52-pin PLCC socket pins 52-pin PLCC socket pins FROM TOP FROM BOTTOM 7 5 3 1 51 49 47 47 49 51 1 3 5 7 8 9 6 4 2 52 50 48 46 46 48 50 52 2 4 6 9 8 10 11 45 44 44 45 11 10 12 13 43 42 42 43 13 12 14 15 41 40 40 41 15 14 16 17 39 38 38 39 17 16 18 19 37 36 36 37 19 18 20 22 24 26 28 30 32 35 34 34 35 32 30 28 26 24 22 20 21 23 25 27 29 31 33 33 31 29 27 25 23 21 6811 pins FROM TOP! EXTAL E MODA GND VRL AN3 AN2 /LIR PE3 PE2 XTAL AD0 R/W AS MODB VRH AN7 AN6 AN5 PC0 STRB VSTBY PE6 PE6 PE5 AD1 AD2 AN1 AN4 PC1 PC2 PE1 PE4 AD3 AD4 AN0 A8 PC3 PC4 PE0 PB0 AD5 AD6 A9 A10 PC5 PC6 PB1 PB2 AD7 /RSET A11 A12 PC7 PB3 PB4 /XIRQ /IRQ A13 A14 PB5 PB6 RXD MISO SCLK VCC OC2 OC4 IC1 A15 IC3 PD0 PD2 PD4 PA6 PA4 PA2 PB7 PA0 TXD MOSI /SS PAI OC3 OC5 IC2 PD1 PD3 PD5 PA7 PA5 PA3 PA1 6811 pins FROM BOTTOM! AN2 AN3 VRL GND MODA E EXTAL PE2 PE3 /LIR AN5 AN6 AN7 VRH MODB AS R/W AD0 XTAL PE5 PE6 PE6 VSTBY STRB PC0 AN4 AN1 AD2 AD1 PE4 PE1 PC2 PC1 A8 AN0 AD4 AD3 PB0 PE0 PC4 PC3 A10 A9 AD6 AD5 PB2 PB1 PC6 PC5 A12 A11 /RSET AD7 PB4 PB3 PC7 A14 A13 /IRQ /XIRQ PB6 PB5 IC3 A15 IC1 OC4 OC2 VCC SCLK MISO RXD PA0 PB7 PA2 PA4 PA6 PD4 PD2 PD0 IC2 OC5 OC3 PAI /SS MOSI TXD PA1 PA3 PA5 PA7 PD5 PD3 PD1