MCF5407AI220 Freescale Semiconductor, MCF5407AI220 Datasheet - Page 220
MCF5407AI220
Manufacturer Part Number
MCF5407AI220
Description
IC MPU 32B 220MHZ COLDF 208-FQFP
Manufacturer
Freescale Semiconductor
Series
MCF540xr
Specifications of MCF5407AI220
Core Processor
Coldfire V4
Core Size
32-Bit
Speed
220MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
208-FQFP
Maximum Clock Frequency
220 MHz
Operating Supply Voltage
1.8 V, 3.3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
Program Memory Size
24KB
Cpu Speed
220MHz
Embedded Interface Type
I2C, UART
Digital Ic Case Style
FQFP
No. Of Pins
208
Supply Voltage Range
3.3V
Rohs Compliant
Yes
For Use With
M5407C3 - KIT EVAL FOR MCF5407 W/ETHERNET
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Programming Model
Table 6-3 describes RSR fields.
6.2.4 Software Watchdog Timer
The software watchdog timer prevents system lockup should the software become trapped
in loops with no controlled exit. The software watchdog timer can be enabled or disabled
through SYPCR[SWE]. If enabled, the watchdog timer requires the periodic execution of
a software watchdog servicing sequence. If this periodic servicing action does not occur,
the timer times out, resulting in a watchdog timer IRQ or hardware reset with RSTO driven
low, as programmed by SYPCR[SWRI].
If the timer times out and the software watchdog transfer acknowledge enable bit
(SYPCR[SWTA]) is set, a watchdog timer IRQ is asserted. Note that the software watchdog
timer IACK cycle cannot be autovectored.
If a software watchdog timer IACK cycle has not occurred after another timeout, SWT TA
is asserted in an attempt to terminate the bus cycle and allow the IACK cycle to proceed.
The setting of SYPCR[SWTAVAL] indicates that the watchdog timer TA was asserted.
Figure 6-4 shows termination of a locked bus.
6-6
Bits
4–0
7
6
5
SWTR
Name
HRST
—
—
Hardware or system reset
1 An external device driving RSTI caused the last reset. Assertion of reset by an external
Reserved, should be cleared.
Software watchdog timer reset
1 The last reset was caused by the software watchdog timer. If SYPCR[SWRI] = 1 and the
Reserved, should be cleared.
device causes the core processor to take a reset exception. All registers in internal
peripherals and the SIM are reset.
software watchdog timer times out, a hardware reset occurs.
Table 6-3. RSR Field Descriptions
MCF5407 User’s Manual
Description
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