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MAC7200 Datasheet(PDF) 947 Page - Freescale Semiconductor, Inc |
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MAC7200 Datasheet(HTML) 947 Page - Freescale Semiconductor, Inc |
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947 / 976 page  Oscillator Characteristics MAC7200 Microcontroller Family Reference Manual, Rev. 2 Freescale Semiconductor 869 A.7.1 Output Loads The on-chip voltage regulator is intended to supply the internal logic and oscillator circuits. No external DC load is allowed. Capacitive loads are specified in Table A-13. Capacitors with X7R dielectricum are required. A.8 Oscillator Characteristics The MAC7200 family features an internal automatic level control (ALC) oscillator with an External Clock Mode. The selection of ALC Mode or External Clock Mode on the oscillator depends on the level of the G4 D Output Voltage PLL VDDPLL 3.0 3.3 3.6 V G5 C Low Voltage Reset 1.5V2 Assert Level De-assert Level VLVR1V5A VLVR1V5D 1.35 1.35 — — — — V G6 C Low Voltage Reset 3.3V3 Assert Level De-assert Level VLVR3V3A VLVR3V3D 3.0 3.0 — — — — V G7 C Low Voltage Reset PLL4 Assert Level De-assert Level VLVRPLLA VLVRPLLD 3.0 3.0 — — — — V G8 C Power On Reset Assert Level De-assert Level VPORA VPORD 0.5 0.5 — — 0.9 0.9 V V G9 C Power On Reset 5V Assert Level De-assert Level VPOR5VA VPOR5VD 2.2 2.2 — — 4.0 4.0 V V 1. 220 nF to 470 nF bypass capacitors should be used on 1.5V and 3.3V outputs. 2. Monitors VDD15 3. Monitors VDD33 4. Monitors VDDPLL Table A-13. VREG Recommended Load Capacitances Rating Symbol Min Typ Max Unit Load Capacitance on each VDD1.5 pins 1 1. Refer to the package information for the specific number of VDD1.5 pins on various packages. CLVDD15 220 — 660 nF Load Capacitance on each VDD3.3 pins 2 2. Refer to the package information for the specific number of VDD3.3 pins on various packages. CLVDD33 220 470 660 nF Load Capacitance on VDDPLL pin CLVDDPLL 220 470 660 nF Load Capacitance on VDD5 pin CLVDD5 220 470 660 nF Ramp rate for the supply voltage VDD5Trise 2.5 — 100 V/ms Table A-12. VREG Operating Conditions (Continued) Num C Characteristic Symbol Min Typical Max Unit |
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