HD6432351 Datasheet, PDF (335/989 Pages) Renesas Technology Corp – The H8S/2000 CPU has an internal 32-bit architecture, is provided with sixteen 16-bit general registers and a concise

Table 9-1 Port Functions (cont)
Port Description Pins
Mode 1 Mode 2*¹ Mode 3*¹ Mode 4 Mode 5 Mode 6*¹ Mode 7*¹
Port 4 • 8-bit input
port
Port 5 • 4-bit I/O
port
Port 6 • 8-bit I/O
port
• Schmitt-
triggered
input
(P6₄ to
P6₇)
P4₇/AN7/
DA1
8-bit input port also functioning as A/D converter analog inputs (AN7 to
AN0) and D/A converter analog outputs (DA1 and DA0)
P4₆/AN6/
DA0
P4₅/AN5
P4₄/AN4
P4₃/AN3
P4₂/AN2
P4₁/AN1
P4₀/AN0
P5₃/ADTRG
P5₂
P5₁
P5₀
4-bit I/O port also functioning as A/D converter input pin (ADTRG)
P6₇/IRQ3/
CS7
P6₆/IRQ2/
CS6
P6₅/IRQ1
P6₄/IRQ0
P6₃/TEND1
P6₂/DREQ1
P6₁/TEND0/
CS5
8-bit I/O port also functioning as 8-bit I/O port also functioning as 8-bit I/O
DMA controller I/O pins
DMA controller I/O pins
port also
(DREQ0, TEND0, DREQ1,
(DREQ0, TEND0, DREQ1,
function-
TEND1) and interrupt input pins TEND1), bus control output pins ing as
(IRQ0 to IRQ3)
(CS4 to CS7), and interrupt interrupt
input pins (IRQ0 to IRQ3)
input pins
(IRQ0 to
IRQ3)
P6₀/DREQ0/
CS4
Note: 1. Only applies to the H8S/2351.
315