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: 10/172页
文件大小: 4562K
代理商: MCIMX537CVV8C
Electrical Characteristics
i.MX53 Applications Processors for Industrial Products, Rev. 3
Freescale Semiconductor
107
4.7.11
Pulse Width Modulator (PWM) Timing Parameters
This section describes the electrical information of the PWM. 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.
Figure 62 depicts the timing of the PWM, and Table 68 lists the PWM timing parameters.
Figure 62. PWM Timing
Table 67. WR1 /RD Timing Parameters
ID
Parameter
Symbol
Min
Typ
Max
Unit
OW7
Write 1 Low Time
tLOW1
15
s
OW8
Transmission Time Slot
tSLOT
60
117
120
s
Read Data Setup
tSU
——
1
s
OW9
Read Low Time
tLOWR
15
s
OW10
Read Data Valid
tRDV
—15
s
OW11
Release Time
tRELEASE
0—
45
s
Table 68. PWM Output Timing Parameter
Ref. No.
Parameter
Min
Max
Unit
1
System CLK frequency1
1 CL of PWMO = 30 pF
0
ipg_clk
MHz
2a
Clock high time
12.29
ns
2b
Clock low time
9.91
ns
3a
Clock fall time
0.5
ns
3b
Clock rise time
0.5
ns
4a
Output delay time
9.37
ns
4b
Output setup time
8.71
ns
System Clock
2a
1
PWM Output
3b
2b
3a
4b
4a
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