MC9S12E32CFU FREESCALE [Freescale Semiconductor, Inc], MC9S12E32CFU Datasheet - Page 8
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MC9S12E32CFU
Manufacturer Part Number
MC9S12E32CFU
Description
HCS12 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S12E32CFU.pdf
(606 pages)
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Part Number:
MC9S12E32CFUE
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1.5
1.6
1.7
1.8
1.9
1.10 Recommended Printed Circuit Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
8
System Clock Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Resets and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
1.4.28 PQ[6:4] / IS[2:0] — Port Q I/O Pins [6:4] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
1.4.29 PQ[3:0] / FAULT[3:0] — Port Q I/O Pins [3:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
1.4.30 PS7 / SS — Port S I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
1.4.31 PS6 / SCK — Port S I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
1.4.32 PS5 / MOSI — Port S I/O Pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
1.4.33 PS4 / MISO — Port S I/O Pin 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
1.4.34 PS3 / TXD1 — Port S I/O Pin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
1.4.35 PS2 / RXD1 — Port S I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
1.4.36 PS1 / TXD0 — Port S I/O Pin 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
1.4.37 PS0 / RXD0 — Port S I/O Pin 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
1.4.38 PT[7:4] / IOC1[7:4]— Port T I/O Pins [7:4] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
1.4.39 PT[3:0] / IOC0[7:4]— Port T I/O Pins [3:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
1.4.40 PU[7:6] — Port U I/O Pins [7:6] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
1.4.41 PU[5:4] / PW1[5:4] — Port U I/O Pins [5:4] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
1.4.42 PU[3:0] / IOC2[7:4]/PW1[3:0] — Port U I/O Pins [3:0] . . . . . . . . . . . . . . . . . . . . . . . . 71
1.4.43 VDDX,VSSX — Power & Ground Pins for I/O Drivers . . . . . . . . . . . . . . . . . . . . . . . . . 72
1.4.44 VDDR, VSSR — Power Supply Pins for I/O Drivers & for Internal Voltage Regulator 72
1.4.45 VDD1, VDD2, VSS1, VSS2 — Power Supply Pins for Internal Logic . . . . . . . . . . . . . 72
1.4.46 VDDA, VSSA — Power Supply Pins for ATD and VREG . . . . . . . . . . . . . . . . . . . . . . 72
1.4.47 VRH, VRL — ATD Reference Voltage Input Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
1.4.48 VDDPLL, VSSPLL — Power Supply Pins for PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
1.6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
1.6.2 Chip Configuration Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
1.7.1 Securing the Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
1.7.2 Operation of the Secured Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
1.7.3 Unsecuring the Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
1.8.1 Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
1.8.2 Pseudo Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
1.8.3 Wait . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
1.8.4 Run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
1.9.1 Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
1.9.2 Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
MC9S12E128 Data Sheet, Rev. 1.07
Freescale Semiconductor
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