mcf51jf128 Freescale Semiconductor, Inc, mcf51jf128 Datasheet - Page 26

• Manufacturer Part Number: mcf51jf128
• Description: Mcf51jf128 Reference Manual
• Manufacturer: Freescale Semiconductor, Inc

Section Number
24.3
24.4
24.5
26
24.2.3
24.2.4
24.2.5
Memory Map/Register Definition.................................................................................................................................548
24.3.1
24.3.2
24.3.3
Functional Description..................................................................................................................................................553
24.4.1
24.4.2
24.4.3
24.4.4
24.4.5
24.4.6
24.4.7
24.4.8
Initialization/Application Information..........................................................................................................................576
24.5.1
24.5.2
Output Enable (FB_OE).................................................................................................................................547
Read/Write (FB_R/W)...................................................................................................................................548
Transfer Start/Address Latch Enable (FB_TS/FB_ALE)..............................................................................548
Chip select address register (FB_CSARn).....................................................................................................549
Chip select mask register (FB_CSMRn)........................................................................................................550
Chip select control register (FB_CSCRn)......................................................................................................551
Chip-Select Operation....................................................................................................................................553
24.4.1.1
24.4.1.2
Data Transfer Operation.................................................................................................................................554
Data Byte Alignment and Physical Connections...........................................................................................555
Address/Data Bus Multiplexing.....................................................................................................................556
Bus Cycle Execution......................................................................................................................................556
24.4.5.1
Mini-FlexBus Timing Examples....................................................................................................................558
24.4.6.1
24.4.6.2
24.4.6.3
24.4.6.4
Extended Transfer Start/Address Latch Enable.............................................................................................574
Bus Errors......................................................................................................................................................575
Initializing a Chip Select................................................................................................................................576
Reconfiguring a Chip Select..........................................................................................................................576
General Chip-Select Operation..................................................................................................553
8- and 16-Bit Port Sizing...........................................................................................................554
Data Transfer Cycle States.........................................................................................................557
Basic Read Bus Cycle................................................................................................................558
Basic Write Bus Cycle...............................................................................................................560
Bus Cycle Sizing........................................................................................................................561
Timing Variations......................................................................................................................565
MCF51JF128 Reference Manual, Rev. 2, 03/2011
Preliminary
Title
Freescale Semiconductor, Inc.
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