Motorola CPCI-6115 Wartungshandbuch Seite 65

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Boundary Scan JTAG Header Controls, LEDs, and Connectors
CPCI-6115 CompactPCI Single Board Computer Installation and Use (6806800A68D)
63
3.5.10 Boundary Scan JTAG Header
This 2x7 0.1" header is used to provide boundary scan testing of all onboard JTAG devices in
a single scan chain. The pin assignments for this header are as follows:
J16 pin 12 is grounded in the JTAG test cable. When the cable is attached, the CPU_BSCAN_L
signal is grounded, which automatically configures the boundary scan chain to include the CPU.
3.5.11 Processor JTAG/COP Header
The processor has a 2x8 0.1" JTAG/COP header for use with third party MPC745x JTAG/COP
controllers. The pin assignments for this header are as follows:
With no JTAG cable attached to J16, the CPU JTAG signals are routed to J17 as shown.
51 PMCIO51 PMCIO52 52
53 PMCIO53 PMCIO54 54
55 PMCIO55 PMCIO56 56
57 PMCIO57 PMCIO58 58
59 PMCIO59 PMCIO60 60
61 PMCIO61 PMCIO62 62
63 PMCIO63 PMCIO64 64
Table 3-11 PMC Connector Pin Assignments , J14/J24 (continued)
Pin J14/J24 Pin
Table 3-12 Boundary Scan JTAG Header Pin Assignments, J16
Pin Signal Pin
1TRST_L GND 2
3TDO GND 4
5TDI GND 6
7TMS GND 8
9TCK GND 10
11 NC CPU_BSCAN_L 12
13 AUTOWR_L GND 14
Table 3-13 Processor JTAG/COP Header Pin Assignments, J17
Pin Signal Pin Signal
1CPUTDO2QACK_L
3 CPUTDI 4 CPUTRST_L
5QREQ_L6+1.8 V
7 CPUTCK 8 CHKSTPI_L
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