mcimx50 Freescale Semiconductor, Inc, mcimx50 Datasheet - Page 82
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mcimx50
Manufacturer Part Number
mcimx50
Description
I.mx50 Applications Processors For Consumer Products
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MCIMX50.pdf
(120 pages)
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Electrical Characteristics
4.9.7
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 46
82
OW7
OW8
—
OW9
OW10
OW11
One-Wire bus
(BATT_LINE)
ID
depicts the timing of the PWM, and
Pulse Width Modulator (PWM) Timing Parameters
Write 1 Low Time
Transmission Time Slot
Read Data Setup
Read Low Time
Read Data Valid
Release Time
System Clock
PWM Output
i.MX50 Applications Processors for Consumer Products, Rev. 0
Parameter
t
SU
OW9
Figure 45. Read Sequence Timing Diagram
Table 59. WR1 /RD Timing Parameters
OW10
Figure 46. PWM Timing
2a
4a
Table 60
2b
OW8
t
Symbol
RELEASE
t
t
OW11
t
LOWR
LOW1
t
SLOT
t
RDV
SU
lists the PWM timing parameters.
1
3a
Min
60
—
—
1
1
0
Typ
117
15
—
—
3b
5
5
4b
Freescale Semiconductor
Max
120
15
15
45
—
1
Unit
µs
µs
µs
µs
µs
µs