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LPC2212 bảng dữ liệu(PDF) 11 Page - NXP Semiconductors |
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LPC2212 bảng dữ liệu(HTML) 11 Page - NXP Semiconductors |
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11 / 45 page ![]() LPC2212_2214_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 3 January 2008 11 of 45 NXP Semiconductors LPC2212/2214 16/32-bit ARM microcontrollers [1] SSP interface is available on LPC2212/01 and LPC2214/01 only. VSS 3, 9, 26, 38, 54, 67, 79, 93, 103, 107, 111, 128 I ground: 0 V reference VSSA 139 I analog ground; 0 V reference. This should nominally be the same voltage as VSS, but should be isolated to minimize noise and error. VSSA(PLL) 138 I PLL analog ground; 0 V reference. This should nominally be the same voltage as VSS, but should be isolated to minimize noise and error. VDD(1V8) 37, 110 I 1.8 V core power supply; this is the power supply voltage for internal circuitry. VDDA(1V8) 143 I analog 1.8 V core power supply; this is the power supply voltage for internal circuitry. This should be nominally the same voltage as VDD(1V8) but should be isolated to minimize noise and error. VDD(3V3) 2, 31, 39, 51, 57, 77, 94, 104, 112, 119 I 3.3 V pad power supply; this is the power supply voltage for the I/O ports VDDA(3V3) 14 I analog 3.3 V pad power supply; this should be nominally the same voltage as VDD(3V3) but should be isolated to minimize noise and error Table 3. Pin description …continued Symbol Pin Type Description |
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