HD64F2145 Datasheet, PDF (230/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

• P93/5'/,25
The pin function is switched as shown below according to the combination of operating mode,
the HI12E bit in SYSCR2, and the P93DDR bit.
Operating Mode
HI12E
P93DDR
Pin Function
Modes 1, 2, 3
(EXPE = 1)
—
—
5' output pin
Modes 2, 3 (EXPE = 0)
0
0
1
P93 input pin P93 output pin
1
—
,25 input pin
• P92/,543
P92DDR
0
1
Pin Function
P92 input pin
P92 output pin
,543 input pin*
Note:* When bit IRQ0E in IER is set to 1, this pin is used as the ,543 input pin.
• P91/,544
P91DDR
0
1
Pin Function
P91 input pin
P91 output pin
,544 input pin*
Note:* When bit IRQ1E in IER is set to 1, this pin is used as the ,544 input pin.
Rev. 2.0, 08/02, page 190 of 788