MC9S12A256 Motorola, MC9S12A256 Datasheet - Page 11
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MC9S12A256
Manufacturer Part Number
MC9S12A256
Description
MC9S12DT256 Device User Guide V03.03
Manufacturer
Motorola
Datasheet
1.MC9S12A256.pdf
(130 pages)
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List of Figures
Figure 0-1
Figure 1-1
Figure 1-2
Figure 2-1
Figure 2-2
Figure 2-3
Figure 2-4
Figure 2-5
Figure 2-6
Figure 3-1
Figure 20-1 Recommended PCB Layout for 112LQFP Colpitts Oscillator . . . . . . . . . . . . . . .84
Figure 20-2 Recommended PCB Layout for 80QFP Colpitts Oscillator . . . . . . . . . . . . . . . . .85
Figure 20-3 Recommended PCB Layout for 112LQFP Pierce Oscillator . . . . . . . . . . . . . . . .86
Figure 20-4 Recommended PCB Layout for 80QFP Pierce Oscillator . . . . . . . . . . . . . . . . . .87
Figure A-1
Figure A-2
Figure A-3
Figure A-4
Figure A-5
Figure A-6
Figure A-7
Figure A-8
Figure A-9
Figure B-1
Figure B-2
Order Partnumber Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
MC9S12DT256 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
MC9S12DT256 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Pin Assignments in 112-pin LQFP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Pin Assignments in 80-pin QFP for MC9S12DJ256 . . . . . . . . . . . . . . . . . . . . . .53
PLL Loop Filter Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Colpitts Oscillator Connections (PE7=1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Pierce Oscillator Connections (PE7=0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
External Clock Connections (PE7=0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Clock Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
ATD Accuracy Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Basic PLL functional diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Jitter Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Maximum bus clock jitter approximation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
SPI Master Timing (CPHA=0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
SPI Master Timing (CPHA=1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
SPI Slave Timing (CPHA=0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
SPI Slave Timing (CPHA=1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
General External Bus Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
112-pin LQFP mechanical dimensions (case no. 987) . . . . . . . . . . . . . . . . . . 126
80-pin QFP Mechanical Dimensions (case no. 841B) . . . . . . . . . . . . . . . . . . . 127
MC9S12DT256 Device User Guide — V03.03
11