MC9S12XDT256MAA Freescale Semiconductor, MC9S12XDT256MAA Datasheet - Page 109

• Manufacturer Part Number: MC9S12XDT256MAA
• Description: IC MCU 256K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT256MAA

• Core Processor: HCS12X
• Core Size: 16-Bit
• Speed: 80MHz
• Connectivity: CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 59
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 80-QFP
• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 16KB
• # I/os (max): 59
• Number Of Timers - General Purpose: 12
• Operating Supply Voltage (typ): 2.5/5V
• Operating Supply Voltage (max): 2.75/5.5V
• Operating Supply Voltage (min): 2.35/3.15V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 59
• Number Of Timers: 12
• Operating Supply Voltage: 0 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: EVB9S12XDP512E
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.4.3.3.1
Wake-up from pseudo stop mode is the same as wake-up from wait mode. There are also four different
scenarios for the CRG to restart the MCU from pseudo stop mode:
If the MCU gets an external reset or COP reset during pseudo stop mode active, the CRG asynchronously
restores all configuration bits in the register space to its default settings and starts the reset generator. After
completing the reset sequence processing begins by fetching the normal or COP reset vector. pseudo stop
mode is left and the MCU is in run mode again.
If the clock monitor is enabled (CME = 1), the MCU is able to leave pseudo stop mode when loss of
oscillator/external clock is detected by a clock monitor fail. If the SCME bit is not asserted the CRG
generates a clock monitor fail reset (CMRESET). The CRG’s behavior for CMRESET is the same
compared to external reset, but another reset vector is fetched after completion of the reset sequence. If the
SCME bit is asserted the CRG generates a SCM interrupt if enabled (SCMIE = 1). After generating the
interrupt the CRG enters self-clock mode and starts the clock quality checker
Quality
SCMIE=0, the SCMIF flag will be asserted but the CRG will not wake-up from pseudo stop mode.
If any other interrupt source (e.g., RTI) triggers exit from pseudo stop mode, the MCU immediately
continues with normal operation. Because the PLL has been powered-down during stop mode, the
PLLSEL bit is cleared and the MCU runs on OSCCLK after leaving stop mode. The software must set the
PLLSEL bit again, in order to switch system and core clocks to the PLLCLK.
Table 2-13
Freescale Semiconductor
•
•
•
•
External reset
Clock monitor fail
COP reset
Wake-up interrupt
Checker”). Then the MCU continues with normal operation. If the SCM interrupt is blocked by
summarizes the outcome of a clock loss while in pseudo stop mode.
Wake-up from Pseudo Stop Mode (PSTP=1)
MC9S12XDP512 Data Sheet, Rev. 2.21
Chapter 2 Clocks and Reset Generator (S12CRGV6)
(Section 2.4.1.4, “Clock
109