Datasheet

Section 10 I/O Ports
Rev. 3.00 Mar 17, 2006 page 482 of 926
REJ09B0283-0300
• P82/(IRQ2)/ETEND2
The pin function is switched as shown below according to the combination of bit ETENDE in
EDMDR_2 of the EXDMAC, bit P82DDR, and bit ITS2 in ITSR.
Modes 1, 2, 3
*
2
(EXPE = 1), 4, 5, 6, 7 (EXPE = 1)
ETENDE 0 1
P82DDR 0 1 —
P82 input P82 output ETEND2 outputPin function
IRQ2 interrupt input
*
1
Modes 3
*
2
(EXPE = 0), 7 (EXPE = 0)
ETENDE —
P82DDR 0 1
P82 input P82 outputPin function
IRQ2 interrupt input
*
1
Notes: 1. IRQ2 input when ITS2 = 1.
2. Only in H8S/2678R Group.
• P81/(IRQ1)/EDREQ3
The pin function is switched as shown below according to the combination of bit P81DDR and
bit ITS1 in ITSR.
P81DDR 0 1
P81 input P81 output
EDREQ3 input
Pin function
IRQ1 interrupt input
*
Note: * IRQ1 input when ITS1 = 1.