Datasheet

140
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
22.4.7 PDC Transmit Next Pointer Register
Register Name: PERIPH_TNPR
Access Type: Read-write
• TXNPTR: Transmit Next Pointer Address
TXNPTR is the address of the next buffer to transmit when the current buffer is empty.
22.4.8 PDC Transmit Next Counter Register
Register Name: PERIPH_TNCR
Access Type: Read-write
• TXNCR: Transmit Next Counter Value
TXNCR is the size of the next buffer to transmit.
31 30 29 28 27 26 25 24
TXNPTR
23 22 21 20 19 18 17 16
TXNPTR
15 14 13 12 11 10 9 8
TXNPTR
76543210
TXNPTR
31 30 29 28 27 26 25 24
--
23 22 21 20 19 18 17 16
--
15 14 13 12 11 10 9 8
TXNCR
76543210
TXNCR