Toshiba H1 Series Data Book page 50

(1) Port settings
Table 3.4.3 shows the port settings by the boot program. When designing your
application system, please also refer to Table 3.4.4 for recommended pin connections
for using the boot program.
The boot program only sets the ports shown in the table below; other ports are left as
they are after reset or at startup of the boot program.
Function
Port Name
Name
UART
P90 TXD0
P91 RXD0
−−−
USB D+
−−−
D−
PU6 PUCTL
Table 3.4.3 Port Settings by the Boot Program
I/O
(a)
No change from after reset
Output
state (input port)
Input Set as RXD0 input pin
I/O
I/O
No change from after reset
Output
state (input port)
92CZ26A-47
Description
(b)
No change from (a)
No change
Set as output port
TMP92CZ26A
(c)
Set as TXD0 output pin
No change from (b)
No change from (b)