st20-gp6 STMicroelectronics, st20-gp6 Datasheet - Page 93

• Manufacturer Part Number: st20-gp6
• Description: Gps Processor
• Manufacturer: STMicroelectronics

ASCStatus register
The ASCStatus register determines the cause of an interrupt.
Timeout register
The timeout register determines the timeout period.
ASCStatus
Bit
0
1
2
3
4
5
6
7
8
9
15:10
ASCTimeOut
Bit
7:0
15:8
Bit field
RxBufFull
TxEmpty
TxHalfEmpty
ParityError
FrameError
OverrunError
TimeoutNotEmpty Set when there’s a timeout and the rxfifo is not empty
TimeoutIdle
RxHalfFull
TxFull
Bit field
TimeOut
ASC base address + #14
Function
Timeout period in baud rate ticks
RESERVED. Write 0, will read back 0.
Function
Set when rxfifo not empty
Set when transmit shift register is empty
Set when txfifo at least half empty
Set when the rxfifo contains something received with a parity error
Set when the rxfifo contains something received with a frame error
Set when data is received and the rxfifo is full.
Set when there’s a timeout and the rxfifo is empty
Set when the rxfifo contains at least 8 characters
Set when the txfifo contains 16 characters
RESERVED. Read back 0.
Table 15.7 ASCTimeout register format
Table 15.6 ASCStatus register format
ASC base address + #1C
Read/Write
ST20-GP6
Read Only
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