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參數(shù)資料
| 型號(hào)： | CS4954-CQZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁(yè)數(shù)： | 29/60頁(yè) |
| 文件大小： | 0K |
| 描述： | IC VIDEO ENCODER NTSC/PAL 48TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類型： | 視頻編碼器 |
| 電壓 - 電源，模擬： | 3.15 V ~ 5.25 V |
| 電壓 - 電源，數(shù)字： | 3.15 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP（7x7） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 759 (CN2011-ZH PDF) |
| 配用： | CDB4955A-ND - EVALUATION BOARD FOR CS4955A |
| 其它名稱： | 598-1682 |
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CS4954 CS4955
DS278F6
35
must be tied to ground. PDAT [7:0] are available to
be used for GPIO operation in IC host interface
mode. For 3.3 V operation it is necessary to have
the appropriate level shifting for IC signals.
8.1.2 8-bit Parallel Interface
The CS4954/5 is equipped with a full 8-bit parallel
microprocessor write and read control port. Along
with the PDAT [7:0] pins, the control port interface
is comprised of host read (RD) and host write (WR)
active low strobes and host address enable
(ADDR), which, when low, enables unique address
register accesses. The control port is used to access
internal registers which configure the CS4954/5 for
various modes of operation. The internal registers
are uniquely addressed via an address register. The
address register is accessed during a host write cy-
cle when the WR and ADDR pins set low. Host
write cycles with ADDR set high will write 8-bit
data to the PDAT [7:0] pins into the register cur-
rently selected by the address register. Likewise
read cycles occuring with RD set low and ADDR
set high will return the register contents selected by
the address register. Reference the detailed electri-
cal timing parameter section of this data sheet for
exact host parallel interface timing characteristics
and specifications.
SDA
SCL
A
P
Start
Address
1-7
R/W
8
9
ACK
1-7
Data
89
1-7
8
9
ACK
Data ACK
Stop
Note: IC transfers data always with MSB first, LSB last
Figure 26. IC Protocol
Trec
WR
RD
Figure 27. 8-bit Parallel Host Port Timing: Read-Write/Write-Read Cycle
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS4954-CQZR | 功能描述:視頻 IC IC NTSC/PAL Digital Video Encoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| CS4955 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:NTSC/PAL Digital Video Encoder |
| CS4955-CQ | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:NTSC/PAL Digital Video Encoder |
| CS4955-CQZ | 功能描述:視頻 IC IC NTSC/PAL Digital Video Encoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| CS4955-CQZR | 功能描述:視頻 IC IC NTSC/PAL Digital Video Encoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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