參數(shù)資料
型號: TDA1315
廠商: NXP Semiconductors N.V.
英文描述: Digital audio input/output circuit DAIO
中文描述: 數(shù)字音頻輸入/輸出電路交易代碼
文件頁數(shù): 28/36頁
文件大?。?/td> 411K
代理商: TDA1315
1995 Jul 17
28
Philips Semiconductors
Product specification
Digital audio input/output circuit (DAIO)
TDA1315H
TEST AND APPLICATION INFORMATION
Figures 13 to 15 indicate typical systems environment of the TDA1315H. They are intended to give examples of which
external blocks may be added to compose a system for particular requirements. The loop filter configuration and values
in the examples meet the requirements for mid-end and high-end audio applications.
Test information
Table 12
Test pin functions
Table 13
Implemented test scan chains
TEST PIN
DESCRIPTION
TESTA = 0
TESTA = 1
TESTB = 0
TESTB = 1
TESTC = 0
TESTC = 1
normal application operation
test mode i.e. system clock equals SYSCLKI
normal mode when TESTA = 1
scan mode when TESTA = 1; high-ohmic resistor between RC
fil
and V
ref
pins always disabled
normal operation
CHMODE equals system clock; IECO equals IECIN1 slicer output; RAM test enabled
SCAN NUMBER
LENGTH (BITS)
SCAN INPUT
OUTPUT
ACTIVE EDGE OF
SYSCLKI
1
2
3
4
5
6
7
8
54
54
54
54
53
53
51
31
IECSEL
IECOEN
LADDR
MUTE
LMODE
STROBE
I
2
SSEL
CLKSEL
FS32
FS44
FS48
COPY
CHMODE
UDAVAIL
DEEM
UNLOCK
negative
negative
negative
negative
negative
negative
negative
positive
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