参数资料
型号: MCIMX537CVV8C
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 800 MHz, RISC PROCESSOR, PBGA529
封装: 19 X 19 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, TEPBGA-529
文件页数: 165/172页
文件大小: 4562K
代理商: MCIMX537CVV8C
i.MX53 Applications Processors for Industrial Products, Rev. 3
92
Freescale Semiconductor
Electrical Characteristics
The maximal accuracy of UP/DOWN edge of controls is:
IP5o
Offset of IPP_DISP_CLK
Todicp
DISP_CLK_OFFSET
× Tdiclk
DISP_CLK_OFFSET—offset of
IPP_DISP_CLK edges from local start
point, in DI_CLK
×2
(0.5 DI_CLK Resolution)
Defined by DISP_CLK counter
ns
IP13o Offset of VSYNC
Tovs
VSYNC_OFFSET
× Tdiclk
VSYNC_OFFSET—offset of Vsync edges
from a local start point, when a Vsync
should be active, in DI_CLK
×2
(0.5 DI_CLK Resolution).The
VSYNC_OFFSET should be built by
suitable DI’s counter.
ns
IP8o
Offset of HSYNC
Tohs
HSYNC_OFFSET
× Tdiclk
HSYNC_OFFSET—offset of Hsync edges
from a local start point, when a Hsync
should be active, in DI_CLK
×2
(0.5 DI_CLK Resolution).The
HSYNC_OFFSET should be built by
suitable DI’s counter.
ns
IP9o
Offset of DRDY
Todrdy
DRDY_OFFSET
× Tdiclk
DRDY_OFFSET—offset of DRDY edges
from a suitable local start point, when a
corresponding data has been set on the
bus, in DI_CLK
×2
(0.5 DI_CLK Resolution)
The DRDY_OFFSET should be built by
suitable DI’s counter.
ns
1 Display interface clock period immediate value.
DISP_CLK_PERIOD—number of DI_CLK per one Tdicp. Resolution 1/16 of DI_CLK.
DI_CLK_PERIOD—relation of between programing clock frequency and current system clock frequency
Display interface clock period average value.
2 DI’s counter can define offset, period and UP/DOWN characteristic of output signal according to programed parameters of the
counter. Same of parameters in the table are not defined by DI’s registers directly (by name), but can be generated by
corresponding DI’s counter. The SCREEN_WIDTH is an input value for DI’s HSYNC generation counter. The distance
between HSYNCs is a SCREEN_WIDTH.
Table 60. Synchronous Display Interface Timing Characteristics (Pixel Level) (continued)
ID
Parameter
Symbol
Value
Description
Unit
Tdicp
T
diclk
DISP_CLK_PERIOD
DI_CLK_PERIOD
----------------------------------------------------
×
for integer
DISP_CLK_PERIOD
DI_CLK_PERIOD
----------------------------------------------------
,
T
diclk
floor
DISP_CLK_PERIOD
DI_CLK_PERIOD
----------------------------------------------------
0.5
±
+
for fractional
DISP_CLK_PERIOD
DI_CLK_PERIOD
----------------------------------------------------
,
=
Tdicp
T
diclk
DISP_CLK_PERIOD
DI_CLK_PERIOD
----------------------------------------------------
×
=
Accuracy
0.5
T
diclk
×
() 0.62ns
±
=
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