h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 310

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 I/O Ports
9.11
I/O ports that also function as peripheral modules, such as the external interrupts, 8-bit timers, and
MCIF, can be changed.
I/O ports that also function as the external interrupt pins are changed according to the setting of
ISSR16 and ISSR. I/O ports that also function as the 8-bit timer input pins and MCIF I/O pins are
changed according to the setting of PTCNT0. The pin name of the peripheral function is indicated
by adding ‘Ex’ at the head of the original pin name. In each peripheral function description, the
original pin name is used.
9.11.1
ISSR16 and ISSR select ports that also function as IRQ15 to IRQ0 input pins.
ISSR16
Rev. 3.00 Jan 25, 2006 page 258 of 872
REJ09B0286-0300
Bit
15
14
13
12
11
10
9
8
Bit Name
ISS15
ISS14
ISS13
ISS12
ISS11
ISS10
ISS9
ISS8
IRQ Sense Port Select Register 16 (ISSR16), IRQ Sense Port Select Register (ISSR)
Change of Peripheral Function Pins
Initial Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
0: P57/IRQ15 is selected
1: P87/ExIRQ15 is selected
0: P56/IRQ14 is selected
1: P86/ExIRQ14 is selected
0: P55/IRQ13 is selected
1: P85/ExIRQ13 is selected
0: P54/IRQ12 is selected
1: P84/ExIRQ12 is selected
0: P53/IRQ11 is selected
1: P83/ExIRQ11 is selected
0: P52/IRQ10 is selected
1: P82/ExIRQ10 is selected
0: P51/IRQ9 is selected
1: P81/ExIRQ9 is selected
0: P50/IRQ8 is selected
1: P80/ExIRQ8 is selected