tda6503a NXP Semiconductors, tda6503a Datasheet - Page 10

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

Philips Semiconductors
Table 5 Description of the bits used in Tables 3 and 4
Table 6 Address selection bits (I
Table 7 Test mode bits
Notes
1. This is the default mode at Power-on reset.
2. The ADC input cannot be used when these test modes are active; see Section 8.2.3 for more information.
2001 Aug 22
MA1 and MA0
R/W
N14 to N0
CP
T2, T1 and T0
RSA and RSB
OS
PVHFL, PVHFH, PUHF and FMST
X
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
T2
0
0
0
1
1
1
1
MA1
0
0
1
1
BIT
T1
0
0
1
1
1
0
0
MA0
0
1
0
1
T0
X
0
1
0
1
0
1
2
C-bus mode)
programmable address bits (see Table 6)
logic 0 for write mode
programmable divider bits: N = N14
charge pump current control bit:
test bits (see Table 7)
reference divider ratio select bits (see Table 8)
tuning amplifier control bit:
PMOS ports control bits:
don’t care
0 V to 0.1V
0.2V
0.4V
0.9V
normal mode
normal mode (note 1)
charge pump is off
charge pump is sinking current
charge pump is sourcing current
f
1
REF
2
logic 0: charge pump current is 60 A
logic 1: charge pump current is 280 A (at power-on)
logic 0: tuning voltage is ‘on’ (during normal operating)
logic 1: tuning voltage is ‘off’; high-impedance output of pin VT (at power-on)
logic 0: corresponding buffer is ‘off’ (at power-on)
logic 1: corresponding buffer is ‘on’
f
DIV
CC
CC
CC
is available on pin LOCK/ADC (note 2)
is available on pin LOCK/ADC (note 2)
to 0.3V
to 0.6V
to 1.0V
CC
CC
CC
CC
or open-circuit
10
VOLTAGE APPLIED TO PIN CE/AS
DESCRIPTION
TEST MODE
2
14
+ N13
TDA6502; TDA6502A;
TDA6503; TDA6503A
2
13
+ ... + N1
Product specification
2
1
+ N0