MC68HC000CRC16 Freescale Semiconductor, MC68HC000CRC16 Datasheet - Page 59
MC68HC000CRC16
Manufacturer Part Number
MC68HC000CRC16
Description
IC MPU 32BIT 16MHZ 68-PGA
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC000IEI16.pdf
(189 pages)
Specifications of MC68HC000CRC16
Processor Type
M680x0 32-Bit
Speed
16MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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MOTOROLA
LDS/ UDS
FC2–FC0
D15–D0
A23–A1
DTACK
BGACK
CLK
R/W
AS
BR
BG
1) NEGATE BUS GRANT (BG)
1) ASSERT BUS GRANT (BG)
PROCESSOR
ACKNOWLEDGE RELEASE OF
REARBITRATE OR RESUME
GRANT BUS ARBITRATION
PROCESSOR OPERATION
BUS MASTERSHIP
PROCESSOR
Figure 5-14. 2-Wire Bus Arbitration Cycle Flowchart
Figure 5-15. 3-Wire Bus Arbitration Timing Diagram
M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL
(Not Applicable to 48-Pin MC68008 or MC68EC000)
Freescale Semiconductor, Inc.
For More Information On This Product,
DMA DEVICE
Go to: www.freescale.com
PROCESSOR
1) ASSERT BUS REQUEST (BR)
1) NEGATE BUS REQUEST (BR)
1) EXTERNAL ARBITRATION DETER-
2) NEXT BUS MASTER WAITS FOR
MINES NEXT BUS MASTER
CURRENT CYCLE TO COMPLETE
RELEASE BUS MASTERSHIP
OPERATE AS BUS MASTER
REQUESTING DEVICE
REQUEST THE BUS
DMA DEVICE
5- 13
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