
MB91350A Series
9
(Continued)
Pin no.
Pin name
Circuit
type
Description
122
SI2
D
UART2 data input. Since this input is used as required when UART2 is in input
operation, the port output must remain off unless intentionally turned on.
PH0
General purpose input/output port.
123
SO2
D
UART2 data outpu. This function is enabled when the UART2 data output is en-
abled.
PH1
General purpose input/output port. This function is enabled when the data output
function of UART2 is disabled.
124
SCK2
D
UART2 clock input/output pin. This function is enabled either when the UART2
clock output is enabled or when UART2 inputs the external clock signal.
PH2
General purpose input/output port. This function is enabled when UART2 is not
using the external clock signal with the UART2 clock output function disabled.
125
SI3
D
UART3 data input. Since this input is used as required when UART3 is in input
operation, the port output must remain off unless intentionally turned on.
PH3
General purpose input/output port.
126
SO3
D
UART3 data outpu. This function is enabled when the UART3 data output is en-
abled.
PH4
General purpose input/output port. This function is enabled when the data output
function of UART3 is disabled.
127
SCK3
D
UART0 clock input/output pin. This function is enabled either when the UART3
clock output is enabled or when UART3 inputs the external clock signal.
PH5
General purpose input/output port. This function is enabled when UART3 is not
using the external clock signal with the UART3 clock output function disabled.
128
SI4
D
UART4 data input. Since this input is used as required when UART4 is in input
operation, the port output must remain off unless intentionally turned on.
PG0
General purpose input/output port.
129
SO4
D
UART4 data output. This function is enabled when the UART4 data output is en-
abled.
PG1
General purpose input/output port. This function is enabled when the data output
function of UART4 is disabled.
130
SCK4
D
UART4 clock input/output pin. This function is enabled either when the UART4
clock output is enabled or when UART4 inputs the external clock signal.
PG2
General purpose input/output port. This function is enabled when UART4 is not
using the external clock signal with the UART4 clock output function disabled.
131
SI5
D
Data input for serial I/O5. Since this input is used as required when serial I/O5 is
in input operation, the port output must remain off unless intentionally turned on.
PG3
General purpose input/output port.
132
SO5
D
Data output for serial I/O5. This function is enabled when the serial I/O5 data out-
put is enabled.
PG4
General purpose input/output port. This function is enabled when the I/O5 data
output function is disabled.