MC9S12XDT512MAA Freescale Semiconductor, MC9S12XDT512MAA Datasheet - Page 1051

• Manufacturer Part Number: MC9S12XDT512MAA
• Description: IC MCU 512K FLASH 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12XDT512MAA

• 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: 512KB (512K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 20K 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
• Processor Series: S12XD
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 32 KB
• Interface Type: CAN/I2C/SCI/SPI
• 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
• On-chip Adc: 8-ch x 10-bit
• Package: 80PQFP
• Family Name: HCS12
• Maximum Speed: 40 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Freescale Semiconductor
TRY TO DECREASE Tbus
Figure 25-17. Determination Procedure for PRDIV8 and EDIV Bits
EDIV[5:0]=PRDCLK[MHz]*(5+Tbus[ s])–1
EECLK = (PRDCLK)/(1+EDIV[5:0])
ALL COMMANDS IMPOSSIBLE
yes
1/EECLK[MHz] + Tbus[ms] > 5
PRDCLK = oscillator_clock/8
PRDCLK[MHz]*(5+Tbus[ s])
MC9S12XDP512 Data Sheet, Rev. 2.21
EECLK > 0.15 MHz
PRDIV8 = 0 (reset)
oscillator_clock
EDIV[5:0] > 4?
Tbus < 1 s?
>12.8 MHz?
PRDIV8 = 1
an integer?
START
AND
?
yes
yes
yes
no
no
no
no
PRDCLK = oscillator_clock
no
EDIV[5:0]=INT(PRDCLK[MHz]*(5+Tbus[ s]))
yes
Chapter 25 2 Kbyte EEPROM Module (S12XEETX2KV1)
ALL COMMANDS IMPOSSIBLE
END
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