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MMC2107 - Freescale Semiconductor

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Table of Contents<br />

<strong>Freescale</strong> <strong>Semiconductor</strong>, Inc.<br />

nc...<br />

<strong>Freescale</strong> <strong>Semiconductor</strong>, I<br />

19.3.5 Emulation Mode Chip Selects (CSE[1:0]) . . . . . . . . . . . . .506<br />

19.3.6 Transfer Code (TC[2:0]) . . . . . . . . . . . . . . . . . . . . . . . . . . .506<br />

19.3.7 Read/Write (R/W). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .507<br />

19.3.8 Address Bus (A[22:0]) . . . . . . . . . . . . . . . . . . . . . . . . . . . .507<br />

19.3.9 Enable Byte (EB[3:0]). . . . . . . . . . . . . . . . . . . . . . . . . . . . .507<br />

19.3.10 Chip Selects (CS[3:0]) . . . . . . . . . . . . . . . . . . . . . . . . . . . .507<br />

19.3.11 Output Enable (OE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .507<br />

19.3.12 Transfer Size (TSIZ[1:0]) . . . . . . . . . . . . . . . . . . . . . . . . . .507<br />

19.3.13 Processor Status (PSTAT[3:0]) . . . . . . . . . . . . . . . . . . . . .507<br />

19.4 Memory Map and Registers . . . . . . . . . . . . . . . . . . . . . . . . . .508<br />

19.5 Operand Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .508<br />

19.6 Enable Byte Pins (EB[3:0]) . . . . . . . . . . . . . . . . . . . . . . . . . . .510<br />

19.7 Bus Master Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .510<br />

19.7.1 Read Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .511<br />

19.7.1.1 State 1 (X1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .512<br />

19.7.1.2 Optional Wait States (X2W) . . . . . . . . . . . . . . . . . . . . . .512<br />

19.7.1.3 State 2 (X2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .512<br />

19.7.2 Write Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .513<br />

19.7.2.1 State 1 (X1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .514<br />

19.7.2.2 Optional Wait States (X2W) . . . . . . . . . . . . . . . . . . . . . .514<br />

19.7.2.3 State 2 (X2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .514<br />

19.8 Bus Exception Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .516<br />

19.8.1 Transfer Error Termination . . . . . . . . . . . . . . . . . . . . . . . . .516<br />

19.8.2 Transfer Abort Termination . . . . . . . . . . . . . . . . . . . . . . . .516<br />

19.9 Emulation Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .516<br />

19.9.1 Emulation Chip-Selects (CSE[1:0]) . . . . . . . . . . . . . . . . . .516<br />

19.9.2 Internal Data Transfer Display (Show Cycles) . . . . . . . . . .517<br />

19.9.3 Show Strobe (SHS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .518<br />

19.10 Bus Monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .519<br />

19.11 Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .520<br />

Section 20. Chip Select Module<br />

20.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .521<br />

20.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .521<br />

20.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .522<br />

Technical Data <strong>MMC2107</strong> – Rev. 2.0<br />

24 Table of Contents MOTOROLA<br />

For More Information On This Product,<br />

Go to: www.freescale.com

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