Toshiba TLCS-900/L1 Series Manual page 75

(2) Port C1, C4 (RXD0, RXD1)
Port C1 and C4 are I/O port pins and can also is used as RXD input for the serial
channels. In case of use RXD0/RXD1, it is possible to logical invert by setting the
register PC<PC1, 4>.
And input data of SIO0 can be select from RXD0/PC1 pin or OPTRX0/P70 by
setting the register PCFC2<P70F2>.
Reset
Ditection control
(on bit basis)
PCCR write
S
Output latch
PC write
PC read
RXD0PC1,
RXD1
(3) Port C2 ( , SCLK0), C5 (
CTS0
Port C2 and C4 are I/O port pins and can also is used as
input/output for the serial channels. In case of use
invert by setting the register PC<PC2, 5>.
Reset
Ditection control
(on bit basis)
PCCR write
Function control
(on bit basis)
PCFC write
S
Output latch
PC write
Logical
SCLK0,
SCLK1 output
PC read
CTS0 , CTS1
SCLK0, SCLK1 input
Logical invert
S B
Selector
A
Logical invert
Figure 3.5.20 Port C1 and C4
, SCLK1)
CTS1
A S
Selector
B
invert
S B
Selector
A
Figure 3.5.21 Port C2 and C5
91C824-73
TMP91C824
PC1 (RXD0)
PC4 (RXD1)
input or SCLK
CTS
, SCLK, it is possible to logical
CTS
PC2 (SCLK0,
CTS0
PC5 (SCLK1,
CTS1
2008-02-20
)
)