MC9S12XDT512MAA Freescale, MC9S12XDT512MAA Datasheet - Page 563

• Manufacturer Part Number: MC9S12XDT512MAA
• Manufacturer: Freescale

Specifications of MC9S12XDT512MAA

• Cpu Family: HCS12
• Device Core Size: 16b
• Frequency (max): 40MHz
• Interface Type: CAN/I2C/SCI/SPI
• Total Internal Ram Size: 32KB
• # 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
• Program Memory Type: Flash
• Program Memory Size: 512KB
• Lead Free Status / RoHS Status: Compliant

You can calculate the selected period depending of APICLK as:
Freescale Semiconductor
Period = 2*(APIR[11:0] + 1) * 0.1 ms or period = 2*(APIR[11:0] + 1) * bus clock period
1
When trimmed within specified accuracy. See electrical specifications for details.
APICLK
Table 14-8. Selectable Autonomous Periodical Interrupt Periods
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
MC9S12XDP512 Data Sheet, Rev. 2.21
APIR[11:0]
FFD
FFE
FFD
FFE
FFF
FFF
000
001
002
003
004
005
000
001
002
003
004
005
.....
.....
8188 * bus clock period
8190 * bus clock period
8192 * bus clock period
10 * bus clock period
12 * bus clock period
2 * bus clock period
4 * bus clock period
6 * bus clock period
8 * bus clock period
Selected Period
818.8 ms
819.2 ms
819 ms
0.2 ms
0.4 ms
0.6 ms
0.8 ms
1.0 ms
1.2 ms
Chapter 14 Voltage Regulator (S12VREG3V3V5)
.....
.....
1
1
1
1
1
1
1
1
1
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