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LPC1850 Datasheet(PDF) 64 Page - NXP Semiconductors |
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LPC1850 Datasheet(HTML) 64 Page - NXP Semiconductors |
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64 / 157 page  LPC1850_30_20_10 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Preliminary data sheet Rev. 3 — 6 December 2011 64 of 157 NXP Semiconductors LPC1850/30/20/10 32-bit ARM Cortex-M3 microcontroller ADC0_5/ ADC1_5 B3 x - 208 144 - [9] I; IA I ADC input channel 5. Shared between 10-bit ADC0/1. ADC0_6/ ADC1_6 A5 x - 204 142 - [9] I; IA I ADC input channel 6. Shared between 10-bit ADC0/1. ADC0_7/ ADC1_7 C5 x - 197 136 - [9] I; IA I ADC input channel 7. Shared between 10-bit ADC0/1. RTC RTC_ALARM A11 x C3 186 129 92 [12] - O RTC controlled output. RTCX1 A8 x A5 182 125 88 [9] - I Input to the RTC 32 kHz ultra-low power oscillator circuit. RTCX2 B8 x B5 183 126 89 [9] - O Output from the RTC 32 kHz ultra-low power oscillator circuit. Crystal oscillator pins XTAL1 D1 x B1 18 12 5 [9] - I Input to the oscillator circuit and internal clock generator circuits. XTAL2 E1 x C1 19 13 6 [9] - O Output from the oscillator amplifier. Power and ground pins USB0_VDDA 3V3_DRIVER F3 x D1 24 16 7 - - Separate analog 3.3 V power supply for driver. USB0 _VDDA3V3 G3 x D2 25 17 8 - - USB 3.3 V separate power supply voltage. USB0_VSSA _TERM H3 x D3 27 19 10 - - Dedicated analog ground for clean reference for termination resistors. USB0_VSSA _REF G1 x F2 31 23 14 - - Dedicated clean analog ground for generation of reference currents and voltages. VDDA B4 x B2 198 137 95 - - Analog power supply and ADC reference voltage. VBAT B10 x C5 184 127 90 - - RTC power supply: 3.3 V on this pin supplies power to the RTC. VDDREG F10, F9, L8, L7 xE4, E5, F4 135, 188, 195, 82, 33 94, 131, 59, 25 - - Main regulator power supply. Tie the VDDREG and VDDIO pins to a common power supply to ensure the same ramp-up time for both supply voltages. VPP E8 x - x x - [13] - - OTP programming voltage. Table 3. Pin description …continued LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2. Symbol Description |
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