MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 219
MCF5307CFT66B
Manufacturer Part Number
MCF5307CFT66B
Description
IC MPU 32BIT 66MHZ COLDF 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets
1.MCF5307AI66B.pdf
(484 pages)
2.MCF5307AI66B.pdf
(16 pages)
3.MCF5307AI66B.pdf
(2 pages)
Specifications of MCF5307CFT66B
Core Processor
Coldfire V3
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, POR, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Internal interrupts are programmed to a level and priority. Each internal interrupt has a
unique ICR. Each of the 7 interrupt levels has 5 priorities, for a total of 35 possible priority
levels, encompassing internal and external interrupts. The four external interrupt pins offer
seven possible settings at a fixed interrupt level and priority.
The IRQPAR determines these settings for external interrupt request levels. External
interrupts can be programmed to supply an autovector or execute an external interrupt
acknowledge cycle. This is described in Section 9.2.2, “Autovector Register (AVR).”
9.2.1 Interrupt Control Registers (ICR0–ICR9)
The interrupt control registers (ICR0–ICR9) provide bits for defining the interrupt level and
priority for the interrupt source assigned to the ICR, shown in Table 9-2.
Table 9-3 describes ICR fields.
7
6–5
4–2
1–0
Bits
Address
Reset
Field
R/W
AVEC
—
IL
IP
Field
AVEC
MBAR + 0x04C (ICR0); 0x04D (ICR1); 0x04E (ICR2); 0x04F (ICR3); 0x050 (ICR4); 0x051 (ICR5);
Autovector enable. Determines whether the interrupt-acknowledge cycle input (for the internal
interrupt level indicated in IL for each interrupt) requires an autovector response.
0 Interrupting source returns vector during interrupt-acknowledge cycle.
1 SIM generates autovector during interrupt acknowledge cycle.
Reserved, should be cleared.
Interrupt level. Indicates the interrupt level assigned to each interrupt input. See Table 9-4.
Interrupt priority. Indicates the interrupt priority for internal modules within the interrupt-level
assignment. See Table 9-4.
00 Lowest
01 Low
10 High
11 Highest
7
0
Figure 9-2. Interrupt Control Registers (ICR0–ICR9)
Table 9-2. Interrupt Control Registers (Continued)
6
Freescale Semiconductor, Inc.
MBAR Offset
For More Information On This Product,
Table 9-3. ICRn Field Descriptions
0x052 (ICR6); 0x053 (ICR7); 0x054 (ICR8); 0x055 (ICR9)
—
—
0x053
0x054
0x055
Chapter 9. Interrupt Controller
5
Go to: www.freescale.com
Register
ICR7
ICR8
ICR9
4
DMA1
DMA2
DMA3
Description
R/W
0_00
IL
3
Name
Interrupt Controller Registers
2
1
00
IP
0
9-3
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