MC96FR116C
128
November, 2018 Rev.1.8
11.9.2 Block Diagram
RXD
Rx
Control
Clock
Recove ry
Receive S hift Re gister
(RXSR)
Data
Recove ry
DOR/PE/FE
Checke r
UDA TA[0]
(Rx)
UDA TA[1]
(Rx)
TXD
Tx
Control
Stop bit
Gen erator
M
U
X
UPM1
Par ity
Gen erator
Transmit Shift Register
(TXSR)
UDA TA(Tx)
UPM0
I
N
T
E
R
N
A
L
B
U
S
L
I
N
E
M
U
X
LOO PS
TXC
TXCIE
UDRIE
UDRE
Empty signal
To in terr upt
block
INT_ACK
Clear
RXC
RXCIE
WAKEIE
WAKE
At S top mode
To in terr upt
block
Bau d Rate Gene rato r
UBAUD
SCLK
Low level
detecto r
Figure 11-36 The Block Diagram of UART