MCF51JE256VMB Freescale Semiconductor, MCF51JE256VMB Datasheet - Page 39

• Manufacturer Part Number: MCF51JE256VMB
• Description: IC MCU 256K COLDF 81-PBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF51JEr

Specifications of MCF51JE256VMB

• 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: 48
• 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 12x12b, D/A 1x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 81-LBGA
• Core: ColdFire V1
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, SCI, I2C
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 48
• Number Of Timers: 2
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Package: 81MAPBGA
• Device Core: ColdFire
• Family Name: MCF51JE
• Maximum Speed: 50.33 MHz
• On-chip Adc: 8-chx12-bit
• On-chip Dac: 1-chx12-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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.
Freescale Semiconductor
#
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
Preliminary — Subject to Change
Function
Table 21. TPM Input Timing
t
clkh
t
t
ICPW
ICPW
t
TPMext
Symbol
t
f
t
clkl
TPMext
TPMext
t
ICPW
t
t
clkh
clkl
Preliminary Electrical Characteristics
Min
1.5
1.5
1.5
dc
4
f
Max
Bus
—
—
—
—
/4
MHz
Unit
t
t
t
t
cyc
cyc
cyc
cyc
1-3