TMP320C2811PBKA datasheet(103/147 Pages) TI

103 / 147 page

Electrical Specifications

103

June 2004

SPRS257

PWM§

TxCTRIP, CxTRIP,

PDPINTx‡

XCLKOUT†

tw(PDP), tw(CxTRIP), tw(TxCTRIP)

td(PDP-PWM)HZ, td(TRIP-PWM)HZ

XNMI, XINT1, XINT2

tw(INT)

Interrupt Vector

td(INT)

† XCLKOUT = SYSCLKOUT

‡ TxCTRIP − T1CTRIP, T2CTRIP, T3CTRIP, T4CTRIP

CxTRIP − C1TRIP, C2TRIP, C3TRIP, C4TRIP, C5TRIP, or C6TRIP

PDPINTx − PDPINTA or PDPINTB

§ PWM refers to all the PWM pins in the device (i.e., PWMn and TnPWM pins or PWM pin pair relevant to each CxTRIP pin). The

state of the PWM pins after PDPINTx is taken high depends on the state of the FCOMPOE bit.

A0−A15

Figure 6−17. External Interrupt Timing

6.17 General-Purpose Input/Output (GPIO) − Output Timing

Table 6−18. General-Purpose Output Switching Characteristics

PARAMETER

MIN

MAX

UNIT

Delay time XCLKOUT high to GPIO low/high

All GPIOs

1 * t

cycle

td(XCOH-GPO)

Delay time, XCLKOUT high to GPIO low/high

All GPIOs

1 * tc(SCO)

cycle

tr(GPO)

Rise time, GPIO switching low to high

All GPIOs

tf(GPO)

Fall time, GPIO switching high to low

All GPIOs

fGPO

Toggling frequency, GPO pins

MHz

td(XCOH-GPO)

GPIO

XCLKOUT

tr(GPO)

tf(GPO)

Figure 6−18. General-Purpose Output Timing

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