MCIMX503CVM8B datasheet(85/136 Pages) NXP

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Electrical Characteristics

i.MX50 Applications Processors for Consumer Products, Rev. 7

Freescale Semiconductor

Figure 45. Read Sequence Timing Diagram

4.9.7

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 46 depicts the timing of the PWM, and Table 63 lists the PWM timing parameters.

Figure 46. PWM Timing

Table 62. WR1 /RD Timing Parameters

Parameter

Symbol

Min

Typ

Max

Unit

OW7

Write 1 Low Time

tLOW1

µs

OW8

Transmission Time Slot

tSLOT

117

120

µs

—

Read Data Setup

tSU

——

µs

OW9

Read Low Time

tLOWR

µs

OW10

Read Data Valid

tRDV

—15

—

µs

OW11

Release Time

tRELEASE

0—

µs

tSU

OW8

OW10

One-Wire bus

(BATT_LINE)

OW9

OW11

System Clock

PWM Output

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