MC68340PV16VE Freescale Semiconductor, MC68340PV16VE Datasheet - Page 85
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68340PV16VE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
- Current page: 85 of 441
- Download datasheet (3Mb)
3.5.2 Retry Operation
When both BERR and HALT are asserted by an external device during a bus cycle, the
MC68340 enters the retry sequence shown in Figure 3-19. A delayed retry, which is
similar to the delayed BERR signal described previously, can also occur (see Figure 3-20).
The MC68340 terminates the bus cycle, places the control signals in their inactive state,
and does not begin another bus cycle until the BERR and HALT signals are negated by
external logic. After a synchronization delay, the MC68340 retries the previous cycle using
the same access information (address, function code, size, etc.). BERR should be negated
before S2 of the retried cycle to ensure correct operation of the retried cycle.
3-36
FC3–FC0
CLKOUT
DSACKx
A31–A0
D15–D0
BERR
R/W
DS
AS
Figure 3-18. Late Bus Error with DSACK
S0
Freescale Semiconductor, Inc.
For More Information On This Product,
S2
CYCLE
WRITE
MC68340 USER’S MANUAL
Go to: www.freescale.com
S4
PROCESSING
INTERNAL
S0
S2
STACK
WRITE
S4
MOTOROLA
Related parts for MC68340PV16VE
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet:
Part Number:
Description:
Manufacturer:
Freescale Semiconductor, Inc
Datasheet: