MCF5216CVF66J Freescale Semiconductor, MCF5216CVF66J Datasheet - Page 157
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MCF5216CVF66J
Manufacturer Part Number
MCF5216CVF66J
Description
IC MCU 512K FLASH 256MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF521xr
Datasheet
1.MCF5216CVM66J.pdf
(766 pages)
Specifications of MCF5216CVF66J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
CAN, EBI/EMI, I²C, SPI, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
142
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-MAPBGA
Processor Series
MCF521x
Core
ColdFire V2
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
M52210DEMO, M52211EVB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5216CVF66J
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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8.4.3
The CRSR contains a bit for two of the reset sources to the CPU. A bit set to 1 indicates the last type of
reset that occurred. The CRSR is updated by the control logic when the reset is complete. Only one bit is
set at any one time in the CRSR. The register reflects the cause of the most recent reset. To clear a bit, a
logic 1 must be written to the bit location; writing a zero has no effect.
8.4.4
The core watchdog timer prevents system lockup if the software becomes trapped in a loop with no
controlled exit. The core watchdog timer can be enabled or disabled through CWCR[CWE]. By default it
is disabled. If enabled, the watchdog timer requires the periodic execution of a core watchdog servicing
sequence. If this periodic servicing action does not occur, the timer times out, resulting in a watchdog timer
interrupt. If the timer times out and the core watchdog transfer acknowledge enable bit (CWCR[CWTA])
is set, a watchdog timer interrupt is asserted. If a core watchdog timer interrupt acknowledge cycle has not
occurred after another timeout, CWT TA is asserted in an attempt to allow the interrupt acknowledge cycle
to proceed by terminating the bus cycle. The setting of CWCR[CWTAVAL] indicates that the watchdog
timer TA was asserted.
Freescale Semiconductor
Bits
6-0
7
Core Reset Status Register (CRSR)
Core Watchdog Control Register (CWCR)
Name
EXT
—
The reset status register (RSR) in the reset controller module (see
Chapter 29, “Reset Controller
sources except the core watchdog timer.
The core watchdog timer is available to provide compatibility with the
watchdog timer implemented on previous ColdFire devices. However, there
is a second watchdog timer available that has new features. See
“Watchdog Timer
Address
External reset.
1 An external device driving RSTI caused the last reset. Assertion of reset by an external device
Reserved.
Reset
causes the processor core to initiate reset exception processing. All registers are forced to their
initial state.
Field
R/W
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
Note: The reset value of EXT and CWDR depend on the last reset
source. All other bits are initialized to zero.
EXT
Figure 8-3. Core Reset Status Register (CRSR)
7
Module” for more information.
Table 8-4. CRSR Field Descriptions
6
5
Module”) provides indication of all reset
NOTE
NOTE
IPSBAR + 0x010
4
See Note
Description
R/W
—
Chapter 18,
System Control Module (SCM)
0
8-5
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