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PIIPM15P12D007
I27179 22 - Sep
RS~
Xtal1
PLLF1
PLLF2
FaultMem~
BrakeFault~
QEP1
QEP2
DSP reset input signal (see also WD signal)
PLL oscillator input pin
PLL filter input 1
PLL filter input 2
System general fault input
Brake Protection Interrupt signal
Square wave of SinCos1/QE1
Square wave of SinCos2/QE2
RS~ ; 93
XTAL1 ; 87
PFFL ; 9
PLLF2 ; 8
PDPINTA~ ; 6
PDPINTB~ ; 95
QEP1 ; 57
QEP2 ; 55
Forces a DSP reset if WD signal holds too long (see also EDB
electrical char.)
A 10Mhz oscillator at 100ppm frequency stability feeds this pin.
PLL filter for 40Mhz DSP clock frequency
PLL filter for 40Mhz DSP clock frequency
Activated by short circuits on output phases or brake IGBTand by DC
bus over-voltage comparator. Latched signal, see also Latch-reset
Activated by short circuits on brake
Internal Schmitt trigger, see also AC electrical characteristic
Internal Schmitt trigger, see also AC electrical characteristic
WD = high impedance, external watchdog is disabled
WD
Output signal for external watchdog
IOPC1 ; 85
WD = high or WD = low, external watchdog is enabled and WD has to
be periodically triggered by positive or negative transition. When the
supervising system fails to retrigger the ext. watchdog within the time
shown on AC electrical Characteristics, RS~ signal becomes active.
~ indicates active low signals
64kbits I 2 C EEprom (please see Microchip 24LC4 for more specifications)
Symbol
I 2 C - Clock
Signal Definition
I 2 C - Clock
DSP name ; pin N
IOPE2 ; 43
Comments
Connected to the I 2 C EEPROM
I 2 C
- Data
I 2 C
- Clock
IOPE4 ; 38
Connected to the I 2 C EEPROM
Electrical characteristic of digital inputs and outputs.
Symbol
Parameter Definition
Min.
Typ.
Max.
Units
Test
Conditions
Input: VIH
Input: VIL
Logic high,generic input voltage
Logic low, generic input voltage
2.4
0.8
V
V
Output
Type G1 (*)
Output
Type G2 (*)
Output
Type G3 (*)
VOH
VOL
VOH
VOL
VOH
VOL
2.4
2.4
2.4
0.8
0.8
0.8
V
V
V
V
V
V
Iout = 700 μ A
Iout = - 700 μΑ
Iout = 850 μΑ
Iout = - 850 μΑ
Iout = 950 μ A
Iout = -950 μΑ
(*)
Please refer to TMS320LF2406A datasheet from Texas Instruments for more specifications.
www.irf.com
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