TMS320DM643 datasheet(141/160 Pages) TI

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5.15.3

EMAC Electrical Data/Timing

MRCLK

MTCLK

TMS320DM643

Video/Imaging Fixed-Point Digital Signal Processor

SPRS269A – FEBRUARY 2005 – REVISED APRIL 2005

Table 5-63. EWRAP Registers

HEX ADDRESS RANGE

ACRONYM

01C8 3000

EWTRCTRL

TR control

01C8 3004

EWCTL

Interrupt control register

01C8 3008

EWINTTCNT

Interrupt timer count

01C8 300C – 01C8 37FF

–

Reserved

Table 5-64. Timing Requirements for MRCLK (see Figure 5-57)

–500

–600

NO.

UNIT

MIN

MAX

tc(MRCLK)

Cycle time, MRCLK

tw(MRCLKH)

Pulse duration, MRCLK high

tw(MRCLKL)

Pulse duration, MRCLK low

Figure 5-57. MRCLK Timing (EMAC – Receive)

Table 5-65. Timing Requirements for MTCLK (see Figure 5-57)

–500

–600

NO.

UNIT

MIN

MAX

tc(MTCLK)

Cycle time, MTCLK

tw(MTCLKH)

Pulse duration, MTCLK high

tw(MTCLKL)

Pulse duration, MTCLK low

Figure 5-58. MTCLK Timing (EMAC – Transmit)

DM643 Peripheral Information and Electrical Specifications

141

TMS320DM643 데이터시트(PDF) 141 Page - Texas Instruments

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