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56F827 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc |
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56F827 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc |
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10 / 60 page  56F827 Technical Data, Rev. 12 10 Freescale Semiconductor 2.2 Signals and Package Information All inputs have a weak internal pull-up circuit associated with them. These pull-up circuits are always enabled. Exceptions: 1. When a pin is owned by GPIO, then the pull-up may be disabled under software control. 2. TCK has a weak pull-down circuit always active. Table 2-2 56F827 Signal and Package Information for the 128 Pin LQFP Signal Name Pin No. Type Description VDD 116 VDD Power—These pins provide power to the internal structures of the chip, and are generally connected to a 2.5V supply. VDD 81 VDD VDD 19 VDD VDDA 62 VDDA Analog Power—This pin is a dedicated power pin for the analog portion of the chip and should be connected to a low-noise 3.3V supply. VDDA_ADC 69 VDDA Analog Power—This pin is a dedicated power pin for the analog portion of the ADC module and should be connected to a low-noise 3.3V supply. VDDIO 113 VDDIO Power In/Out—These pins provide power to the I/O structures of the chip, and are generally connected to a 3.3V supply. VDDIO 82 VDDIO VDDIO 56 VDDIO VDDIO 29 VDDIO VDDIO 4VDDIO VSS 115 VSS GND—These pins provide grounding for the internal structures of the chip. All should be attached to VSS. VSS 80 VSS VSS 20 VSS VSSA 61 VSSA Analog Ground—This pin supplies an analog ground. VSSA_ADC 63 VSSA Analog Ground—This pin is a dedicated ground pin for the analog portion of the ADC module. VSSIO 114 VSSIO GND In/Out—These pins provide grounding for the I/O ring on the chip. All should be attached to VSS. VSSIO 83 VSSIO VSSIO 58 VSSIO VSSIO 30 VSSIO VSSIO 5VSSIO TCS 43 Input/Output (Schmitt) TCS—This pin is reserved for factory use. It must be tied to VSS for normal use. In block diagrams, this pin is considered an additional VSS. |
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