參數(shù)資料
型號: SAA7380GP
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Error correction and host interface IC for CD-ROM ELM
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 54/60頁
文件大?。?/td> 227K
代理商: SAA7380GP
1996 Apr 25
54
Philips Semiconductors
Preliminary specification
Error correction and host interface IC for
CD-ROM (ELM)
SAA7380
11.8
Crystal oscillator
The crystal oscillator is a conventional 2 pin design operating at 15 to 35 MHz. This oscillator is also capable of operating
with a ceramic resonator. It is capable of oscillating with both fundamental and third overtone mode crystals. External
components should be used to suppress the fundamental output of the third overtone types as illustrated in Fig.25.
Fig.24 Pseudo 16-bit DMA read transfer.
handbook, full pagewidth
MGE212
t0
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10
read data
valid
(HD0 to HD7)
HRD
DMACK
DMARQ
HFBC
HFBLB
first byte
last byte
Fig.25 Crystal oscillator circuit.
handbook, halfpage
MGE213
100 k
470
1 nF
10 pF
10 pF
25 MHz
3.3
μ
H
OSCILLATOR
CROUT
CRIN
3rd overtone only
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