28.7.7 Endpoint Data Pointer

Name: EPn.DATAPTR
Offset: 0x04 + n*0x08 [n=0..15]
Reset: -

Bit 15141312111098 
 DATAPTR[15:8] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset xxxxxxxx 
Bit 76543210 
 DATAPTR[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset xxxxxxxx 

Bits 15:0 – DATAPTR[15:0]  Endpoint Data Pointer

The 16-bit value DATAPTR contains the RAM address of the endpoint data buffer. For control endpoints, DATAPTR for the OUT endpoint is used for SETUP transactions, and DATAPTR for the IN endpoint is used for OUT and IN transactions.