name: AT90S4414 function: 8-bit AVR Microcontroller package: PDIP40,40 manufacturer: Atmel +--()--+ pb0(T0) | 1 40| Vcc pb1(T1) | 2 39| pa0(ad0) pb2(Ain0) | 3 38| pa1(ad1) pb3(Ain1) | 4 37| pa2(ad2) pb4(ss) | 5 36| pa3(ad3) pb5(mosi) | 6 35| pa4(ad4) pb6(miso) | 7 34| pa5(ad5) pb7(sck) | 8 33| pa6(ad6) reset | 9 32| pa7(ad7) pd0(rxd) |10 31| icp pd1(txd) |11 30| ale pd2(int0) |12 29| oc1b pd3(int1) |13 28| pc7(a15) pd4 |14 27| pc6(a14) pd5(oc1a) |15 26| pc5(a13) pd6(wr) |16 25| pc4(a12) pd7(rd) |17 24| pc3(a11) xtal2 |18 23| pc2(a10) xtal1 |19 22| pc1(a9) gnd |20 21| pc0(a8) +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: AT90S4414_TQFP44 function: 8-bit AVR Microcontroller package: TQFP44,44 manufacturer: Atmel +---------------+--------------+--------------+---------------+ | 1 - pb5(mosi)| 12 - pd6(wr) | 23 - pc5(a13)| 34 - pa3(ad3) | | 2 - pb6(miso)| 13 - pd7(rd) | 24 - pc6(a14)| 35 - pa2(ad2) | | 3 - pb7(sck) | 14 - xtal2 | 25 - pc7(a15)| 36 - pa1(ad1) | | 4 - reset | 15 - xtal1 | 26 - oc1b | 37 - pa0(ad0) | | 5 - pd0(rxd) | 16 - gnd | 27 - ale | 38 - Vcc | | 6 - nc | 17 - nc | 28 - nc | 39 - nc | | 7 - pd1(txd) | 18 - pc0(a8) | 29 - icp | 40 - pb0(t0) | | 8 - pd2(int0)| 19 - pc1(a9) | 30 - pa7(ad7)| 41 - pb1(t1) | | 9 - pd3(int1)| 20 - pc2(a10)| 31 - pa6(ad6)| 42 - pb2(ain0)| | 10 - pd4 | 21 - pc3(a11)| 32 - pa5(ad5)| 43 - pb3(ain1)| | 11 - pd5(oc1a)| 22 - pc4(a12)| 33 - pa4(ad4)| 44 - pb4(ss) | +---------------+--------------+--------------+---------------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: AT90S4414_PLCC44 function: 8-bit AVR Microcontroller package: PLCC44,44 manufacturer: Atmel +---------------+---------------+--------------+--------------+ | 1 - nc | 12 - nc | 23 - nc | 34 - nc | | 2 - pb0(T0) | 13 - pd1(txd) | 24 - pc0(a8) | 35 - icp | | 3 - pb1(T1) | 14 - pd2(int0)| 25 - pc1(a9) | 36 - pa7(ad7)| | 4 - pb2(Ain0)| 15 - pd3(int1)| 26 - pc2(a10)| 37 - pa6(ad6)| | 5 - pb3(Ain1)| 16 - pd4 | 27 - pc3(a11)| 38 - pa5(ad5)| | 6 - pb4(ss) | 17 - pd5(oc1a)| 28 - pc4(a12)| 39 - pa4(ad4)| | 7 - pb5(mosi)| 18 - pd6(wr) | 29 - pc5(a13)| 40 - pa3(ad3)| | 8 - pb6(miso)| 19 - pd7(rd) | 30 - pc6(a14)| 41 - pa2(ad2)| | 9 - pb7(sck) | 20 - xtal2 | 31 - pc7(a15)| 42 - pa1(ad1)| | 10 - reset | 21 - xtal1 | 32 - oc1b | 43 - pa0(ad0)| | 11 - pd0(rxd) | 22 - gnd | 33 - ale | 44 - Vcc | +---------------+---------------+--------------+--------------+ This pinout came from the Chipdir: http://www.chipdir.org/