Block Diagram - Toshiba TMPR4937 Manual

11.2 Block Diagram

IMBUSCLK
IM Bus
Interrupt I/F
Read
/Write
Reset*
SIOCLK
Baud Rate
Baud Rate
Control Register
Receive Data Receive Data
Register FIFO
DMA/INT
Control Register
DMA/INT
Status Register
Status Change
Interrupt Status
Register
Request Control
Transmit Data Transmit Data
Register FIFO
Figure 11.2.1 SIO Internal Block Diagram
11-2
Chapter 11 Serial I/O Port
Receiver
Read Receiver Shift
Buffer Register
FIFO Control
Register
Line Control
Register
Transmitter
TEMP Transmitter Shift
Buffer Register
SCLK
RTS*
RXD
CTS*
TXD
TX4937