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1745D–ATARM–04-Nov-05
AT91M55800A
18.10.12 USART Receive Pointer Register
Name: US_RPR
Access Type: Read/Write
Reset State: 0
Offset: 0x30
• RXPTR: Receive Pointer
RXPTR must be loaded with the address of the receive buffer.
18.10.13 USART Receive Counter Register
Name: US_RCR
Access Type: Read/Write
Reset State: 0
Offset: 0x34
• RXCTR: Receive Counter
RXCTR must be loaded with the size of the receive buffer.
0 = Stop Peripheral Data Transfer dedicated to the receiver.
1 - 65535 = Start Peripheral Data transfer if RXRDY is active.
31 30 29 28 27 26 25 24
RXPTR
23 22 21 20 19 18 17 16
RXPTR
15 14 13 12 11 10 9 8
RXPTR
7 6 5 4 3 2 1 0
RXPTR
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
RXCTR
7 6 5 4 3 2 1 0
RXCTR