MC68340AG16E Freescale Semiconductor, MC68340AG16E Datasheet - Page 78
MC68340AG16E
Manufacturer Part Number
MC68340AG16E
Description
IC MPU 32BIT 16MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68340FE25E.pdf
(441 pages)
Specifications of MC68340AG16E
Processor Type
M683xx 32-Bit
Speed
16MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
144-LQFP
Controller Family/series
68K
Core Size
32 Bit
No. Of I/o's
16
Cpu Speed
16MHz
No. Of Timers
2
Embedded Interface Type
UART
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Processor Series
M683xx
Core
CPU32
Maximum Clock Frequency
16 MHz
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Details
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3.4.4.2 AUTOVECTOR INTERRUPT ACKNOWLEDGE CYCLE. When the interrupting
device cannot supply a vector number, it requests an automatically generated vector
(autovector). Instead of placing a vector number on the data bus and asserting DSACK ,
the device asserts AVEC to terminate the cycle. If the DSACK
during an interrupt acknowledge cycle terminated by AVEC , the DSACK signals and
MOTOROLA
*Internal Arbitration may take between 0–2 clock cycles.
IACK7–IACK1
IRQ7–IRQ1
FC3–FC0
CLKOUT
DSACKx
D15–D8
A31–A4
D7–D0
A3–A1
SIZ0
SIZ1
R/W
DS
AS
A0
Figure 3-15. Interrupt Acknowledge Cycle Timing
S0
Freescale Semiconductor, Inc.
S2
For More Information On This Product,
CYCLE
READ
S4
MC68340 USER’S MANUAL
Go to: www.freescale.com
S0
ARBITRATION
0–2 CLOCKS*
INTERNAL
VECTOR FROM 16-BIT PORT
VECTOR FROM 8-BIT PORT
INTERRUPT LEVEL
CPU SPACE
IACK CYCLE
1 BYTE
S1
S2
S4
signals are asserted
S0
WRITE
STACK
S2
3- 29
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