MCF51EM256CLK Freescale Semiconductor, MCF51EM256CLK Datasheet - Page 39
![IC MCU 32BIT 256KB FLASH 80LQFP](/photos/37/62/376279/mcf51em_sml.jpg)
MCF51EM256CLK
Manufacturer Part Number
MCF51EM256CLK
Description
IC MCU 32BIT 256KB FLASH 80LQFP
Manufacturer
Freescale Semiconductor
Series
MCF51EMr
Datasheets
1.MCF51EM128CLL.pdf
(2 pages)
2.MCF51EM128CLL.pdf
(54 pages)
3.MCF51EM128CLL.pdf
(636 pages)
Specifications of MCF51EM256CLK
Core Processor
Coldfire V1
Core Size
32-Bit
Speed
50MHz
Connectivity
I²C, SCI, SPI
Peripherals
LCD, LVD, PWM, WDT
Number Of I /o
56
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 12x16b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-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
Company:
Part Number:
MCF51EM256CLK
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
2.12.2
Synchronizer circuits determine the shortest input pulses that can be recognized or the fastest clock that
can be used as the optional external source to the timer counter. These synchronizers operate from the
current bus rate clock.
Freescale Semiconductor
No.
1
2
3
4
5
Timer (TPM/FTM) Module Timing
C
D
D
D
D
D
External clock frequency
External clock period
External clock high time
External clock low time
Input capture pulse width
MCF51EM256 Series ColdFire Microcontroller Data Sheet, Rev.3
TCLK
TPMCHn
TPMCHn
IRQ/KBIPx
IRQ/KBIPx
Preliminary—Subject to Change Without Notice
Function
Figure 18. Timer Input Capture Pulse
Figure 17. Timer External Clock
Figure 16. IRQ/KBIPx Timing
Table 20. TPM Input Timing
t
clkh
t
t
ICPW
ICPW
t
t
IHIL
ILIH
Symbol
t
TCLK
t
f
t
ICPW
TCLK
TCLK
t
t
clkh
clkl
t
clkl
Min
1.5
1.5
1.5
0
4
f
Max
Bus
Electrical Characteristics
—
—
—
—
/4
Unit
t
t
t
t
Hz
cyc
cyc
cyc
cyc
39