參數(shù)資料
型號(hào): SAA7284ZP
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Terrestrial digital sound decoder for conventional intercarrier PLL-IF systems
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP52
封裝: 0.600 INCH, PLASTIC, SOT-247-1, SDIP-52
文件頁(yè)數(shù): 11/40頁(yè)
文件大小: 182K
代理商: SAA7284ZP
1996 Oct 24
11
Philips Semiconductors
Preliminary specification
Terrestrial digital sound decoder for
conventional intercarrier PLL-IF systems
SAA7284
Fig.4 Flow diagram showing SAA7284 automatic muting function.
(1) Indicating that a mute may occur when user returns to NICAM source.
handbook, full pagewidth
MGB465
DUAL MONO MODE
LEFT = RIGHT = M1
SELECTED
SOUND APPLICATION
DUAL MONO
ERROR_COUNT
ERROR_MAX
EXT or FM INPUT
SWITCHED IN
C4ov BIT = 0
Output is
unchanged
AM bit = LOW
MUTEB pin = HIGH
Output is
unchanged
AM bit = HIGH
MUTEB pin = LOW
(1)
(1)
RSSF = 1
Output is switched
to FM input
AM bit = HIGH
MUTEB pin = LOW
Output is
unchanged
AM bit = LOW
MUTEB pin = HIGH
Output is
unchanged
AM bit = LOW
MUTEB pin = HIGH
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
When error_count is less
than error_min, the output
is switched back to NICAM
and AM bit = LOW,
MUTEB pin = HIGH
When error_count is
less than error_min,
AM bit = LOW,
MUTEB pin = HIGH
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