name: HT85XXX function: Green Voice package: SKDIP28,28 manufacturer: Holtek +--()--+ NC | 1 28| NC NC | 2 27| NC PP0 | 3 26| NC PDA | 4 25| NC PP1 | 5 24| NC VDD | 6 23| OSC AUD | 7 22| VSS NC | 8 21| VSS PB7 | 9 20| PA0 PB6 |10 19| PA1 PB5 |11 18| PA2 PB4 |12 17| PA3 PB3 |13 16| PB0 PB2 |14 15| PB1 +------+ This pinout came from the Chipdir: http://www.chipdir.org/