RM46L852 Datasheet, PDF (127/172 Pages) Texas Instruments – 16/32-Bit RISC Flash Microcontroller

RM46L852
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011
100
101
110
111
SPNS185 – SEPTEMBER 2012
Table 5-16. MIBADC1 Event Trigger Hookup (continued)
4
RTI Compare 0
Interrupt
RTI Compare 0 PINMMR30[16] =
Interrupt
1
ePWM_A1
5
N2HET1[12]
N2HET1[17]
—
N2HET1[17]
6
N2HET1[14]
N2HET1[19]
PINMMR30[24] =
1
N2HET2[1]
7
GIOB[0]
N2HET1[11] PINMMR31[0] = 1
ePWM_A2
8
GIOB[1]
N2HET2[13] PINMMR31[8] = 1 ePWM_AB
PINMMR30[16] =
0 and
PINMMR30[17] =
1
—
PINMMR30[24] =
0 and
PINMMR30[25] =
1
PINMMR31[0] = 0
and
PINMMR31[1] = 1
PINMMR31[8] = 0
and
PINMMR31[9] = 1
NOTE
If ADEVT, N2HET1 or GIOB is used as a trigger source, the connection to the MibADC1
module trigger input is made from the output side of the input buffer. This way, a trigger
condition can be generated either by configuring the function as output onto the pad (via the
mux control), or by driving the function from an external trigger source as input. If the mux
control module is used to select different functionality instead of the ADEVT, N2HET1[x] or
GIOB[x] signals, then care must be taken to disable these signals from triggering
conversions; there is no multiplexing on the input connections.
If N2HET2[5], ePWM_B, N2HET1[17], N2HET1[19], N2HET2[1], N2HET1[11], ePWM_S2,
N2HET2[13] or ePWM_AB is used to trigger the ADC the connection to the ADC is made
directly from the N2HETx or ePWM module outputs. As a result, the ADC can be triggered
without having to enable the signal from being output on a device terminal.
NOTE
For the RTI compare 0 interrupt source, the connection is made directly from the output of
the RTI module. That is, the interrupt condition can be used as a trigger source even if the
actual interrupt is not signaled to the CPU.
5.4.2.2 MIBADC2 Event Trigger Hookup
Group Source
Select, G1SRC,
G2SRC or
EVSRC
000
001
010
011
100
101
Event #
1
2
3
4
5
6
Table 5-17. MIBADC2 Event Trigger Hookup
PINMMR30[0] = 1
(default)
AD2EVT
N2HET1[8]
N2HET1[10]
RTI Compare 0
Interrupt
N2HET1[12]
N2HET1[14]
Trigger Event Signal
PINMMR30[0] = 0 and PINMMR30[1] = 1
Option A
Control for
Option A
Option B
Control for
Option B
AD1EVT
—
AD1EVT
—
N2HET2[5]
PINMMR31[16] =
1
ePWM_B
PINMMR31[16] =
0 and
PINMMR31[17] =
1
N2HET1[27]
—
N2HET1[27]
—
RTI Compare 0 PINMMR31[24] =
Interrupt
1
ePWM_A1
PINMMR31[24] =
0 and
PINMMR31[25] =
1
N2HET1[17]
—
N2HET1[17]
—
N2HET1[19] PINMMR32[0] = 1
N2HET2[1]
PINMMR32[0] = 0
and
PINMMR32[1] = 1
Copyright © 2012, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications 127
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