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LPC2212FBD144 Datasheet(PDF) 10 Page - NXP Semiconductors |
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LPC2212FBD144 Datasheet(HTML) 10 Page - NXP Semiconductors |
10 / 40 page Philips Semiconductors LPC2212/LPC2214 16/32-bit ARM microcontrollers with external memory interface Product data Rev. 02 — 23 December 2004 10 of 40 9397 750 13149 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. P3.28 28 O BLS3 — Low-active Byte Lane Select signal (Bank 3). I AIN7 — A/D converter, input 7. This analog input is always connected to its pin. P3.29 27 O BLS2 — Low-active Byte Lane Select signal (Bank 2). I AIN6 — A/D converter, input 6. This analog input is always connected to its pin. P3.30 97 O BLS1 — Low-active Byte Lane Select signal (Bank 1). P3.31 96 O BLS0 — Low-active Byte Lane Select signal (Bank 0). NC 22 Pin not connected. RESET 135 I External Reset input: A LOW on this pin resets the device, causing I/O ports and peripherals to take on their default states, and processor execution to begin at address 0. TTL with hysteresis, 5 V tolerant. XTAL1 142 I Input to the oscillator circuit and internal clock generator circuits. XTAL2 141 O Output from the oscillator amplifier. 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. V18 37, 110 I 1.8 V Core Power Supply: This is the power supply voltage for internal circuitry. V18A 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 V18 but should be isolated to minimize noise and error. V3 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. V3A 14 I Analog 3.3 V Pad Power Supply: This should be nominally the same voltage as V3 but should be isolated to minimize noise and error. Table 3: Pin description…continued Symbol Pin Type Description |
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