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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