Figure 14. Reset, Jtag, Nexus Level 3+ Support, Nexus Interface And Crystal Oscillator - STMicroelectronics SPC570SADPT100S User Manual

Figure 14. Reset, JTAG, Nexus level 3+ support, Nexus interface and crystal oscillator
Re s e t , J TAG, Ne x u s le ve l 3 + s u p p or t , Ne x u s In t e r fa c e a n d Cr y s t a l Os c illa t or
EVB-EXTAL
J13
STRIP3PM 2
EXTAL EXTAL
DEFAULT
1-2 CLOSED (MCU Crystal Input)
C36
10pF DNP
50V
0603
COG/NP0
NOT MOUNTED XT1
40MHz
NX5032GA
C37
R15
0R
10pF DNP
1/10W
50V
0603 J15
0603 2
STRIP3PM XTAL XTAL
COG/NP0
DEFAULT
(MCU Crystal Output)
NOT MOUNTED 1-2 CLOSED
GND GND
REMOVE XTAL jumper when driving EXTAL from
Oscillator Module or External Source (PLL Enabled)
Connect XTAL jumper to GND when driving EXTAL from
Oscilaltor Module or External Source (PLL Bypass Mode)
External Clock Input
3.3V_SR
J17
C39
Note - External 3.3V
STRIP2PM
100nF
ENABLE
0603
egulator MUST be
default OPEN
50V
X7R OSC1
enabled when using
1 4
EN +Vs
Note - Internal
2 3 oscillator module
OSC-MOD
GND OUT
Pull-Up on Pin 1
8MHz
7x5
J19
2
STRIP3PM EVB-EXTAL
GND
DEFAULT
1-2 CLOSED
J22 1
EXTAL-SMA
BNC-SMA-FEM-180
SMA style
Connector
R27
100R
1/10W
0603
GND
VDD_HV_IO_MAIN
Jtag interface
NOT MOUNTED
TDI
TDO
TCK
EVTI
EVTI
PORST PORST
EVTO EVTO
NOT MOUNTED
GND
Place CAPS as close to connector pins as
possible but do NOT fit cap C34 at board assembly.
GND
Nexus interface
3.3V_SR C38
NOT MOUNTED
J14 47pF DNP
50V
1 2 0603
TX0P +V
3 4 COG/NP0
TX0N TCK
5 6
gnd TMS
7 8
TX1P TDI
9 10
TX1N TDO
11 12
gnd JCOMP
13 14
TX2P EVTI1
15 16
EVTI
TX2N EVTI0 EVTI
17 18
EVTO
gnd EVTO0 EVTO
19 20
ESR0
TX3P RSTOUT ESR0
21 22
PORST
TX3N RSTIN PORST
23 24
gnd gnd
25 26
n.c. CLKP
27 28
n.c. CLKN
29 30
gnd gnd
31 32
n.c. EVTO1
33 34
n.c. n.c.
SH1 SH2
SH1 SH2
SAMTEC ASP-137973-01
GND GND
LVDS signals are not routed to motherboard.
JTAG signals are not routed to motherboard.
EVT signals have the option of adding a jumper on
daughtercard to route signals to motherboard.
RESET
VDD_HV_IO_MAIN VDD_HV_IO_MAIN
R21
560R
VDD_HV_IO_MAIN
1/10W
R23 0603
10K
1/10W
0603
LD1
Yellow
0805
R25
USER RESET LED
4K7
1/10W
0603
Vcc J20
SW1 2 3
RST-MCU
Pushbutton
RST-SW RST-SW STRIP2PM
GND U1A
default CLOSED
SO14
74LVC125AMTR
GND GND
GND
R7
0R DNP JTAG Connector
1/10W
0603
J12
1 2
TDI GND
3 4
TDO GND
5 6
TCK GND
7 8
EVTI N/C
9 10
RESET TMS TMS
11 12
VDD GND
13 14
RDY JCOMP
C34 C35 N2514-6002RB
47pF DNP 27pF
50V 50V
0603 0603
COG/NP0 COG/NP0
GND
GND
TDI, TDO, TCK, TMS are not connected to daughter card.
PORST, EVTI and EVTO are connected to daughtercard
Nexus level 3+ support
GND
TCK
TMS
TDI
TDO 1 2
N/C N/C
3 4
N/C N/C
5 6
MDO09 CLKOUT
7 8
BootCFG MDO08
9 10
PORST RSTIN EVTI EVTI
11 12
TDO TDO VTREF VDD_HV_IO_MAIN
13 14
MDO10 RDY
15 16
TCK TCK MDO7
17 18
TMS TMS MDO6
19 20
TDI TDI MDO5
21 22
JCOMP MDO4
23 24
MDO11 MDO3 MDO3
25 26
R2 ESR0 RSTOUT MDO2 MDO2
27 28
TDET/WDTC MDO1 MDO1
29 30
10K
ToolIO1 MDO0 MDO0
31 32
1/10W VBatt EVTO EVTO
33 34
0603 VBatt MCKO MCKO
GND 35 36
ToolIO0 MSEO1
37 38
VDD_HV_IO_MAIN VSTBY MSEO0 MSEO
J7
5767054-1
VDD_HV_IO_MAIN
VDD_HV_IO_MAIN
R22
ESR0
560R
1/10W
Vcc J18 0603
R24
5 6 VDD_HV_IO_MAIN
ESR0
220R STRIP2PM
U1B
GND
1/10W default CLOSED
SO14 LD2
0603
74LVC125AMTR Red
U3 0805
1 74V1G08STR MCU RESET LED
VCC
GND GND
4
2
GND
SOT23-5L
VDD_HV_IO_MAIN
GND
Vcc J21
R26
9 8
PORST
220R STRIP2PM
GND U1C
1/10W default CLOSED
SO14
0603
74LVC125AMTR
PORST
GND GND