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參數(shù)資料
| 型號： | HDMP-1022 |
| 英文描述： | Audio Power Amplifier; Speaker Channels:Mono; Headphone Channels:Mono; Output Power, Po:2W; Load Impedance Min:8ohm; Supply Voltage Max:24V; Supply Voltage Min:6V |
| 中文描述： | 低成本千兆速率發(fā)送/接收芯片組配備TTL的I / O |
| 文件頁數(shù)： | 9/40頁 |
| 文件大?。?/td> | 321K |
| 代理商： | HDMP-1022 |
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HDMP-1022 (Tx) Timing
Figure 6 shows the Tx timing
diagram. Under normal
operations, the Tx PLL locks an
internally generated clock to the
incoming STRBIN. The incoming
data, D0-D19, ED, FF, DAV*,
CAV*, and FLAG, are latched by
this internal clock. For
MDFSEL=0, the input rate of
STRBIN is expected to be the
same as the parallel data rate. For
MDFSEL=1, STRBIN should be
1/2 of the incoming parallel data
rate. The data must be valid
before it’s sampled for a set-up
time (t
s
), and remain valid after
it’s sampled for a hold time (t
h
).
In single frame mode
(MDFSEL=0), t
s
and t
h
are
referenced to the rising edge of
STRBIN. In double frame mode
(MDFSEL=1), t
s
and t
h
are
referenced to half the frame
period from the rising or falling
edge of STRBIN plus 4 ns.
STRBOUT appears after this
reference with a delay of
T
strb
.
The rate of STRBOUT is always
the same as the word rate of the
incoming data, independent of
MDFSEL.
The start of a frame, D0, in the
high speed serial output occurs
after a delay of t
d
after the rising
edge of the STRBIN. The typical
value of t
d
may be calculated by
using the following formula.
Figure 6. HDMP-1022 (Tx) Timing Diagram.
HDMP-1022 (Tx) Timing Characteristics
Tc = 0
°
C to +85
°
C, V
CC
= 4.5 V to 5.5 V
Symbol
t
s
Setup Time, for D
0
-D
19
Relative to Rising Edge of STRBIN,
ED, FF, DAV*, CAV* and FLAG
t
h
Hold Time, for D
0
-D
19
Relative to Rising Edge of STRBIN,
ED, FF, DAV*, CAV* and FLAG
T
strb
STRBOUT - STRBIN Delay at 64 MHz in 20-bit Mode
Parameter
Units
nsec
Min.
2.0*
Typ.
Max.
nsec
2.0*
nsec
4.0
*In double frame mode, due to the internal clock delay, t
s
and t
h
are referenced to half the frame period plus 4 ns from the rising or
falling edge of STRBIN.
1/2 FRAME PERIOD
t
s
t
h
t
strb
t
d
D-FIELD
C-FIELD
STRBIN
MDFSEL = 0
STRBIN
MDFSEL = 1
D00 - D19
ED, FF
DAV*, CAV*
FLAG
STRBOUT
DOUT
HCLK
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相關(guān)代理商/技術(shù)參數(shù) |
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| HDMP-1024 | 制造商:AGILENT 制造商全稱:AGILENT 功能描述:Low Cost Gigabit Rate Transmit/Receive Chip Set with TTL I/Os |
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| HDMP-1034A | 制造商:HP 制造商全稱:Agilent(Hewlett-Packard) 功能描述:Transmitter/Receiver Chip Set |
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