MCIMX251AJM4AR2 Freescale Semiconductor, MCIMX251AJM4AR2 Datasheet - Page 94
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MCIMX251AJM4AR2
Manufacturer Part Number
MCIMX251AJM4AR2
Description
Processors - Application Specialized IMX25 1.2 AUTO
Manufacturer
Freescale Semiconductor
Datasheet
1.MCIMX251AJM4AR2.pdf
(140 pages)
Specifications of MCIMX251AJM4AR2
Core
ARM926EJ-S
Processor Series
MCIMX25
Maximum Clock Frequency
400 MHz
Instruction / Data Cache Memory
16 KB
Data Ram Size
128 KB
Operating Supply Voltage
1.15 V to 1.52 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
MAPBGA-400
Interface Type
USB
Memory Type
DDR2
Minimum Operating Temperature
- 40 C
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1
3.7.13
Figure 67
The PWM can be programmed to select one of three clock signals as its source frequency. The selected
clock signal is passed through a prescaler before being input to the counter. The output is available at the
pulse width modulator output (PWMO) external pin.
94
T is pixel clock period
VSYNC
HSYNC
HSYNC
LSCLK
T1
T2
T3
T4
T5
T6
ID
OE
LD
depicts the timing of the PWM, and
Pixel clock period
HSYNC width
LD setup time
LD hold time
Delay from the end of HSYNC to the beginning of the OE pulse
Delay from end of OE to the beginning of the HSYNC pulse
Pulse Width Modulator (PWM) Timing Parameters
T2
Line 1
T5
i.MX25 Applications Processor for Automotive Products, Rev. 9
Line 2
T3
T1
Table 72. LCDC TFT Mode Timing Parameters
Figure 66. LCDC TFT Mode Timing Diagram
T4
Description
Table 73
lists the PWM timing characteristics.
Line n
Min.
22.5
1
5
5
3
1
Line 1
Freescale Semiconductor
1000
Ma
—
—
—
—
—
T6
Unit
ns
T
ns
ns
T
T
1
1
1
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