TDA6500 Datasheet, PDF (3/37 Pages) NXP Semiconductors – 5 V mixer/oscillator and synthesizer for PAL and NTSC standards

Philips Semiconductors
5. Block diagram
TDA6500; TDA6501
5 V mixer/oscillator and synthesizer for PAL and NTSC standards
V_CC
10 (23)
V_CC
STABILIZER
V_STAB
AL0, AL1,
AL2
ATC
AGC
DETECTOR
AGC
SAW
DRIVER
(8) 25
(6) 27
(5) 28
AGC
IFFIL1
IFFIL2
(21) 12
(22) 11
IFOUT
IFGND
LBIN
RFGND
30 (3)
29 (4)
RF INPUT
LOW
P0
MHBIN1
MHBIN2
31 (2)
32 (1)
RF INPUT
MID + HIGH
P1 + P0 . P1
XTAL
14 (19)
CRYSTAL
OSCILLATOR
PLLGND
13 (20)
TDA6500TT
(TDA6501TT)
SCL
SDA
AS
20 (13)
19 (14)
21 (12)
MIXER
LOW
LOW
OSCILLATOR
P0
MID
OSCILLATOR
(31) 2
(32) 1
(30) 3
(29) 4
(28) 5
LOSCOUT
LOSCIN
OSCGND
MOSCOUT
MOSCIN
MIXER
MID + HIGH
P1
HIGH
OSCILLATOR
(27) 6
(26) 7
(25) 8
(24) 9
REFERENCE
DIVIDER
f_ref
64, 80, 128
RSA
RSB
PHASE
COMPARATOR
CHARGE
PUMP
15-BIT
PROGRAMMABLE
DIVIDER
f_div
T0, T1, T2
CP
LOCK
FL
DETECTOR
P0 . P1
OPAMP
V_ref
OS
(17) 16
(18) 15
15-BIT
FREQUENCY
REGISTER
CONTROL
REGISTER
HOSCIN1
HOSCOUT2
HOSCOUT1
HOSCIN2
CP
VT
I²C-BUS
TRANSCEIVER
1 CP T2 T1 T0 RSA RSB OS
AUXILIARY
REGISTER
STATUS
REGISTER
POR FL AGC
POWER
ON RESET
3-BIT ADC
f_ref
f_div
GATE
T0, T1, T2
18 (15)
P6/ADC
ATC AL2 AL1 AL0 0 0 0 0
BAND SWITCH
REGISTER
P6
17 22 26 24 23
0
0
(16) (11) (7) (9) (10) _mce149
P4 P3 P2 P1 P0
Fig 1. Block diagram
9397 750 15057
Product data sheet
Rev. 02 — 14 June 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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