139
6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
• PARE: Parity Error (Code Label
US_PARE
)
1 = At least one parity bit has been detected false (or a parity bit high in Multi-drop Mode) since the last “Reset Status Bits”
command.
0 = No parity bit has been detected false (or a parity bit high in Multi-drop Mode) since the last “Reset Status Bits”
command.
• TIMEOUT: Receiver Time-out (Code Label
US_TIMEOUT
)
0 = There has not been a time-out since the last “Start Time-out” command or the Time-out Register is 0.
1 = There has been a time-out since the last “Start Time-out” command.
• TXEMPTY: Transmitter Empty (Code Label
US_TXEMPTY
)
0 = There are characters in either US_THR or the Transmit Shift Register or a Break is being transmitted.
1 = There are no characters in US_THR and the Transmit Shift Register and Break is not active.
Equal to zero when the USART is disabled or at reset. Transmitter Enable command (in US_CR) sets this bit to one.
17.10.7
USART Receiver Holding Register
Name:
US_RHR
Access Type:
Read-only
Reset Value:
0
Offset:
0x18
• RXCHR: Received Character
Last character received if RXRDY is set. When number of data bits is less than 8 bits, the bits are right-aligned.
All non-significant bits read zero.
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
RXCHR
Содержание AT91FR40162S
Страница 180: ...180 6174B ATARM 07 Nov 05 AT91FR40162S Preliminary Figure 19 2 MCKO Relative to NRST NRST tD MCKO...
Страница 195: ...195 6174B ATARM 07 Nov 05 AT91FR40162S Preliminary 20 5 2 CE Controlled Figure 20 15 CE Controlled...
Страница 204: ...204 6174B ATARM 07 Nov 05 AT91FR40162S Preliminary 23 AT91FR40162S Errata There is no known errata for the AT91FR40162S...