Table of Contents
Advertisement
(n) Ports
As shown below, the following ports have general-purpose port functions and control pin functions.
Port
I/O
Port 0
8-bit I/O
Port 1
6-bit I/O
Port 2
8-bit I/O
Port 3
8-bit I/O
Port 4
8-bit I/O
Port 5
8-bit I/O
Port 6
6-bit I/O
Port 7
8-bit input
Port 8
4-bit input
Port 9
7-bit I/O
Port 10
8-bit I/O
Port 11
4-bit I/O
(o) IEBus controller
The IEBus controller is a small-scale digital data transfer system aiming at data transfer among units.
The IEBus controller is incorporated only in the V850/SB2.
62
CHAPTER 1
INTRODUCTION
Port Function
General-
NMI, external interrupt, A/D converter trigger, RTP trigger
purpose port
Serial interface
Serial interface, timer I/O
Timer I/O, external address bus, serial interface
External address/data bus
External address bus
A/D converter analog input
External bus interface control signal I/O
Real-time output port, external address bus, key return input, IEBus
data I/O
Wait control, external address bus
User's Manual U13850EJ6V0UD
Control Function
Advertisement
Table of Contents
