mcf5274l Freescale Semiconductor, Inc, mcf5274l Datasheet - Page 31

• Manufacturer Part Number: mcf5274l
• Description: Mcf5275 Integrated Microprocessor Family Hardware
• Manufacturer: Freescale Semiconductor, Inc

4.15 Test Signals
Table 18
4.16 Power and Ground Pins
The pins described in
for adequate current capability. All power supply pins must have adequate bypass capacitance for
high-frequency noise suppression.
Freescale Semiconductor
Test
PLL Test
Signal Name
describes test signals.
MCF5275 Integrated Microprocessor Family Hardware Specification, Rev. 1.1
Table 19
TEST
PLL_TEST
PST[3:0]
Abbreviation
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
provide system power and ground to the chip. Multiple pins are provided
Continue execution
Begin execution of one instruction
Reserved
Entry into user mode
Begin execution of PULSE and WDDATA instructions
Begin execution of taken branch
Reserved
Begin execution of RTE instruction
Begin one-byte transfer on DDATA
Begin two-byte transfer on DDATA
Begin three-byte transfer on DDATA
Begin four-byte transfer on DDATA
Exception processing
Reserved
Processor is stopped
Processor is halted
Reserved for factory testing only and in normal modes of operation
should be connected to VSS to prevent unintentional activation of test
functions.
Reserved for factory testing only and should be treated as a
no-connect (NC).
Table 17. Processor Status
Table 18. Test Signals
Preliminary
Processor Status
Function
Signal Descriptions
I/O
I
I
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