h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 257

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Note:
Note:
Operating
Mode
HI12E
P93DDR
Pin Function
P92DDR
Pin Function
P91DDR
Pin Function
P93/RD/IOR
The pin function is switched as shown below according to the combination of operating mode,
the HI12E bit in SYSCR2, and the P93DDR bit.
P92/IRQ0
P91/IRQ1
* When bit IRQ0E in IER is set to 1, this pin is used as the IRQ0 input pin.
* When bit IRQ1E in IER is set to 1, this pin is used as the IRQ1 input pin.
Modes 1, 2, 3 (EXPE = 1)
RD output pin
P92 input pin
P91 input pin
—
—
0
0
IRQ0 input pin*
IRQ1 input pin *
P93 input pin
0
Rev. 3.00 Mar 21, 2006 page 203 of 788
Modes 2, 3 (EXPE = 0)
0
P93 output pin
P92 output pin
P91 output pin
1
1
1
Section 8 I/O Ports
REJ09B0300-0300
IOR input pin
—
1