MC68340PV16VE Freescale Semiconductor, MC68340PV16VE Datasheet - Page 260
MC68340PV16VE
Manufacturer Part Number
MC68340PV16VE
Description
IC MCU 32BIT 16MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340PV16VE
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
MC68340PV16VE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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6.4.1.2 SINGLE-ADDRESS WRITE. During the single-address destination (write) cycle,
the DMA controls the transfer of data from a device to memory. The data is written to
memory selected by the address specified in the destination address register (DAR), the
destination function codes in the FCR, and the size in the CCR. The destination (write)
DMA bus cycle has timing identical to a write bus cycle. The DMA control signals ( DACK
and DONE ) are asserted in the destination (write) cycle. See Figures 6-7 and 6-8 for
timing diagrams of single-address write for external burst and cycle steal modes.
6-10
FC3–FC0
SIZ1-SIZ0
(OUTPUT)
D15–D0
DSACKx
CLKOUT
A31–A0
NOTE:
(INPUT)
.
DREQx
DONEx
DACKx
DONEx
R/W
AS
DS
1. Timing to generate more than one DMA request.
2. DACKx and DONEx (DMA control signals) are asserted in the source (read) DMA cycle.
2. DREQx must be asserted while DACKx is asserted, and meet the setup and hold times for
Figure 6-7. Single-Address Write Timing (External Burst)
more than one DMA transfer to be recognized.
S0
CPU CYCLE
Freescale Semiconductor, Inc.
S2
For More Information On This Product,
S4
MC68340 USER’S MANUAL
Go to: www.freescale.com
S0
DMA WRITE
S2
S4
S0
DMA WRITE
S2
S4
S0
CPU CYCLE
MOTOROLA
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