TMP91FY42FG Datasheet, PDF (82/332 Pages) Toshiba Semiconductor – Original CMOS 16-Bit Microcontroller

TMP91FY42
3.5.11 Port A (PA0∼PA7)
Port A is an 8-bit general-purpose I/O port. I/Os can be set on a bit basis by control
register PACR. After reset, PACR is reset to 0 and port A is set to an input port. Port A0 o
A3 can also function as inputs for INT1 to INT4.
Reset
Direction
control
(on bit basis)
PACR write
S
Output latch
PA read
PA write
S
B
Selector
A
PA0∼PA3
(INT1∼INT4)
INT1_～
Rising/Falling edge
detection
INT4
PAFC<PA0F,PA1F,PA2F,PA3F>
IIMC< I1EDGE, I2EDGE, I3EDGE, I4EDGE>
Figure 3.5.31 Port A0∼A3
91FY42-80
2006-11-08