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MPC5644B Datasheet(PDF) 2 Page - Freescale Semiconductor, Inc |
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MPC5644B Datasheet(HTML) 2 Page - Freescale Semiconductor, Inc |
2 / 114 page MPC5646C Microcontroller Data Sheet, Rev. 3 Preliminary—Subject to Change Without Notice Freescale Semiconductor 2 Table of Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.1 Document Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 3 Package pinouts and signal descriptions . . . . . . . . . . . . . . . . .9 3.1 Pad types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 3.2 System pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 3.3 Functional ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 4 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 4.1 Parameter classification . . . . . . . . . . . . . . . . . . . . . . . .39 4.2 NVUSRO register . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 4.2.1 NVUSRO [PAD3V5V(0)] field description . . . . .40 4.2.2 NVUSRO [PAD3V5V(1)] field description . . . . .40 4.3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . .40 4.4 Recommended operating conditions . . . . . . . . . . . . . .42 4.5 Thermal characteristics. . . . . . . . . . . . . . . . . . . . . . . . .45 4.5.1 Package thermal characteristics . . . . . . . . . . . .45 4.5.2 Power considerations. . . . . . . . . . . . . . . . . . . . .45 4.6 I/O pad electrical characteristics . . . . . . . . . . . . . . . . . .46 4.6.1 I/O pad types . . . . . . . . . . . . . . . . . . . . . . . . . . .46 4.6.2 I/O input DC characteristics . . . . . . . . . . . . . . . .46 4.6.3 I/O output DC characteristics. . . . . . . . . . . . . . .47 4.6.4 Output pin transition times . . . . . . . . . . . . . . . . .50 4.6.5 I/O pad current specification . . . . . . . . . . . . . . .51 4.7 RESET electrical characteristics. . . . . . . . . . . . . . . . . .53 4.8 Power management electrical characteristics . . . . . . . .55 4.8.1 Voltage regulator electrical characteristics . . . .55 4.8.2 VDD_BV options . . . . . . . . . . . . . . . . . . . . . . . .56 4.8.3 Voltage monitor electrical characteristics. . . . . .57 4.9 Low voltage domain power consumption . . . . . . . . . . .58 4.10 Flash memory electrical characteristics . . . . . . . . . . . .60 4.10.1 Program/Erase characteristics. . . . . . . . . . . . . .60 4.10.2 Flash memory power supply DC characteristics62 4.10.3 Flash memory start-up/switch-off timings . . . . .63 4.11 Electromagnetic compatibility (EMC) characteristics . .63 4.11.1 Designing hardened software to avoid noise problems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 4.11.2 Electromagnetic interference (EMI) . . . . . . . . . 64 4.11.3 Absolute maximum ratings (electrical sensitivity)64 4.12 Fast external crystal oscillator (4–40 MHz) electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 4.13 Slow external crystal oscillator (32 kHz) electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.14 FMPLL electrical characteristics . . . . . . . . . . . . . . . . . 70 4.15 Fast internal RC oscillator (16 MHz) electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 4.16 Slow internal RC oscillator (128 kHz) electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.17 ADC electrical characteristics . . . . . . . . . . . . . . . . . . . 72 4.17.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.18 Fast Ethernet Controller . . . . . . . . . . . . . . . . . . . . . . . 82 4.18.1 MII Receive Signal Timing (RXD[3:0], RX_DV, RX_ER, and RX_CLK) . . . . . . . . . . . . . . . . . . . 82 4.18.2 MII Transmit Signal Timing (TXD[3:0], TX_EN, TX_ER, TX_CLK) . . . . . . . . . . . . . . . . . . . . . . . 83 4.18.3 MII Async Inputs Signal Timing (CRS and COL)84 4.18.4 MII Serial Management Channel Timing (MDIO and MDC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 4.19 On-chip peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 4.19.1 Current consumption . . . . . . . . . . . . . . . . . . . . 86 4.19.2 DSPI characteristics . . . . . . . . . . . . . . . . . . . . . 88 4.19.3 Nexus characteristics . . . . . . . . . . . . . . . . . . . . 96 4.19.4 JTAG characteristics. . . . . . . . . . . . . . . . . . . . . 98 5 Package characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 5.1 Package mechanical data . . . . . . . . . . . . . . . . . . . . . 100 5.1.1 176 LQFP package mechanical drawing . . . . 100 5.1.2 208 LQFP package mechanical drawing . . . . 103 5.1.3 256 MAPBGA package mechanical drawing . 108 6 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 |
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Similar Description - MPC5644B |
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