ISD94100 Series Technical Reference Manual
Sep 9, 2019
Page
568
of 928
Rev1.09
IS
D
9
410
0
S
ER
IE
S
T
E
C
HN
ICA
L
RE
F
E
RE
NCE
M
AN
U
AL
UART0_CLK
TX Shift Register
TX_FIFO
RX_FIFO
RX Shift Register
Baud Out
Baud Out
Status & Control
Status & Control
Baud Rate
Generator
FIFO & Line
Control and Status
Register
MODEM
Control and Status
Register
Interrupt
Control
& status
UART Interrupt
APB_BUS
Auto Baud Rate
UART0_nRTS
UART0_TXD
UART0_nCTS
UART0_RXD
Figure 6.12-2 UART Block Diagram