MC9S12DB128CPVE Freescale Semiconductor, MC9S12DB128CPVE Datasheet - Page 67

• Manufacturer Part Number: MC9S12DB128CPVE
• Description: IC MCU 128K FLASH 25MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12DB128CPVE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.25 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 112-LQFP
• Controller Family/series: HCS12/S12X
• No. Of I/o's: 91
• Eeprom Memory Size: 2048Byte
• Ram Memory Size: 8192Byte
• Cpu Speed: 25MHz
• Rohs Compliant: Yes
• Package: 112LQFP
• Family Name: HCS12
• Maximum Speed: 50 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 91
• Interface Type: CAN/SCI/SPI
• On-chip Adc: 2(8-chx10-bit)
• Number Of Timers: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Freescale Semiconductor, Inc.
MC9S12DT128B Device User Guide — V01.09
2.4.4 VDDA, VSSA — Power Supply Pins for ATD and VREG
VDDA, VSSA are the power supply and ground input pins for the voltage regulator and the analog to
digital converter. It also provides the reference for the internal voltage regulator. This allows the supply
voltage to the ATD and the reference voltage to be bypassed independently.
2.4.5 VRH, VRL — ATD Reference Voltage Input Pins
VRH and VRL are the reference voltage input pins for the analog to digital converter.
2.4.6 VDDPLL, VSSPLL — Power Supply Pins for PLL
Provides operating voltage and ground for the Oscillator and the Phased-Locked Loop. This allows the
supply voltage to the Oscillator and PLL to be bypassed independently.This 2.5V voltage is generated by
the internal voltage regulator.
NOTE:
No load allowed except for bypass capacitors.
2.4.7 VREGEN — On Chip Voltage Regulator Enable
Enables the internal 5V to 2.5V voltage regulator. If this pin is tied low, VDD1,2 and VDDPLL must be
supplied externally.
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