MC68306FC16B Freescale Semiconductor, MC68306FC16B Datasheet - Page 37
MC68306FC16B
Manufacturer Part Number
MC68306FC16B
Description
IC MPU INTEGRATED 132-PQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68306AG16B.pdf
(191 pages)
Specifications of MC68306FC16B
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-MQFP, 132-PQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
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Manufacturer:
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MOTOROLA/摩托罗拉
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strobe. When the A0 bit equals zero, UDS is asserted; when the A0 bit equals one, LDS is
asserted.
The word write cycle flowchart is shown in Figure 3-5. The byte write cycle flowchart is
shown in Figure 3-6. The word and byte write cycle timing is shown in Figure 3-7.
MOTOROLA
1) PLACE FUNCTION CODE ON FC2–FC0
2) PLACE ADDRESS ON ADDRESS BUS
3) ASSERT ADDRESS STROBE (AS)
4) SET R/W TO WRITE
5) PLACE DATA ON D15–D0
6) ASSERT UPPER DATA STROBE (UDS)
1) NEGATE UDS AND LDS
2) NEGATE AS
3) REMOVE DATA FROM D15–D0
4) SET R/W TO READ
AND LOWER DATA STROBE (LDS)
TERMINATE OUTPUT TRANSFER
ADDRESS THE DEVICE
START NEXT CYCLE
BUS MASTER
Freescale Semiconductor, Inc.
Figure 3-5. Word Write Cycle Flowchart
For More Information On This Product,
MC68306 USER'S MANUAL
Go to: www.freescale.com
1) DECODE ADDRESS
2) LATCH DATA ON D15–D0
3) ASSERT DATA TRANSFER
1) NEGATE DTACK
ACKNOWLEDGE (DTACK)
TERMINATE THE CYCLE
INPUT THE DATA
SLAVE
3- 5
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