參數(shù)資料
型號: MCIMX537CVV8C
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封裝: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件頁數(shù): 170/172頁
文件大小: 4562K
代理商: MCIMX537CVV8C
Electrical Characteristics
i.MX53 Applications Processors for Industrial Products, Rev. 3
Freescale Semiconductor
97
4.7.8.8
Asynchronous Interfaces
The following sections describes the types of asynchronous interfaces.
4.7.8.8.1
Standard Parallel Interfaces
The IPU has four signal generator machines for asynchronous signal. Each machine generates IPU’s
internal control levels (0 or 1) by UP and DOWN that are defined in registers. Each asynchronous pin has
a dynamic connection with one of the signal generators. This connection is redefined again with a new
display access (pixel/component). The IPU can generate control signals according to system 80/68
requirements. The burst length is received as a result from predefined behavior of the internal signal
generator machines.
The access to a display is realized by the following:
CS (IPP_CS) chip select
WR (IPP_PIN_11) write strobe
RD (IPP_PIN_12) read strobe
RS (IPP_PIN_13) Register select (A0)
Both system 80 and system 68k interfaces are supported for all described modes as depicted in Figure 52,
Figure 53, Figure 54, and Figure 55. The timing images correspond to active-low IPP_CS, WR and RD
signals.
Each asynchronous access is defined by an access size parameter. This parameter can be different between
different kinds of accesses. This parameter defines a length of windows, when suitable controls of the
current access are valid. A pause between two different display accesses can be guaranteed by programing
suitable access sizes. There are no minimal/maximal hold/setup times hard defined by DI. Each control
signal can be switched at any time during access size.
Chroma/Luma Delay Inequality
1.0
±ns
VIDEO PERFORMANCE IN HD MODE2
Luma Frequency Response
0-30 MHz
–0.2
0.2
dB
Chroma Frequency Response
0-15 MHz,
YCbCr 422 mode
–0.2
0.2
dB
Luma Nonlinearity
3.2
%
Chroma Nonlinearity
3.4
%
Luma Signal-to-Noise Ratio
0-30 MHz
62
dB
Chroma Signal-to-Noise Ratio
0-15 MHz
72
dB
1 Guaranteed by design.
2 Guaranteed by characterization.
Table 62. TV Encoder Video Performance Specifications (continued)
Parameter
Conditions
Min
Typ
Max
Unit
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MCIMX53EVK 制造商:Freescale Semiconductor 功能描述:
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