Where is the gnd pin of mc68hc11a1p microcontroller ?

[biswami]

mc68hc11a1p

can anybody tell me where is the gnd pin of mc68hc11a1p microcontroller by motorola............searched the datasheet but to no avail.thanx

 

[Colbhaidh]

Re: mc68hc11a1p

Do you mean the 48 pin version ?


+--()--+
PA7/PAI/OC1 | 1 48| Vdd
PA6/OC2/OC1 | 2 47| PD5/SS
PA5/OC3/OC1 | 3 46| PD4/SCK
PA4/OC4/OC1 | 4 45| PD3/MOSI
PA3/OC5/OC1 | 5 44| PD2/MISO
PA2/IC1 | 6 43| PD1/TxD
PA1/IC2 | 7 42| PD0/RxD
PA0/IC3 | 8 41| IRQ
PB7/A15 | 9 40| XIRQ
PB6/A14 |10 39| RESET
PB5/A13 |11 38| PC7/A7/D7
PB4/A12 |12 37| PC6/A6/D6
PB3/A11 |13 36| PC5/A5/D5
PB2/A10 |14 35| PC4/A4/D4
PB1/A9 |15 34| PC3/A3/D3
PB0/A8 |16 33| PC2/A2/D2
PE0/AN0 |17 32| PC1/A1/D1
PE1/AN1 |18 31| PC0/A0/D0
PE2/AN2 |19 30| XTAL
PE3/AN3 |20 29| EXTAL
Vrl |21 28| STRB/ R/W
Vrh |22 27| E
GND |23 26| STRA/AS
MODB/Vstby |24 25| MODA/LIR
+------+

 

[biswami]

Re: mc68hc11a1p

thanx for the reply yeah.its the 48 pin version......official datasheet gives pin 23 as Vss...is Vss and GND same??

Added after 1 minutes:

has anybody worked mc68hc11a1p with servo motors??