Texas Instruments RM46 Hercules Safety MCU controlCARD TMDXRM46CNCD TMDXRM46CNCD Datenbogen
Produktcode
TMDXRM46CNCD
SPNS184A – SEPTEMBER 2012 – REVISED SEPTEMBER 2013
2.3.2.16 System Module Interface
Table 2-43. ZWT System Module Interface
Terminal
Signal
Default
Pull Type
Description
Type
Pull State
Signal Name
337
ZWT
nPORRST
W7
Input
Pull Down
100 µA
Power-on reset, cold reset
External power supply
monitor circuitry must
drive nPORRST low when
any of the supplies to the
microcontroller fall out of
thespecified range. This
terminal has a glitch filter.
See
External power supply
monitor circuitry must
drive nPORRST low when
any of the supplies to the
microcontroller fall out of
thespecified range. This
terminal has a glitch filter.
See
.
nRST
B17
I/O
Pull Up
100 µA
System reset, warm reset,
bidirectional.
The internal circuitry
indicates any reset
condition by driving nRST
low.
The external circuitry can
assert a system reset by
driving nRST low. To
ensure that an external
reset is not arbitrarily
generated, TI
recommends that an
external pull-up resistor is
connected to this terminal.
This terminal has a glitch
filter. See
bidirectional.
The internal circuitry
indicates any reset
condition by driving nRST
low.
The external circuitry can
assert a system reset by
driving nRST low. To
ensure that an external
reset is not arbitrarily
generated, TI
recommends that an
external pull-up resistor is
connected to this terminal.
This terminal has a glitch
filter. See
nERROR
B14
I/O
Pull Down
20 µA
ESM Error Signal
Indicates error of high
severity. See
Indicates error of high
severity. See
.
2.3.2.17 Clock Inputs and Outputs
Table 2-44. ZWT Clock Inputs and Outputs
Terminal
Signal
Default
Pull Type
Description
Type
Pull State
Signal Name
337
ZWT
OSCIN
K1
Input
-
None
From external
crystal/resonator, or
external clock input
crystal/resonator, or
external clock input
KELVIN_GND
L2
Input
Kelvin ground for oscillator
OSCOUT
L1
Output
To external
crystal/resonator
crystal/resonator
ECLK
A12
I/O
Pull Down
Programmable,
External prescaled clock
20 µA
output, or GIO.
GIOA[5]/EXTCLKIN/EPWM1A/N2HET1_PIN_nDIS
B5
Input
Pull Down
20 µA
External clock input #1
EXTCLKIN2
R9
Input
External clock input #2
VCCPLL
P11
1.2V
-
Dedicated core supply for
Power
PLL's
42
Device Package and Terminal Functions
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