name: HT99C410_SKDIP28 function: Cordless Phone Controller package: SKDIP28,28 manufacturer: Holtek +--()--+ PB5 | 1 28| PB6 PB4 | 2 27| PB7 PA3 | 3 26| PA4 PA2 | 4 25| PA5 PA1 | 5 24| PA6 PA0 | 6 23| PA7 PB1 | 7 22| OSC2 PB0 | 8 21| OSC1 VSS | 9 20| VDD INTB |10 19| RESB TMR0 |11 18| PD2 NC |12 17| PD1 NC |13 16| PD0 NC |14 15| AOUT +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: HT99C410_SOP28 function: Cordless Phone Controller package: SOP28,28 manufacturer: Holtek +--()--+ PA3 | 1 28| PA4 PA2 | 2 27| PA5 PA1 | 3 26| PA6 PA0 | 4 25| PA7 PB3 | 5 24| OSC2 PB2 | 6 23| OSC1 PB1 | 7 22| VDD PB0 | 8 21| RESB PD6 | 9 20| TMR1 PD5 |10 19| PD3 PD4 |11 18| PD2 VSS |12 17| PD1 INTB |13 16| PD0 TMR0 |14 15| AOUT +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: HT99C410_SSOP48 function: Cordless Phone Controller package: SSOP48,48 manufacturer: Holtek +--()--+ PB5 | 1 48| PB6 PB4 | 2 47| PB7 NC | 3 46| NC NC | 4 45| NC PA3 | 5 44| PA4 PA2 | 6 43| PA5 PA1 | 7 42| PA6 PA0 | 8 41| PA7 PB3 | 9 40| OSC2 PB2 |10 39| OSC1 PB1 |11 38| NC PB0 |12 37| NC PD7 |13 36| NC PD6 |14 35| VDD PD5 |15 34| AVDD PD4 |16 33| RESB VSS |17 32| TMR1 AVSS |18 31| PD3 INTB |19 30| PD2 TMR0 |20 29| NC NC |21 28| NC NC |22 27| PD1 NC |23 26| PD0 NC |24 25| AOUT +------+ This pinout came from the Chipdir: http://www.chipdir.org/ name: HT99C410_DIP40 function: Cordless Phone Controller package: DIP40,40 manufacturer: Holtek +--()--+ PB5 | 1 40| PB6 PB4 | 2 39| PB7 PA3 | 3 38| PA4 PA2 | 4 37| PA5 PA1 | 5 36| PA6 PA0 | 6 35| PA7 PB3 | 7 34| OSC2 PB2 | 8 33| OSC1 PB1 | 9 32| VDD PB0 |10 31| AVDD PD7 |11 30| RESB PD6 |12 29| TMR1 PD5 |13 28| PD3 PD4 |14 27| PD2 VSS |15 26| PD1 AVSS |16 25| PD0 INTB |17 24| AOUT TMR0 |18 23| NC NC |19 22| NC NC |20 21| NC +------+ This pinout came from the Chipdir: http://www.chipdir.org/