参数资料
型号: MC9328MXSVP10
厂商: Freescale Semiconductor
文件页数: 49/74页
文件大小: 0K
描述: IC MCU I.MXS 100MHZ 225-MAPBGA
标准包装: 160
系列: i.MXS
核心处理器: ARM9
芯体尺寸: 32-位
速度: 100MHz
连通性: EBI/EMI,I²C,SPI,SSI,UART/USART,USB
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 97
程序存储器类型: ROMless
电压 - 电源 (Vcc/Vdd): 1.7 V ~ 3.3 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 225-LFBGA
包装: 托盘
Functional Description and Application Information
MC9328MXS Technical Data, Rev. 3
Freescale Semiconductor
53
4.4.4
Non-TFT Panel Timing
Figure 33. Non-TFT Panel Timing
4.5
SPI Timing Diagrams
To use the internal transmit (TX) and receive (RX) data FIFOs when the SPI module is configured as a
master, two control signals are used for data transfer rate control: the SS signal (output) and the SPI_RDY
signal (input). The SPI1 Sample Period Control Register (PERIODREG1) can also be programmed to a
fixed data transfer rate. When the SPI module is configured as a slave, the user can configure the SPI1
Control Register (CONTROLREG1) to match the external SPI master’s timing. In this configuration, SS
becomes an input signal, and is used to latch data into or load data out to the internal data shift registers,
as well as to increment the data FIFO. Figure 34 through Figure 38 show the timing relationship of the
master SPI using different triggering mechanisms.
Table 17. Non TFT Panel Timing Diagram
Symbol
Parameter
Allowed Register
Minimum Value1, 2
1 Maximum frequency of LCDC_CLK is 48 MHz, which is controlled by Peripheral Clock Divider Register.
2 Maximum frequency of SCLK is HCLK / 5, otherwise LD output will be wrong.
Actual Value
Unit
T1
HSYN to VSYN delay3
3 VSYN, HSYN and SCLK can be programmed as active high or active low. In the above timing diagram, all
these 3 signals are active high.
0HWAIT2+2
Tpix4
4 Tpix is the pixel clock period which equals LCDC_CLK period * (PCD + 1).
T2
HSYN pulse width
0
HWIDTH+1
Tpix
T3
VSYN to SCLK
0
≤ T3 ≤ Ts5
5 Ts is the shift clock period. Ts = Tpix * (panel data bus width).
T4
SCLK to HSYN
0
HWAIT1+1
Tpix
T1
T2
T4
T3
XMAX
VSYN
SCLK
HSYN
LD[15:0]
T2
T1
Ts
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