MCF51MM256CLK Freescale Semiconductor, MCF51MM256CLK Datasheet - Page 44

• Manufacturer Part Number: MCF51MM256CLK
• Description: IC MCU 32BIT 256K FLASH 80LQFP
• Manufacturer: Freescale Semiconductor
• Series: MCF51MMr

Specifications of MCF51MM256CLK

• Core Processor: Coldfire V1
• Core Size: 32-Bit
• Speed: 50MHz
• Connectivity: CAN, EBI/EMI, I²C, SCI, SPI, USB OTG
• Peripherals: LVD, PWM, WDT
• Number Of I /o: 47
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Data Converters: A/D 8x16b, D/A 1x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-LQFP
• Processor Series: MCF51MM
• Core: ColdFire V1
• Data Bus Width: 32 bit
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Development Tools By Supplier: TWR-MCF51MM-KIT, TWR-SER, TWR-ELEV, TOWER
• Package: 80LQFP
• Device Core: ColdFire
• Family Name: MCF51MM
• Maximum Speed: 50.33 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Number Of Programmable I/os: 47
• Interface Type: I2C/SCI/SPI
• On-chip Adc: 8-chx16-bit
• On-chip Dac: 1-chx12-bit
• Number Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Electrical Characteristics
3.12.2
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.
44
Freescale reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.
#
1
2
3
4
5
TPM Timing
—
—
C
D
D
D
TPMxCLK
External clock frequency
External clock period
External clock high time
External clock low time
Input capture pulse width
TPMxCHn
TPMxCHn
Figure 14. Timer Input Capture Pulse
Figure 13. Timer External Clock
Function
Table 22. TPM Input Timing
t
clkh
t
t
ICPW
ICPW
t
TPMext
Symbol
t
f
t
clkl
TPMext
TPMext
t
ICPW
t
t
clkh
clkl
Min
1.5
1.5
1.5
dc
4
Freescale Semiconductor
f
Max
Bus
—
—
—
—
/4
MHz
Unit
t
t
t
t
cyc
cyc
cyc
cyc