MCF5253CVM140 Freescale Semiconductor, MCF5253CVM140 Datasheet - Page 343

• Manufacturer Part Number: MCF5253CVM140
• Description: IC MPU 32BIT 140MHZ 225-MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253CVM140

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 140MHz
• Connectivity: CAN, EBI/EMI, I²C, QSPI, UART/USART, USB OTG
• Peripherals: DMA, WDT
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Data Converters: A/D 6x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 225-MAPBGA
• Family Name: MCF5xxx
• Device Core: ColdFire V2
• Device Core Size: 32b
• Frequency (max): 140MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 1.2/3.3V
• Operating Supply Voltage (max): 1.32/3.6V
• Operating Supply Voltage (min): 1.08/3V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 225
• Package Type: MA-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Compliant

The duty cycle output on XTRIM is proportional to the value written to register XTIM. 0x0000
corresponds with duty cycle 0, 0xFFFF corresponds with 100%. 0x8000 corresponds with 50%.
17.9.3
For XTRIM, the internal circuit of the PDM modulator is used as shown in
pulse density modulator, working from the system clock divided by 16.
Freescale Semiconductor
MBAR2 + 0xA6
Address
XTRIM Internal Logic
PdmOut[15:0]
Memory-mapped
Register
Table 17-26. XTRIM Register Address and Description
Figure 17-27. PDM Modulator Used on XTRIM Output
XTRIM
1n
Name
MCF5253
CRIN
Figure 17-26. XTRIM External Circuit
16-bit
adder
MCF5253 Reference Manual, Rev. 1
16.98 or 11.2896MHz
sysclock/16
Width
1n
16
CROUT
1
2x100k
XTRIM output value
Description
100k
XTRIM
Reg
E
D
2
Figure
3
17-27. It is a first-order
Audio Interface Module (AIM)
0x8000
Reset
Value
XTRIM
Output
Access
RW
17-45