Computer Hardware User Manual

Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
13-2
Figure 13-1. Transmitter and Receiver in Master Mode
Figure 13-2. Transmitter in Master Mode, Receiver in Slave Mode
Receiver
Transmitter
Baud-rate
Generator
STXCLK
SRXCLK
(pin mux)
SSIOTX
(pin mux)
SSIORX
Clock Source
(PSCLK or SERCLK)
A2434-02
S
y
s
t
e
m

B
u
s
SSTBE
(to DMA controller)
SSRBF
(to DMA controller)
SSIOINT
(to Slave interrupt
controller IR1)
SSIOCON.5 (TIE)
SSIOCON.1 (RIE)
Receiver
Transmitter
Baud-rate
Generator

A2435-02
STXCLK
SSIOTX
(pin mux)
SSIORX
Clock Source
(PSCLK or SERCLK)
SRXCLK
(pin mux)
SSTBE
(to DMA controller)
SSRBF
(to DMA controller)
SSIOINT
(to Slave interrupt
controller IR1)
SSIOCON.5 (TIE)
SSIOCON.1 (RIE)
S
y
s
t
e
m

B
u
s