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MOTOROLA M68040 USER’S MANUAL 5- 17
Table 5-7 Signal Summary (Continued)
Signal Name Mnemonic Type Active Three-State
Transfer Start TS Input/Output Low Yes
Transfer Type TT1, TT0 Input/Output High Yes
Test Clock TCK Input
Test Data Input TDI Input High —
Test Data Output TDO Output High Yes
Test Mode Select TMS Input High —
Test Reset TRST Input Low
User-Programmable Attributes UPA1, UPA0 Output High Yes
Power Supply VCC Power —
NOTES:
1. This signal is not available on the MC68LC040 and MC68EC040.
2. These signals are different on power-up for the MC68LC040 and MC68EC040.
3. This signal is not available on the MC68EC040.
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