mc68ec060 Freescale Semiconductor, Inc, mc68ec060 Datasheet - Page 177

• Manufacturer Part Number: mc68ec060
• Description: Mc68060 Superscalar 68k Microprocessor Including The Lc060 And Ec060
• Manufacturer: Freescale Semiconductor, Inc

Bus Operation
7-22
Figure 7-18. Byte, Word, and Long-Word Write Transfer Flowchart
1) SET R/W TO WRITE
2) DRIVE ADDRESS ON A31–A0
3) DRIVE UPA1–UPA0, TT1–TT0, TM2–TM0,
4) DRIVE SIZ1–SIZ0 TO BYTE, WORD, OR LONG
5) ASSERT TS FOR ONE BCLK
6) ASSERT TIP
7) ASSERT SAS IMMEDIATELY IF
8) DRIVE D31–D0 WITH APPROPRIATE DATA
1) THREE-STATE DATA BUS
2) NEGATE LOCK, LOCKE IF NECESSARY
CIOUT, TLN1–TLN0, LOCK, LOCKE, BS3–BS0
ACKNOWLEDGE TERMINATION IGNORE
STATE CAPABILITY DISABLED. ELSE,
ASSERT SAS AFTER WRITE PRIMARY
IGNORE STATE COUNTER HAS EXPIRED
1) NEGATE TIP OR START NEXT CYCLE
PROCESSOR
M68060 USER’S MANUAL
1) DECODE ADDRESS
2) LATCH DATA FROM APPROPRIATE BYTE
3) ASSERT TA FOR ONE BCLK
LANES BASED ON SIZ1–SIZ0, A1–A0, OR
BS3–BS0
SYSTEM
MOTOROLA