SH7018 datasheet(295/431 Pages) RENESAS

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Section 14 Pin Function Controller (PFC)

14.1

Overview

The pin function controller (PFC) consists of registers for selecting multiplex pin functions and

their input/output direction. Table 14.1 shows the SH7018's multiplex pins. The functions of the

multiplex pins are determined by the operating mode. Table 14.2 and table 14.3 show the pin

functions in each operating mode and the initial values.

Table 14.1

Multiplex Pins

Port

Function 1

(Related Module)

Function 2

(Related Module)

Function 3

(Related Module)

Function 4

(Related Module)

Pin No.

PA15 I/O (port)

CK output (CPG)

PA14 I/O (port)

RD output (BSC)

PA12 I/O (port)

WRL output (BSC)

PA11 I/O (port)

CS1 output (BSC)

PA10 I/O (port)

CS0 output (BSC)

PA9 I/O (port)

IRQ3 (INTC)

PA8 I/O (port)

IRQ2 (INTC)

PA7 I/O (port)

CS3 output (BSC)

PA6 I/O (port)

CS2 output (BSC)

PA5 I/O (port)

SCK I/O (SCI)

PA4 I/O (port)

TXD output (SCI)

PA3 I/O (port)

RXD input (SCI)

PA2 I/O (port)

IRQ0 input (INTC)

PA1 I/O (port)

PA0 I/O (port)

PB9 I/O (port)

IRQ7 input (INTC)

A21 output (BSC)

PB8 I/O (port)

IRQ6 input (INTC)

A20 output (BSC)

WAIT input (BSC)

PB7 I/O (port)

A19 output (BSC)

PB6 I/O (port)

A18 output (BSC)

PB5 I/O (port)

PB4 I/O (port)

PB3 I/O (port)

IRQ1 input (INTC)

PB2 I/O (port)

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