2 T1 T0 RSA RSB OS
1
5
1
TDA6502; TDA6502A;
0
TDA6503; TDA6503A
5
1
CONTROL DATA BITS
0
4
0
4
0
0
3
0
3
0
1
Product specification
0
2
2
0
0
1
0
1
0
0
0
0
0
0
0