Texas Instruments Digital Signal Processor SM320F2812-HT - Manual (Page 53)

SM320F2812-HT
www.ti.com SGUS062B – JUNE 2009 – REVISED JUNE 2011
4.2 Event Manager Modules (EVA, EVB)
The event-manager modules include general-purpose (GP) timers, full-compare/PWM units, capture units,
and quadrature-encoder pulse (QEP) circuits. EVA and EVB timers, compare units, and capture units
function identically. However, timer/unit names differ for EVA and EVB.
Table 4-2 shows the module and
signal names used. Table 4-2 shows the features and functionality available for the event-manager
modules and highlights EVA nomenclature.
Event managers A and B have identical peripheral register sets with EVA starting at 7400h and EVB
starting at 7500h. The paragraphs in this section describe the function of GP timers, compare units,
capture units, and QEPs using EVA nomenclature. These paragraphs are applicable to EVB with regard to
function
— however, module/signal names would differ. Table 4-3 lists the EVA registers. For more
information, see the TMS320x281x DSP Event Manager (EV) Reference Guide ( SPRU065 ).
Table 4-2. Module and Signal Names for EVA and EVB
EVA EVB
EVENT MANAGER MODULES
MODULE SIGNAL MODULE SIGNAL
GP Timer 1 T1PWM/T1CMP GP Timer 3 T3PWM/T3CMP
GP Timers
GP Timer 2 T2PWM/T2CMP GP Timer 4 T4PWM/T4CMP
Compare 1 PWM1/2 Compare 4 PWM7/8
Compare Units Compare 2 PWM3/4 Compare 5 PWM9/10
Compare 3 PWM5/6 Compare 6 PWM11/12
Capture 1 CAP1 Capture 4 CAP4
Capture Units Capture 2 CAP2 Capture 5 CAP5
Capture 3 CAP3 Capture 6 CAP6
QEP1 QEP3
QEP1 QEP3
QEP Channels QEP2 QEP4
QEP2 QEP4
QEPI1 QEPI2
Direction TDIRA Direction TDIRB
External Clock Inputs
External Clock TCLKINA External Clock TCLKINB
C1TRIP C4TRIP
External Trip Inputs Compare C2TRIP Compare C5TRIP
C3TRIP C6TRIP
T1CTRIP_PDPINTA
T3CTRIP_PDPINTB (1)
External Trip Inputs (1)
T4CTRIP/EVBSOC
T2CTRIP/EVASOC
(1) In the 24x/240x-compatible mode, the T1CTRIP_PDPINTA pin functions as PDPINTA and the T3CTRIP_PDPINTB pin functions as
PDPINTB.
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