5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
TARGET
RESET
LED
Reset Switch
(1.65 to 5.5v operation)
(MCU RESET)
Tri-State Buffered
RESET signal to
reset the MCU
Reset and External Clock In
Buffered RESET-out
Note:
The Reset pad on the MPC5748G is in the VDD_HV_A domain which can be run from either
3.3V or 5V (selected by the VDD_HV_A and PER_HVA jumpers)
To maintian brightness on the LED's irrespective of the voltage setting, the LED's are
powered from constant 3.3V, grounded via the reset line.
Bi Directional reset
line to/from MCU
Active reset drive (high / low)
for any periperhals that need to
be reset when MCU is in reset
Reset from
Debugger
Reset Input / Output
PORST
Connect an external LVI to pad
when supplying external 1.25V so
that PORST is asserted until
exterbal 1.25V supply is at
threshold and stable
(2.5 to 5v operation)
SMA style
Connector
External Clock In (SMA)
(0603
50V)
(0603
50V)
(0603
50V)
Reset is in the
VDD_HVA domain.
MCU-RSTx
JTAG-RSTx
RST-SWITCHx
RST-OUTx
RST-INx
SYSTEM-RSTx
PORSTx
EXT-CLK
GND
GND
GND
3V3_SR
GND
GND
PER_HVA
3V3_SR
PER_HVA
GND
JTAG-RSTx
6
MCU-RSTx
4,6
RST-OUTx
10,12
PORSTx
4
EXT-CLK
4
Drawing Title:
Size
Document Number
Rev
Date:
Sheet
of
Page Title:
Automotive Microcontroller
Applications
East Kilbride, Scotland
SCH-27897 PDF: SPF-27897
D1
MPC574xx Customer EVB Main Board
B
Friday, August 14, 2015
Reset Circuitry & External Clock In
5
16
Freescale General Business Use
Drawing Title:
Size
Document Number
Rev
Date:
Sheet
of
Page Title:
Automotive Microcontroller
Applications
East Kilbride, Scotland
SCH-27897 PDF: SPF-27897
D1
MPC574xx Customer EVB Main Board
B
Friday, August 14, 2015
Reset Circuitry & External Clock In
5
16
Freescale General Business Use
Drawing Title:
Size
Document Number
Rev
Date:
Sheet
of
Page Title:
Automotive Microcontroller
Applications
East Kilbride, Scotland
SCH-27897 PDF: SPF-27897
D1
MPC574xx Customer EVB Main Board
B
Friday, August 14, 2015
Reset Circuitry & External Clock In
5
16
Freescale General Business Use
R24
10.0K
J9
1
2
R214
270
R31
10.0K
SW1
B3WN-6002
1
2
C3
0.1UF
VCC
GND
U4A
SN74LVC2G08DCT
1
2
7
8
4
R4
10.0K
P7
CON 1 SMA
1
2
4
3
5
R217
270
TPV5
U4B
SN74LVC2G08DCT
5
6
3
C220
0.1UF
U3
ADM6315-26D2ARTZR7
GND
1
RESET
2
MR
3
VCC
4
R216
100
C224
0.1UF
R16
10.0K
DS1
YELLOW LED
A
C
TPH1
1
D1
LED RED
A
C
Summary of Contents for MPC5748G EVB
Page 35: ...Main EVB...
Page 52: ...324 BGA DC...
Page 61: ...256 BGA DC...
Page 70: ...176 QFP DC...
Page 79: ...100 QFP DC...
