Renesas H8S/2319 series Hardware Manual page 246

Table 8-1 Port Functions
Port Description
Port 1 • 8-bit I/O port
• Schmitt-
triggered input
Port 2 • 8-bit I/O port
• Schmitt-
triggered input
Port 3 • 6-bit I/O port
• Open-drain
output capability
• Schmitt-
triggered input
(IRQ5, IRQ4)
Rev. 5.00, 12/03, page 216 of 1088
Pins
P17/TIOCB2/TCLKD
P16/TIOCA2
P15/TIOCB1/TCLKC
P14/TIOCA1
P13/TIOCD0/TCLKB/A23
P12/TIOCC0/TCLKA/A22
P11/TIOCB0/A21
P10/TIOCA0/A20
P27/TIOCB5/TMO1
P26/TIOCA5/TMO0
P25/TIOCB4/TMCI1
P24/TIOCA4/TMRI1
P23/TIOCD3/TMCI0
P22/TIOCC3/TMRI0
P21/TIOCB3
P20/TIOCA3
P35/SCK1/IRQ5
P34/SCK0/IRQ4
P33/RxD1
P32/RxD0
P31/TxD1
P30/TxD0
Mode Mode
4 5
8-bit I/O port also functioning as TPU I/O pins (TCLKA,
TCLKB, TCLKC, TCLKD, TIOCA0, TIOCB0, TIOCC0,
TIOCD0, TIOCA1, TIOCB1, TIOCA2, TIOCB2)
When DDR = 0: input port also functioning
as TPU I/O pins (TCLKA, TCLKB,
TIOCA0, TIOCB0, TIOCC0, TIOCD0)
When DDR = 1 and A23E to A20E = 1:
Address output
When DDR = 1 and A23E to A20E = 0:
DR value output
8-bit I/O port also functioning as TPU I/O pins (TIOCA3,
TIOCB3, TIOCC3, TIOCD3, TIOCA4, TIOCB4, TIOCA5,
TIOCB5), and 8-bit timer (channels 0 and 1) I/O pins
(TMRI0, TMCI0, TMO0, TMRI1, TMCI1, TMO1)
6-bit I/O port also functioning as SCI (channels 0 and 1)
I/O pins (TxD0, RxD0, SCK0, TxD1, RxD1, SCK1) and
interrupt input pins (IRQ5, IRQ4)
Mode Mode
6 * 1 7 * 1