18F4520

Instructions (bytes) (bytes) 16K 32K 16K 32K 8192 16384 8192 16384 768 1536 768 1536 256 256 256 256 10-Bit A/D (ch) 10 10 13 13 Comp. 2 2 2 2 Timers 8/16-Bit 1/3 1/3 1/3 1/3 1 1 1 1 © 2008 Microchip Technology Inc. DS39631E-page 1 PIC18F2420/2520/4420/4520 Pin Diagrams 28-Pin SPDIP, SOIC MCLR/VPP/RE3 RA0/AN0 RA1/AN1 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RA4/T0CKI/C1OUT RA5/AN4/SS/HLVDIN/C2OUT VSS OSC1/CLKI/RA7 OSC2/CLKO/RA6 RC0/T1OSO/T13CKI RC1/T1OSI/CCP2(1) RC2/CCP1 RC3/SCK/SCL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 RB7/KBI3/PGD RB6//KBI2/PGC RB5/KBI1/PGM RB4/KBI0/AN11 RB3/AN9/CCP2(1) RB2/INT2/AN8 RB1/INT1/AN10 RB0/INT0/FLT0/AN12 VDD VSS RC7/RX/DT RC6/TX/CK RC5/SDO RC4/SDI/SDA 28-Pin QFN RA1/AN1 RA0/AN0 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RA4/T0CKI/C1OUT RA5/AN4/SS/HLVDIN/C2OUT VSS OSC1/CLKI/RA7 OSC2/CLKO/RA6 1 2 3 4 5 6 7 28 27 26 25 24 23 22 21 20 19 18 17 16 15 RB3/AN9/CCP2(1) RB2/INT2/AN8 RB1/INT1/AN10 RB0/INT0/FLT0/AN12 VDD VSS RC7/RX/DT PIC18F2420 PIC18F2520 8 9 10 11 12 13 14 40-Pin PDIP MCLR/VPP/RE3 RA0/AN0 RA1/AN1 RA2/AN2/VREF-/CVREF RA3/AN3/VREF+ RA4/T0CKI/C1OUT RA5/AN4/SS/HLVDIN/C2OUT RE0/RD/AN5 RE1/WR/AN6 RE2/CS/AN7 VDD VSS OSC1/CLKI/RA7 OSC2/CLKO/RA6 RC0/T1OSO/T13CKI RC1/T1OSI/CCP2(1) RC2/CCP1/P1A RC3/SCK/SCL RD0/PSP0 RD1/PSP1 RC0/T1OSO/T13CKI RC1/T1OSI/CCP2(1) RC2/CCP1 RC3/SCK/SCL RC4/SDI/SDA RC5/SDO RC6/TX/CK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MCLR/VPP/RE3…

Low power consumption: - < 1.6 mA typical @ 5V, 4 MHz - 25 μA typical @ 3V, 32 kHz - < 0.2 μA typical standby current © 2006 Microchip Technology Inc. DS39564C-page 1 PIC18FXX2 Pin Diagrams RA3/AN3/VREF+ RA2/AN2/VREFRA1/AN1 RA0/AN0 MCLR/VPP NC RB7/PGD RB6/PGC RB5/PGM RB4 NC 6 5 4 3 2 1 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 PLCC RA4/T0CKI RA5/AN4/SS/LVDIN RE0/RD/AN5 RE1/WR/AN6 RE2/CS/AN7 VDD VSS OSC1/CLKI OSC2/CLKO/RA6 RC0/T1OSO/T1CKI NC 7 8 9 10 11 12…

Low power consumption: - < 1.6 mA typical @ 5V, 4 MHz - 25 µA typical @ 3V, 32 kHz - < 0.2 µA typical standby current  2002 Microchip Technology Inc. DS39564B-page 1 PIC18FXX2 Pin Diagrams RA3/AN3/VREF+ RA2/AN2/VREFRA1/AN1 RA0/AN0 MCLR/VPP NC RB7/PGD RB6/PGC RB5/PGM RB4 NC 6 5 4 3 2 1 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 PLCC RA4/T0CKI RA5/AN4/SS/LVDIN RE0/RD/AN5 RE1/WR/AN6 RE2/CS/AN7 VDD VSS OSC1/CLKI OSC2/CLKO/RA6 RC0/T1OSO/T1CKI NC 7 8 9 10 11 12…

1000uF +/-20% * C55 470pF * C65 0.1uF Dummy 16V, Y5V, +80%/-20% * C26 0.1uF Title Size C Date: Document Number Rev A 22 of 28 Saturday, June 28, 2008 1 5 4 3 2 * * * R91 2KOhm +/-1% #R347#R339 * LED0 LED1 LED2 *R347 2.49K R339 2KOhm r0402h4 +/-1% 3D3V_SB FB15 1 3D3V_LAN EC16 2 AVDD_LAN_H FB13 1 2 3.6K +/-1% 3D3V_LAN 3D3V_LAN 3D3V_LAN 0.1uF 10K +/-5% Dummy U13 stuff when using AT93C56 1 2 3 4 CS SK DI DO VCC…

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PLANE) FIGURE 2 (Euclidean 3-space) One can always visualize R2 as a subset of R3 , namely as those vectors whose last component z = 0. Vectors in R2 or R3 are added by adding there corresponding components. For example, in R3 we have       r x r+x s +  y  =  s + y  . (14.1) t+z z t This definition of addition satisfies a rule called the Parallelogram Law. Parallelogram Law: The sum a + b of two vectors in R2 or R3 is the vector along the diagonal of the parallelogram with…