TMS320DM647 datasheet(154/167 Pages) TI

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6.20.3 Timer Electrical Data/Timing

TINPLx

TOUTLx

TMS320DM647/TMS320DM648

Digital Media Processor

SPRS372A – MAY 2007 – REVISED JUNE 2007

Table 6-73. Timer 2 Registers (continued)

HEX ADDRESS RANGE

ACRONYM

DESCRIPTION

0x0204 4C28 - 0x0204 4CFF

Reserved

Table 6-74. Timer 3 Registers

HEX ADDRESS RANGE

ACRONYM

DESCRIPTION

0x0204 5000

Reserved

0x0204 5004

EMUMGT_CLKSPD

Timer 3 Emulation Management/Clock Speed Register

0x0204 5010

TIM12

Timer 3 Counter Register 12

0x0204 5014

TIM34

Timer 3 Counter Register 34

0x0204 5018

PRD12

Timer 3 Period Register 12

0x0204 501C

PRD34

Timer 3 Period Register 34

0x0204 5020

TCR

Timer 3 Control Register

0x0204 5024

TGCR

Timer 3 Global Control Register

0x0204 5000 - 0x0204 50FF

Reserved

Table 6-75. Timing Requirements for Timer Input(1) (see Figure 6-43)

-720

-900

NO.

UNIT

MIN

MAX

tw(TIMIxH)

Pulse duration, TIMIxH high

12P(1)

tw(TIMIxL)

Pulse duration, TIMIxL low

12P

(1)

P = 1/CPU clock frequency in ns.

Table 6-76. Switching Characteristics for Timer Output

over operating free-air temperature range (unless otherwise noted)

-720

-900

NO.

PARAMETER

UNIT

MIN

TYP

MAX

tw(TIMOxH)

Pulse duration, TIMOxH high

12P(1)

tw(TIMOxL)

Pulse duration, TIMOxL low

12P

(1)

P = 1/CPU clock frequency in ns.

Figure 6-43. Timer Timing

154

Peripheral Information and Electrical Specifications

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