Rainbow Electronics AT75C310 - Manual (Page 73)

AT75C310
73
USART Transmitter Time-guard Register
Name: US_TTGR
Access Type: Read/write
• TG: Time-guard Value
Time-guard duration = TG x Bit period
USART Receive Pointer Register
Name: US_RPR
Access Type: Read/write
• RXPTR: Receive Pointer
RXPTR must be loaded with the address of the receive buffer.
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– – – – – – – –
7 6 5 4 3 2 1 0
TG
TG
0 Disables the TX Time-guard function.
1 - 255
TXD is inactive high after the transmission of
each character for the time-guard duration.
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