S3C831B Datasheet, PDF (267/316 Pages) –

S3C831B/P831B
SERIAL I/O INTERFACE
SIO0 BLOCK DIAGRAM
CLK
3-Bit Counter
Clear
SIO0CON.7
SIO0CON.3
SIO0CON.0
SIO0 INT
IRQ2
Pending
SIO0CON.1
(Interrupt Enable)
SCK0
M
SIO0PS (EBH, bank 0)
U
fxx/2
8-bit P.S.
1/2
X
SI0
SIO0CON.4
(Edge Select)
SIO0CON.2
(Shift Enable)
SIO0CON.5
(Mode Select)
CLK _{8-Bit SIO0 Shift Buffer}
(SIO0DATA, EAH, bank 0)
SO0
SIO0CON.6
(LSB/MSB First
8
Mode Select)
Data Bus
Figure 16-5. SIO0 Functional Block Diagram
CLK
3-Bit Counter
Clear
SIO1CON.7
SIO1CON.3
SIO1CON.0
SIO1 INT
IRQ2
Pending
SIO1CON.1
(Interrupt Enable)
SCK1
M
SIO1PS (EEH, bank 0)
U
fxx/2
8-bit P.S.
1/2
X
SI1
SIO1CON.4
(Edge Select)
SIO1CON.2
(Shift Enable)
SIO1CON.5
(Mode Select)
CLK _{8-Bit SIO1 Shift Buffer}
(SIO1DATA, EDH, bank 0)
SO1
SIO1CON.6
(LSB/MSB First
8
Mode Select)
Data Bus
Figure 16-6. SIO1 Functional Block Diagram
16-5