Figure 133. transmitter in slave mode, receiver i, Figure 134. transmitter and receiver in slave mod – Intel 386 User Manual

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13-3

SYNCHRONOUS SERIAL I/O UNIT

Figure 13-3. Transmitter in Slave Mode, Receiver in Master Mode

Figure 13-4. Transmitter and Receiver in Slave Mode

Receiver

Transmitter

Baud-rate

Generator

A2436-02

SRXCLK
(pin mux)

SSIOTX
(pin mux)

SSIORX

Clock Source
(PSCLK or SERCLK)

STXCLK

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

Receiver

Transmitter

A2437-02

SSIOTX
(pin mux)

SSIORX

STXCLK

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