Renesas H8S/2633 Series Hardware Manual page 492

Table 10B-1 Port Functions
Port Description
Port 1 • 8-bit I/O
P17/TIOCB2/TCLKD
port
P16/TIOCA2//IRQ1
• Schmitt-
P15/TIOCB1/TCLKC
triggered
P14/TIOCA1/IRQ0
input (P16,
P13/TIOCD0/TCLKB/
P14)
A23
P12/TIOCC0/TCLKA/
A22
P11/TIOCB0/A21
P10/TIOCA0/A20
Port 3 • 8-bit I/O
P37/TxD4
port
P36/RxD4
• Open-drain
P35/SCK1/SCK4/IRQ5
output
P34 /RxD1
capability
P33 /TxD1
• Schmitt-
P32 /SCK0/IRQ4
triggered
input (P35,
P31 /RxD0
P32)
P30 /TxD0
Port 4 • 8-bit input
P47 /AN7
port
P46 /AN6
P45 /AN5
P44 /AN4
P43 /AN3
P42 /AN2
P41 /AN1
P40/AN0
Port 7 • 8-bit I/O
P77/TxD3
port
P76/RxD3
P75/SCK3
P74/MRES
P73/CS7
P72/CS6
P71/CS5
P70/CS4
438
Pins Mode 4
8-bit I/O port also functioning as TPU I/O pins
(TCLKA, TCLKB, TCLKC, TCLKD, TIOCA0,
TIOCB0, TIOCC0, TIOCD0, TIOCA1, TIOCB1,
TIOCA2, TIOCB2), interrupt input pins (IRQ0,
IRQ1), and address outputs (A20 to A23)
8-bit I/O port also functioning as SCI (channel 0, 1, and 4) I/O
pins (TxD0, RxD0, SCK0, TxD1, RxD1, SCK1, TxD4, RxD4,
SCK4) and interrupt input pins (IRQ4, IRQ5)
8-bit input port also functioning as A/D converter analog inputs
(AN7 to AN0)
8-bit I/O port also functioning as bus control
output pins (CS4 to CS7), SCI I/O pins (SCK3,
RxD3, TxD3), and the manual reset input pin
(MRES)
Mode 5 Mode 6 Mode 7
8-bit I/O port
also function-
ing as TPU I/O
pins (TCLKA,
TCLKB,
TCLKC,
TCLKD,
TIOCA0,
TIOCB0,
TIOCC0,
TIOCD0,
TIOCA1,
TIOCB1,
TIOCA2,
TIOCB2) and
interrupt input
pins (IRQ0,
IRQ1)
8-bit I/O port
also function-
ing as SCI I/O
pins (SCK3,
RxD3, TxD3)
and the
manual reset
input pin
(MRES)