參數(shù)資料
型號(hào)： MC9328MXLCVM15R2
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 150 MHz, RISC PROCESSOR, PBGA256
封裝： 14 X 14 MM, 1.30 MM HEIGHT, 0.80 MM PITCH, ROHS COMPLIANT, MAPBGA-256
文件頁(yè)數(shù)： 64/90頁(yè)
文件大?。?/td> 1242K
代理商： MC9328MXLCVM15R2
Functional Description and Application Information
MC9328MXL Technical Data, Rev. 8
Freescale Semiconductor
67
4.9
Pulse-Width Modulator
The PWM can be programmed to select one of two clock signals as its source frequency. The selected
clock signal is passed through a divider and a prescaler before being input to the counter. The output is
available at the pulse-width modulator output (PWMO) external pin. Its timing diagram is shown in
Figure 51 and the parameters are listed in Table 26.
Figure 51. PWM Output Timing Diagram
12
MS_SDIO output delay time1,2
–3
ns
13
MS_SDIO input setup time for MS_SCLKO rising edge (RED bit = 0)3
18
–
ns
14
MS_SDIO input hold time for MS_SCLKO rising edge (RED bit = 0)3
0–
ns
15
MS_SDIO input setup time for MS_SCLKO falling edge (RED bit = 1)4
23
–
ns
16
MS_SDIO input hold time for MS_SCLKO falling edge (RED bit = 1)4
0–
ns
1 Loading capacitor condition is less than or equal to 30pF.
2 An external resistor (100 ~ 200 ohm) should be inserted in series to provide current control on the MS_SDIO pin,
because of a possibility of signal conflict between the MS_SDIO pin and Memory Stick SDIO pin when the pin
direction changes.
3 If the MSC2[RED] bit = 0, MSHC samples MS_SDIO input data at MS_SCLKO rising edge.
4 If the MSC2[RED] bit = 1, MSHC samples MS_SDIO input data at MS_SCLKO falling edge.
Table 26. PWM Output Timing Parameter Table
Ref No.
Parameter
1.8 ± 0.1 V
3.0 ± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
1
System CLK frequency1
0870
100
MHz
2a
Clock high time1
3.3
–
5/10
–
ns
2b
Clock low time1
7.5
–
5/10
–
ns
3a
Clock fall time1
–5
–
5/10
ns
Table 25. MSHC Signal Timing Parameter Table (Continued)
Ref
No.
Parameter
3.0 ± 0.3 V
Unit
Minimum
Maximum
System Clock
2a
1
PWM Output
3b
2b
3a
4b
4a
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MXL
Product
Family
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