Renesas H8S/2100 Series Hardware Manual page 46

6-bit single-chip microcomputer

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Table of Contents

Section 1 Overview

Symbol TFP-144V BP-176V TLP-145V I/O

Rev. 1.00 May 09, 2008 Page 20 of 954

REJ09B0462-0100

Name and Function

Nonmaskable interrupt request

These pins request a maskable

To which pin an IRQ interrupt is

input can be selected from the

IRQn and ExIRQn pins.

(n = 15 to 6)

Interface pins for emulator

Reset by holding the ETRST pin

to low level regardless of the H-

UDI activation. At this time, the

ETRST pin should be held low

level for 20 clocks of ETCK.

Then, to activate the H-UDI, the

ETRST pin should be set to high

level and the pins ETCK, ETMS,

and ETDI should be set

appropriately. In the normal

operation without activating the

H-UDI, pins ETCK, ETMS, ETDI,

and ETDO should be pulled up to

high level. The ETRST pin is

pulled up inside the chip.

Output Waveform output pins with output

compare function

Counter event input and count

reset input pins