Toshiba H1 Series, TLCS-900, TMP92CZ26AXBG TMP92CZ26A , 92CZ26A-172, 3.7.22 Port W (PW0 to PW7)

TMP92CZ26A
92CZ26A-172
3.7.22 Port W (PW0 to PW7)
Port W0 to W7 are 8-bit general-purpose I/O ports. Each bit can be set individually for
input or output. Resetting sets port W0 to W7 to input port and output latch to “0”.
Above settin g is used the control register PWCR and function register PWFC.
Figure 3.7.61 Port W0 to W7
Selector
A
B
S
PW0 to PW7
PW read
Direction
control
(
on bit basis
)
PWCR write
Function
control
(on bit basis)
PWFC write
R
Output latch
PW write
Reset
Internal data bus