tda9610h NXP Semiconductors, tda9610h Datasheet - Page 11

• Manufacturer Part Number: tda9610h
• Description: Audio Fm Processor For Vhs Hi-fi Audio
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Control byte
Table 3 Bits of control byte
Table 4 Bits IPAF and RAF
Notes
1. The RAF bit can be overruled externally by applying a low-ohmic voltage to the RAF I/O (pin 14) either logic 0 or
2. The two record modes are equal, only differing in their reaction to forcing RAF LOW at the RAF I/O pin; the status of
Table 5 Bit NTSC
Table 6 Bit PAFM
Note
1. Bit PAFM has the same effect as the internally generated mute signal from the modem part when no FM carrier is
Table 7 Bit MUTE
1995 Mar 21
IPAF
RAF
NTSC
PAFM
MUTE
Audio FM processor for VHS hi-fi audio
logic 1 (0 or +5 V). The actual mode of the IC is determined by the level measured at this pin.
the IPAF bit determines whether the IC is switched to the playback or loop-through mode.
detected during playback mode. If one (or both) of these signals is HIGH, the audio signal coming from the modem
is muted.
IPAF
0
1
0
1
PAFM
MUTE
NTSC
BIT
0
1
0
1
0
1
(1)
RAF
0
0
1
1
(1)
Inverse Playback Audio FM; see Table 4
Record Audio FM; see Table 4
National Television Standards Committee; television standard; see Table 5
Playback Audio FM Mute; see Table 6
Mute; see Table 7
playback
loop-through
record
record
(2)
(2)
PB mute
full mute
MODE
MODE
MODE
MODE
NTSC
PAL
11
NR and modem in playback mode
NR in record mode; modem not active [por]
NR and modem in record mode
NR and modem in record mode
modem set to PAL carrier frequencies [por]
modem set to NTSC carrier frequencies
the signal from the modem is muted in playback mode
all audio outputs are muted [por]
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
Product specification
TDA9610H