MCF51EM256CLL Freescale Semiconductor, MCF51EM256CLL Datasheet - Page 414

IC MCU 32BIT 256KB FLASH 100LQFP

MCF51EM256CLL

Manufacturer Part Number
MCF51EM256CLL
Description
IC MCU 32BIT 256KB FLASH 100LQFP
Manufacturer
Freescale Semiconductor
Series
MCF51EMr
Datasheets

Specifications of MCF51EM256CLL

Core Processor
Coldfire V1
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SCI, SPI
Peripherals
LCD, LVD, PWM, WDT
Number Of I /o
63
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 16x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Processor Series
MCF51EM
Core
ColdFire V1
Data Bus Width
32 bit
Data Ram Size
16 KB
Interface Type
RS-232, LIN
Maximum Clock Frequency
50 MHz
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
DEMOEM
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCF51EM256CLL
Manufacturer:
FREESCALE
Quantity:
110
Part Number:
MCF51EM256CLL
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Independent Robust Real Time Clock (IRTC)
17.5.20 IRTC Tamper Time Stamp Day Register (IRTC_TTSR_DAY)
This register is a used to store the value of days counter when a tamper is detected. This register serves as
a purpose for CPU to know when a tamper had occurred. This register is has no effect on software reset.
The value shown in this register is for recent tamper detection only. Previous intrusions cannot be detected.
Writing to this register has no effect and is a read only register. In BCD mode, the value of days counter is
shown in that format.
17-30
Reset Value
Reset Value
IRTC_TTSR_DAY
Field (bcd)
Field (bcd)
Field
15–8
Field (bin)
Field (bin)
7–5
4–0
Bit Type
Bit Type
MCF51EM256 Series ColdFire Integrated Microcontroller Reference Manual, Rev. 8
Figure 17-21. IRTC Tamper Time Stamp Day Register (IRTC_TTSR_DAY)
Reserved bits. Read returns zeros. Not Writeable
Reserved bits in Binary mode. Read returns zeros. In BCD mode, these are used.
Tamper Detect Days Value. Count: 1 – 31
Bit 15
rsvd
rsvd
Bit 7
TIME STAMP DAY (tens)
Table 17-23. IRTC_TTSR_DAY Field Descriptions
Bit 14
rsvd
rsvd
Bit 6
Bit 13
rsvd
Bit 5
ro
0
Tamper Time Stamp Day Register
Bit 12
rsvd
Bit 4
ro
0
Description
Bit 11
rsvd
Bit 3
ro
0
TIME STAMP DAY
TIME STAMP DAY (units)
Bit 10
rsvd
Bit 2
ro
0
rsvd
Bit 9
Bit 1
ro
0
Freescale Semiconductor
rsvd
Bit 8
Bit 0
ro
1
Offset: 0x2C
0x2C
0x2D

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