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TMP92CZ26A
92CZ26A-47
(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.
Table 3.4.3 Port Settings by the Boot Program
Description
Port Name
Function
Name
I/O
(a) (b) (c)
P90 TXD0 Output
No change from after reset
state (input port)
Set as TXD0 output pin
UART
P91 RXD0 Input Set as RXD0 input pin
No change from (a)
No change from (b)
−−− D+ I/O
−−− D− I/O
No change
USB
PU6 PUCTL Output
No change from after reset
state (input port)
Set as output port No change from (b)