TDA4655 Datasheet, PDF (4/17 Pages) NXP Semiconductors – Generic multi-standard decoder

Philips Semiconductors
Generic multi-standard decoder
PINNING
SYMBOL
−(R−Y)o
DEEM
−(B−Y)o
CFOB
GND₁
GND₂
I_REF
V_P1
V_P2
CFOR
CHR_I
C_ACC
HUE
N_IDT
P_IDT
OSC₁
PLL
OSC₂
2FSC
N_O1
N_O2
SEC_O
PAL_O
SC
PIN
DESCRIPTION
1 colour difference signal output −(R−Y)* for baseband
delay line
2 external capacitor for SECAM de-emphasis
3 colour difference signal output −(B−Y)* for baseband
delay line
4 external capacitor SECAM demodulator control (B−Y)
Channel
5 ground
6 ground
7 external resistor for SECAM oscillator
8 supply 8 V
9 supply 8 V
10 external capacitor SECAM demodulator control (R−Y)
Channel
11 chrominance signal input
12 external capacitor for ACC control
13 input for HUE control and service switch
14 external capacitor for identification circuit (NTSC)
15 external capacitor for identification circuit (PAL and
SECAM)
16 PAL crystal
17 external loop filter
18 NTSC crystal
19 2 × f_SC output
20 standard setting input/output for NTSC 4.43
21 standard setting input/output for NTSC 3.58
22 standard setting input/output for SECAM
23 standard setting input/output for PAL
24 sandcastle input
Preliminary specification
TDA4655
Fig.2 Pin configuration.
June 1993
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