參數(shù)資料
型號： MCIMX357DVM5BR2
廠商： Freescale Semiconductor
文件頁數(shù)： 122/147頁
文件大小： 0K
描述： IC MPU I.MX35 400MAPBGA
標準包裝： 1,000
系列： i.MX35
核心處理器： ARM11
芯體尺寸： 32-位
速度： 532MHz
連通性： 1 線，CAN，EBI/EMI，以太網(wǎng)，I²C，MMC，SPI，SSI，UART/USART，USB OTG
外圍設備： DMA，I²S，LCD，POR，PWM，WDT
輸入/輸出數(shù)： 96
程序存儲器類型： ROMless
RAM 容量： 128K x 8
電壓 - 電源 (Vcc/Vdd)： 1.33 V ~ 1.47 V
振蕩器型： 外部
工作溫度： -20°C ~ 70°C
封裝/外殼： 400-LFBGA
包裝： 帶卷 (TR)
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 10
Freescale Semiconductor
76
4.9.13.3.7
Interface to a TV Encoder, Electrical Characteristics
The timing characteristics of the TV encoder interface are identical to the synchronous display
4.9.13.4
Asynchronous Interfaces
This section discusses the asynchronous parallel and serial interfaces.
4.9.13.4.8
Parallel Interfaces, Functional Description
The IPU supports the following asynchronous parallel interfaces:
System 80 interface
— Type 1 (sampling with the chip select signal) with and without byte enable signals.
— Type 2 (sampling with the read and write signals) with and without byte enable signals.
System 68k interface
— Type 1 (sampling with the chip select signal) with or without byte enable signals.
— Type 2 (sampling with the read and write signals) with or without byte enable signals.
For each of four system interfaces, there are three burst modes:
1. Burst mode without a separate clock—The burst length is defined by the corresponding parameters
of the IDMAC (when data is transferred from the system memory) or by the HBURST signal (when
the MCU directly accesses the display via the slave AHB bus). For system 80 and system 68k type
1 interfaces, data is sampled by the CS signal and other control signals change only when transfer
direction is changed during the burst. For type 2 interfaces, data is sampled by the WR/RD signals
(system 80) or by the ENABLE signal (system 68k), and the CS signal stays active during the
whole burst.
2. Burst mode with the separate clock DISPB_BCLK—In this mode, data is sampled with the
DISPB_BCLK clock. The CS signal stays active during whole burst transfer. Other controls are
changed simultaneously with data when the bus state (read, write or wait) is altered. The CS
signals and other controls move to non-active state after burst has been completed.
3. Single access mode—In this mode, slave AHB and DMA burst are broken to single accesses. The
data is sampled with CS or other controls according to the interface type as described above. All
controls (including CS) become non-active for one display interface clock after each access. This
mode corresponds to the ATI single access mode.
Both system 80 and system 68k interfaces are supported for all described modes as depicted in Figure 53,
Figure 54, Figure 55, and Figure 56. These timing images correspond to active-low DISPB_Dn_CS,
DISPB_Dn_WR and DISPB_Dn_RD signals.
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